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DESCRIPTION JP2010278821

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DESCRIPTION JP2010278821
PROBLEM TO BE SOLVED: To automatically set an initial value of a send level (a gain of an audio
signal supplied) from each input channel to each mixing bus in a mixing console. SOLUTION: A
category such as monaural, stereo or surround is set for each input channel and each mixing bus.
When the user performs a predetermined operation, send level initial value table 400 is preset
based on the category and signal type (L, C, R, etc.) of each input channel and each mixing bus.
The default send level is automatically set. [Selected figure] Figure 12
ミキシングコンソールおよびプログラム
[0001]
The present invention relates to a mixing console and program suitable for use in adjusting an
audio signal in a concert or the like.
[0002]
In mixers used for concerts etc., audio signals of multiple systems input from a microphone etc.
are assigned to input channels, and these audio signals are subjected to adjustment of sound
quality, volume etc. Be done.
The audio signal output from the input channel adjustment unit is output at an arbitrary level to
any one of a plurality of buses called "MIX buses", and the supplied audio signals are mixed in
these MIX buses. Here, the gain of the audio signal output from the input channel adjustment
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unit to the MIX bus is referred to as "send level". The audio signal mixed in the MIX bus is again
adjusted in sound quality, volume, etc. at a point called "MIX output channel", and the result is
emitted through an amplifier and a speaker. Here, assuming that the number of input channels is
“128” and the number of MIX buses is “96”, the number of send levels to be adjusted is
“128 × 96” at the maximum. The send levels were individually set by the user using knobs
and other controls. Such a mixer is disclosed, for example, in Non-Patent Document 1.
[0003]
"PM5D / PM5D-RH V2 DSP5D Instruction Manual" Yamaha Corporation, 2004
[0004]
By the way, although the send level from each input channel to each MIX bus can be arbitrarily
set by the user, in a normal operation state, a certain tendency may be seen in the send level.
For example, "6" audio signals constituting a 5.1 surround system are assigned to a "6" input
channel, and a 5.1 surround system is configured for a "6" MIX bus Suppose that the signal of "6"
system is allocated. In the 5.1 surround system, "6" system of L (left front), C (center), R (right
front), Ls (left surround), Rs (right surround), and LFE (low-pass sound effect) The signal of In
this example, send levels from the respective input channels to MIX buses having the same signal
type (L, C, R, etc.) (for example, L (left front) input channels to L (left front) MIX bus send levels )
Tends to be set to a value near “0” dB. Also, the send level from each input channel to the MIX
bus with different signal types tends to be set to “−「 ”. Therefore, if the send level from each
input channel to each MIX bus is set in advance to a high value that tends to be adopted in a
normal operation state, the required user operation is reduced (for example, the rotation angle of
the knob Can be made smaller). The present invention has been made in view of the abovedescribed circumstances, and according to the use of each input channel and MIX bus, high
operability can be achieved by automatically setting the initial value of the send level applied to
these. The purpose is to provide a mixing console and program that can be realized.
[0005]
In order to solve the above problems, the present invention is characterized by comprising the
following configuration. In addition, the inside of a parenthesis is an illustration. In the mixing
console according to claim 1, the mixing buses (116-1 to 116-96) are provided by appropriately
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supplying the audio signals of the plurality of input channels to the plurality of mixing buses
(116-1 to 116-96). A send on / off state indicating whether the audio signals of the respective
input channels are respectively supplied to the respective mixing buses (116-1 to 116-96) with
respect to the mixing engine (1300) for mixing these audio signals. And an input channel
management table capable of classifying the plurality of input channels into a plurality of groups
and rewriting the classification state in the mixing console (1100) for instructing the send level
which is the gain when the audio signal is supplied. Input channel management table for storing
300) Means (300, 1116), each group being in one of the following categories: monaural
consisting of one input channel, stereo consisting of two input channels, and surround consisting
of three or more input channels The input channel management table storage means (300, 1116)
and the plurality of mixing buses (116-1 to 116-96), which belong to the group, are classified
into a plurality of groups, and the mixing bus management capable of rewriting the classification
state A mixing bus management table storage means (200, 1116) for storing a table (200),
wherein each group is a monaural consisting of one mixing bus, a stereo consisting of two mixing
buses, and three or more mixings. Any of the categories in the surround consisting of a bus
Mixing bus management table storage means (200, 1116), and extraction means (CPU 1114,
SP10) for extracting a combination satisfying a predetermined condition among the
combinations comprising the respective input channels and the respective mixing buses. An
initial value setting unit (CPU 1114, SP20) for setting the send level to the mixing bus in the
input channel to a predetermined initial value for the extracted combination. Furthermore, in the
configuration according to claim 2, in the mixing console according to claim 1, the two input
channels forming the category of the stereo consist of input channels of the left and right signal
types, The second mixing bus forming the category of stereo consists of mixing buses of the left
and right signal types, and the initial value setting means (CPU 1114 and SP20) are both stereo
for the category of the input channel and the mixing bus. For the combination of (1), the send
level from the left input channel to the left mixing bus and the send level from the right input
channel to the right mixing bus are larger than “0” in initial value in linear scale (“ 1)) and
the left mixing channel to the right mixing bus Wherein the the send level and right input
channels is to set the send level to the left of the mixing bus to "0" in the linear scale.
Furthermore, in a configuration according to claim 3, in the mixing console according to claim 2,
three or more input channels forming the category of the surround at least have input channels
of signal types of left, right and center. The three or more mixing buses forming the category of
the surround at least include mixing buses of the left, right and center signal types, and the initial
value setting means (CPU 1114, SP20) includes the input channels and For combinations where
the categories of mixing buses are both surround, the send level from the left input channel to
the left mixing bus, the send level from the right input channel to the right mixing bus, and the
center input channel Send levels to the central mixing bus Set to an initial value (“1”) greater
than “0” at near scale, send levels from left input channel to right and center mixing bus, and
right input channel to left and center mixing bus It is characterized in that the send level and the
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send level from the center input channel to the left and right mixing buses are set to “0” in a
linear scale. According to a fourth aspect of the present invention, in the mixing console
according to the third aspect, in the initial value setting means (CPU 1114, SP20), the category of
the input channel is stereo and the category of the mixing bus is surround. For combinations that
have a send level from the left input channel to the left and center mixing bus and a send level
from the right input channel to the right and center mixing bus in a linear scale greater than "0"
Set to the initial value (“1”, “X21”, “X22”), and the send level from the left input channel
to the right mixing bus and the send level from the right input channel to the left mixing bus are
linear It is characterized in that the scale is set to "0". Furthermore, in the configuration
according to claim 5, in the mixing console according to claim 4, in the initial value setting means
(CPU 1114, SP20), the category of the input channel is surround and the category of the mixing
bus is stereo. For combinations that are: send level from left input channel to left mixing bus,
send level from right input channel to right mixing bus, and center input channel to right and left
mixing bus Set the send level and the initial value ("X01", "X02", "X03") larger than "0" on the
linear scale, and send levels from the left input channel to the right mixing bus and the right
input Set the send level from the channel to the left mixing bus to “0” with linear scale
Characterized in that it is intended to.
According to a sixth aspect of the present invention, in the mixing console according to any one
of the first to fifth aspects, the input channel management table storage means (300, 1116) is in
an automatic assignment mode for each of the input channels. The mixing bus management table
storage means (200, 1116) stores the on / off state of the automatic assignment mode for each
mixing bus, and the initial value setting When the means (CPU 1114, SP 20) detects a
predetermined operation (initialization operation) by the user, an initial value of the send level is
set for a combination in which both the input channel and the automatic assignment mode of the
mixing bus are on. In addition to setting, send on / off state related to the combination is off
Characterized in that it is intended to set. Further, in the program according to claim 7, the audio
signals of the plurality of input channels are appropriately supplied to the plurality of mixing
buses (116-1 to 116-96) to appropriately select the mixing buses (116-1 to 116-). Send on / off
indicating whether the audio signals of the respective input channels are respectively supplied to
the respective mixing buses (116-1 to 116-96) to the mixing engine (1300) for mixing the audio
signals in 96). A program applied to a mixing console (1100) for instructing a state and a send
level which is a gain in the case of supplying the audio signal, the mixing console (1100)
comprising a processing device (1114), Classify multiple input channels into multiple groups and
rewrite classification status Input channel management table storage means (300, 1116) for
storing possible input channel management tables (300), wherein each group is a monaural one
input channel and a stereo two input channels; And input channel management table storage
means (300, 1116) belonging to any category of surround consisting of three or more input
channels, and the plurality of mixing buses (116-1 to 116-96) A mixing bus management table
storage means (200, 1116) for classifying into a plurality of groups and storing a mixing bus
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management table (200) capable of rewriting the classification state, wherein each group is one
mixing bus From the second mixing bus A mixing bus management table storage means (200,
1116), which belongs to any of the following categories: stereo, and surround consisting of three
or more mixing buses; An extraction process (SP10) for extracting a combination satisfying a
predetermined condition from among the combinations comprising a mixing bus, and for the
extracted combination, the send level to the mixing bus in the input channel is set to a
predetermined initial value And causing the processing unit (1114) to execute an initial value
setting process (CPU 1114, SP20).
[0006]
Thus, according to the present invention, a combination satisfying a predetermined condition is
extracted from among the combinations consisting of each input channel and each mixing bus,
and the extracted combination is extracted to the corresponding mixing bus in the corresponding
input channel. Since the send level is automatically set to a predetermined initial value, high
operability can be realized.
[0007]
1 is a block diagram of an acoustic system according to an embodiment of the present invention.
FIG. 11 is a block diagram of a console 1100 and an engine 1300. FIG. 16 is a block diagram of
an algorithm implemented in an engine 1300 or the like. It is a block diagram of the principal
part of this algorithm. FIG. 11 is a plan view of the console 1100. FIG. 6 is a diagram showing the
contents of a MIX bus management table 200. It is a figure which shows the content of the input
channel management table 300. FIG. FIG. 6 is a diagram showing the configuration of a MIX bus
setting window 250. It is a figure which shows the structure of the input channel setting window
350. FIG. It is a flowchart of the initialization process in a present Example. It is operation |
movement explanatory drawing of a present Example. FIG. 6 is a diagram showing the contents
of a send level initial value table 400. FIG. 18 is a diagram showing the contents of a modification
of send level initial value table 400.
[0008]
1.
Hardware Configuration of Embodiment Hereinafter, the configuration of an acoustic system
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according to an embodiment of the present invention will be described with reference to FIG. In
FIG. 1, reference numeral 1000 denotes an IP network, which transmits digital voice and various
control signals as IP packets. An engine 1300 receives audio signals of a plurality of channels
through the IP network 1000, performs processing such as equalization, mixing, and effects on
these audio signals, and IP packets of audio signals of the plurality of channels as a result thereof
And output through the IP network 1000. A microphone controller 1400 converts voice signals
input from the plurality of microphones 1402 into IP packets, and outputs the IP packets to the
engine 1300 via the IP network 1000. An amplifier controller 1500 converts an IP packet
received from the engine 1300 via the IP network 1000 into a digital signal of a predetermined
format, and supplies the digital signal to a plurality of amplifiers 1502.
[0009]
The amplifier 1502 converts the supplied digital signal into an analog signal and amplifies it, and
emits the sound through the plurality of speakers 1504 connected to each. An audio device 1600
includes, for example, a hard disk recorder. The other voice device 1600 inputs / outputs voice
signals as IP packets from / to the engine 1300 via the IP network 1000. A main console 1100
operated by the user instructs the engine 1300, the microphone controller 1400, the amplifier
controller 1500, and the like to set various parameters. That is, when an operation for instructing
setting of parameters is performed in the main console 1100, the content is supplied to the
engine 1300 as an IP packet of a control signal and is reflected on the parameters in the engine
1300. A sub console 1200 is connected to the main console 1100 as needed. Although only one
sub-console 1200 is illustrated in the example of FIG. 1, up to four sub-consoles 1200 can be
connected to the main console 1100.
[0010]
Next, the detailed configuration of the main console 1100 will be described with reference to FIG.
In the figure, reference numeral 1110 denotes a panel display group, which comprises a dot
matrix display, an LED and the like provided on the operation panel. Reference numeral 1112
denotes a panel operator group, which includes buttons, knobs and the like provided on the
operation panel. A CPU 1114 controls other components via the CPU bus 1120 based on a
program stored in the memory 1116 (ROM and RAM). Note that the RAM of the memory 1116 is
provided with a non-volatile area which holds stored contents even when the power is turned off.
An electric fader group 1122 is provided to adjust the signal level of each input / output channel
or the like based on the user's operation. Furthermore, when an operation command is supplied
via the CPU bus 1120, the electric fader group 1122 is configured to automatically set the
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operation position.
[0011]
An audio I / O unit 1124 converts an analog audio signal into a digital audio signal when it is
input, and outputs the digital audio signal via the audio bus 1130 and a digital audio signal
supplied via the audio bus 1130 Is converted to an analog audio signal and output to the outside.
A DSP (digital signal processor) 1126 performs equalizing processing and the like on the audio
signal supplied via the audio bus 1130. In the audio system of this embodiment, most of the
audio signal processing is performed by the engine 1300, but small-scale audio signal processing
and input / output such as talkback and monitor are also performed by the main console 1100. .
The audio I / O unit 1124 and the DSP 1126 are for performing such audio signal processing
and input / output.
[0012]
A network I / O unit 1128 converts a control signal supplied via the audio bus 1130 and an
audio signal supplied via the CPU bus 1120 into an IP packet and outputs the IP packet to the IP
network 1000. It converts the IP packet received from the above into a control signal or an audio
signal, and outputs it via the CPU bus 1120 or the audio bus 1130. A console I / O unit 1118
inputs and outputs control signals and audio signals to and from the sub console 1200.
Reference numeral 1132 denotes another I / O unit, which inputs / outputs data to / from other
devices such as a general-purpose personal computer.
[0013]
Next, the detailed configuration of the engine 1300 will be described with reference to FIG. In the
figure, reference numeral 1310 denotes a panel display group, and 1312 denotes a panel
operator group for performing simple setting and display on the engine 1300. 1314 is a CPU,
1316 is a memory (ROM and RAM), 1326 is a DSP, 1328 is a network I / O unit, 1330 is an
audio bus, 1332 is another I / O unit, and the component 1114 of the main console 1100 is It is
configured substantially the same as 1116, 1126, 1128, 1130, 1132. However, the DSP 1326 is
larger than the DSP 1126 because it is responsible for most of the mixing and equalizing
functions of the acoustic system. Note that the engine 1300 does not itself adjust the parameter
values of the DSP 1326, and the values of the parameters in the DSP 1326 are adjusted based on
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the values of the signal processing parameters received from the main console 1100.
[0014]
2.
Mixing Algorithm Configuration Next, the contents of an algorithm implemented in the engine
1300 or the like will be described with reference to FIG. The algorithm is realized by a program
set in the DSP 1326, and the program is loaded from the memory 1316 or the like to the DSP
1326 under the control of the CPU 1314. In addition, various parameters (for example, switch on
/ off state, gain of amplification unit, etc.) in the algorithm are control signals supplied from the
main console 1100 to the network I / O unit 1328 via the IP network 1000. Are set by the CPU
1314.
[0015]
In FIG. 3, reference numeral 102 denotes an analog input unit, which receives a microphone level
or line level analog voice signal, converts it into a digital voice signal, and supplies it to the
engine 1300 via the IP network 1000. Reference numeral 104 denotes a digital input unit, which
receives a digital voice signal, converts it into a format for the engine 1300, and supplies it to the
engine 1300 via the IP network 1000. The analog input unit 102 and the digital input unit 104
are realized by the microphone controller 1400 and the other audio device 1600 in FIG. An
analog output unit 128 converts a digital audio signal supplied from the engine 1300 via the IP
network 1000 into an analog audio signal and outputs the analog audio signal to the outside. A
digital output unit 130 converts a digital audio signal of an internal format supplied from the
engine 1300 via the IP network 1000 into a digital audio signal of a predetermined format (AES
/ EBU, ADAT, TASCAM or the like) and outputs the digital audio signal. The analog output unit
128 and the digital output unit 130 are realized by the amplifier controller 1500 and the other
audio device 1600.
[0016]
The configuration described above is realized by hardware separate from the engine 1300, but
the configuration other than the above is realized by a program (including a microprogram for
the DSP 1326) operating in the engine 1300. An input channel adjustment unit 112 adjusts the
volume and sound quality of the input channel of the “128” channel based on the operation of
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the electric faders of the consoles 1100 and 1200 and other operation elements. Reference
numeral 110 denotes a stereo input channel adjustment unit, which performs adjustment of
volume, tone quality, and the like on up to four stereo input channels. Here, it is assumed that the
stereo audio signal of the “1” system is composed of the audio signals of the “2” system on
the left and right.
[0017]
Reference numeral 114 denotes an effect return unit, which adjusts the volume, sound quality,
and the like of the audio signal of the “4” channel. The effect return unit 114 is mainly
assigned to the audio signal subjected to the effect processing. Reference numeral 108 denotes
an input patch unit, which is a digital audio signal supplied from a plurality of input ports such as
the input units 102 and 104, and an arbitrary input channel of the stereo input channel
adjustment unit 110, the input channel adjustment unit 112, and the effect return unit 114.
Assign to Reference numeral 106 denotes a built-in effector unit, which comprises effectors of up
to "8" units, performs effect processing such as reverberation, delay, modulation, etc. on the
supplied audio signal, and the result is an effect via the input patch unit 108 It supplies to return
part 114 grade.
[0018]
Reference numeral 116 denotes a MIX bus group, which is composed of a "96" system MIX bus.
In addition, when pointing out these MIX buses individually, it describes like "MIX bus 116-n" (1
<= n <= 96). In each MIX bus, among digital audio signals of each input channel, each stereo
input channel, and each effect return (hereinafter referred to as "input channel etc."), one
supplied to the MIX bus is mixed. In each input channel etc., it can be set for each MIX bus
whether or not the audio signal is supplied to the MIX bus, and when supplied, the send level or
fade mode (pre-fade / post-fade) for each MIX bus Etc. can also be set independently for each
system. Reference numeral 118 denotes a stereo bus, which is composed of a "one" stereo bus.
The configuration of the stereo bus is similar to that of the above-mentioned MIX bus.
[0019]
A stereo output channel section 120 performs level adjustment and sound quality adjustment of
the mixing result in the stereo bus. A MIX output channel unit 122 performs level adjustment
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and sound quality adjustment of the mixing result in each of the MIX buses. A matrix bus group
123 includes a “48” channel matrix bus for further mixing the output signals of the stereo
output channel unit 120 and the MIX output channel unit 122. A matrix output channel unit 124
performs level adjustment and sound quality adjustment of the mixing result in the matrix bus
group 123. An output patch unit 126 assigns the output signals of the stereo output channel unit
120, the MIX output channel unit 122, and the matrix output channel unit 124 to the output
units 128 and 130 or any unit of the built-in effector unit 106.
[0020]
Next, the details of the algorithm configuration in the input channel adjustment unit 112, the
stereo output channel unit 120, and the MIX output channel unit 122 will be described with
reference to FIG. In the figure, an n-th input channel adjustment unit 112-n performs sound
quality / volume adjustment in the n-th input channel (1 ≦ n ≦ 128). The m-MIX output channel
section 122-m performs sound quality and volume adjustment on the m-mMIX output channel (1
≦ m ≦ 96). A sound quality adjustment unit 150 in the nth input channel adjustment unit 112-n
performs gate processing, compressor processing, equalizer processing, and the like in the nth
input channel. Here, “gate processing” is processing for automatically cutting unnecessary
noises, “compressor processing” is processing for compressing or expanding a dynamic range,
and “equalizer processing” is a parametric equalizer. Is a process of setting the frequency
characteristic of the audio signal of each channel.
[0021]
A channel delay unit 152 delays the audio signal of the nth input channel as needed. A volume
adjustment unit 154 adjusts the gain of the audio signal of the nth input channel. An on / off
switching unit 156 switches on / off of the entire nth input channel. Reference numerals 162-1
to 162-96 denote signal switching units, which switch audio signals that can be respectively
output from the nth input channel to the "96" system MIX bus according to the fade mode. That
is, when the fade mode is set to "prefade", the output signal of the channel delay unit 152 is
selected, and when it is set to "postfade", the output signal of the on / off switching unit 156 is
selected. Reference numerals 164-1 to 164-96 denote send level adjusters, which adjust the gain
of the signal output to each MIX bus, that is, the send level.
[0022]
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Reference numerals 166-1 to 166-96 denote send on / off switching units, which set send on /
off states for each MIX bus (whether or not an audio signal is supplied to each MIX bus). A stereo
send on / off switching unit 158 switches whether or not the audio signal of the nth input
channel is supplied to the stereo bus 118. Reference numeral 160 denotes a PAN setting unit,
which sets the left and right volume balance when the audio signal is supplied to the stereo bus
118. Next, in the stereo output channel unit 120, a sound quality adjustment unit 170 performs
limiter processing, compressor processing, equalizer processing (adjustment of frequency
characteristics) and the like in the stereo output channel. Reference numerals 172-L and R
denote volume adjustment units, which adjust the left and right output gains of the stereo output
channel. Reference numerals 174-L and R denote on / off switching units, which switch left and
right on / off states of the stereo output channel.
[0023]
Reference numerals 176-L and 176-R denote channel delay units, which delay the audio signal of
the stereo output channel as required. Next, inside the m MIX output channel unit 122-m, 180 is
a sound quality adjustment unit, and performs limiter processing, compressor processing,
equalizer processing, etc. on the m MIX output channel as in the sound quality adjustment unit
150 described above. A volume control unit 182 adjusts the output gain of the m-th MIX output
channel. An on / off switching unit 184 switches the on / off state of the m-th MIX output
channel. A channel delay unit 186 delays the audio signal of the m-th MIX output channel as
needed.
[0024]
3.
External Configuration of Main Console 1100 Next, a plan view of the main console 1100 is
shown in FIG. The operation panel (upper plate) of the main console 1100 is composed of a front
panel 1102 and a rear panel 1104. In the front panel 1102, reference numeral 72 denotes a
sound quality adjustment unit, and the sound quality adjustment units 150, 170, 180 and
channel delay units 152, 176-L, for the selected one channel (hereinafter referred to as "selected
channel"). It consists of various operators and a display for performing detailed setting of
parameters such as R, 186 and the like. Reference numerals 70-1 to 70-16 denote channel strips,
each of which is composed of an operator or the like for setting various parameters such as a
fader level for a channel "16" belonging to a designated "layer".
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[0025]
One channel strip is composed of an electric fader 2, a character display 4, a CUE button 6, an f
button 8, an SEL button 10, an on / off button 12, and knobs 14 and 18. A small display 74 is
composed of a dot matrix display and a touch panel attached to the upper surface thereof. The
small display 74 is for displaying and operating scene recall, user-defined functions, and various
other operation modes. Also, 76 -L and 76 -R are channel strips dedicated to the stereo output
channel unit 120.
[0026]
Next, in the rear panel 1104 of the main console 1100, a send level adjustment unit 80 sets send
levels etc. from the selected channel to each MIX bus when the selected channel is an input
channel or the like. Inside the send level adjustment unit 80, a knob group 80a consisting of "16"
knobs and a layer selection unit 80b consisting of a plurality of buttons for selecting a layer to be
assigned to the knob group 80a are provided. . Each knob included in the knob group 80a is
assigned to any one of the send level adjusting units 164-1 to 164-96 (refer to FIG. 4) in the
selected channel, and when the knob is turned, the corresponding send level The gain of the
adjustment unit 164-m (1 ≦ m ≦ 96) is increased or decreased.
[0027]
Reference numeral 82 denotes a left main display, and 84 a right main display, each of which is
composed of a dot matrix display and a touch panel attached to the upper surface thereof. The
left and right main displays 82 and 84 are each divided into a plurality of areas, and the
functions are different for each area. At the left end of the left main display 82, a selected
channel area 82a, together with the sound quality adjustment unit 72 and the send level
adjustment unit 80, displays and sets various parameters in the selected channel. Reference
numerals 82b and 84b denote navigation areas for switching layers to be assigned to the channel
strips 70-1 to 70-16. Reference numerals 82e and 84e denote channel display areas, in which
channel numbers and channel names of the channels assigned to the corresponding channel
strips 70-1 to 70-16 are displayed. Reference numerals 82c and 84c denote parameter areas, on
which contents of various parameters and setting buttons and the like related to the
corresponding channel strips 70-1 to 70-16 are displayed.
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[0028]
4.
Data configuration 4.1. MIX bus management table 200 The MIX bus management table 200
shown in FIG. 6, the input channel management table 300 shown in FIG. 7, and the send level
initial value table 400 shown in FIG. 12 are stored in the memory 1116 of the main console
1100. . First, in the management table 200 of FIG. 6, 202 is a channel number column, and the
numbers “Mix 1” to “Mix 96” are sequentially stored in the MIX buses 116-1 to 116-96.
Reference numeral 204 denotes a category column, in which a category of "mono", "stereo", or
"surround" is stored. Here, “monaural” is a category in which the audio signal of one MIX bus
is independent of the audio signal of another MIX bus, and the send level to the MIX bus should
be adjusted independently. Also, “stereo” is a category in which the audio signals of the second
MIX bus form a group (pair), and the send level for both MIX buses should be adjusted in
conjunction.
[0029]
Also, “surround” is a category in which audio signals of three or more MIX buses constitute a
group, and the send level to these MIX buses should be adjusted in conjunction. Also, more
specifically, the category of "surround" is actually divided into "3.1 surround", "LCR", "5.1
surround", "6.1 surround", "four channel stereo", etc. . Further, in the category column 204, the
signal type of the audio signal of the MIX bus in each category is also stored. For example, if the
category is "stereo", one of L (left) and R (right) is stored as the signal type. When the category is
"surround", the signal type also differs according to the type of surround, but in "LCR", for
example, the signal types of L (left front), C (center), R (right front) Is stored. Also, for example, in
a 5.1 surround system, in addition to L (left front), C (center), R (right front), Ls (left surround), Rs
(right surround), LFE (low-pass sound effect) The signal type of is stored.
[0030]
Note that LFE (low-frequency sound effect) is a channel that outputs only low-frequency sound
effects, and additionally outputs a deep bass having a frequency component of 120 Hz or less
(cut the frequency band of 120 Hz or more). Is to add power to the sound. An LFE-compatible
MIX bus is supplied with an audio signal whose frequency band is originally cut at 120 Hz or
higher from an LFE dedicated input channel, and an audio signal having a frequency component
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of 120 Hz or higher from a normal input channel. It is assumed that it will be supplied. For this
reason, normally, in the m-MIX output channel unit 122-m corresponding to LFE, the parameters
of the sound quality adjustment unit 180 (see FIG. 4) are set so as to cut the frequency band of
120 Hz or more. Note that, since human hearing is poor in the ability to determine the
directionality of the bass region, LFE does not contribute to the localization of the sound image,
and the sound image is determined by channels other than LFE.
[0031]
A name field 206 stores the name of the MIX output channel. However, the same name is stored
in the channels constituting the same group. A group ID column 208 stores a unique
identification number for each group of MIX buses. In the example of FIG. 6, the same
identification number "1" is given to both MIX buses 116-1 and 116-2 (Mix 1 and Mix 2), and a
stereo group is configured by both of them. ing. Similarly, the same identification number "3" is
given to both MIX buses 116-9 and 116-10 (Mix 9, Mix 10), and a stereo group is configured by
both of them.
[0032]
The same identification number "2" is given to each of the MIX buses 116-3 to 116-8 (Mix 3 to
Mix 8), and these form a "5.1 surround" group. Each of the other MIX buses constitutes a
"monaural" group. An automatic assignment mode column 210 stores the ON / OFF state of the
automatic assignment mode. The automatic assignment mode is set to "ON" to automatically set
the initial value of the send level applied to the MIX bus from each input channel, and to "OFF" if
the initial value is not automatically set. It is set. The ON / OFF state of the automatic assignment
mode is set to the same state in the same group. Although the channel number column 202 is
fixed in the MIX bus management table 200, the contents of the category column 204, the name
column 206, and the automatic assignment mode column 310 can be arbitrarily set by the user.
Further, the identification number in the group ID column 208 is automatically assigned based
on the setting result of the category column 204 by the user.
[0033]
4.2.
Input Channel Management Table 300 Next, in the input channel management table 300 of FIG.
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14
7, 302 is a channel number column, and “Ch 1” to “Ch 128” for the input channel
adjustment units 112-1 to 112-128. The numbers of are sequentially stored. A category field 304
stores one of "monaural", "stereo", and "surround" categories for each input channel, similarly to
the category field 204 in the MIX bus management table 200 described above. In addition, the
category of "surround" is classified into "3.1 surround", "5.1 surround", "6.1 surround", "4
channel stereo", etc., and the MIX bus in each category Similarly to the category column 204, the
signal type of the audio signal (for example, L (left) or R (right) in the case of stereo) is stored.
[0034]
A name field 306 stores the name of the input channel. Further, the same name is stored in the
channels constituting the same group. A group ID field 308 stores a unique identification number
for each group of input channels. In the example of FIG. 7, the same identification number "101"
is given to both the first and second input channels (Ch 1 and Ch 2), and a stereo group is
configured by both of them. . The same identification number "106" is given to the seventh to
twelfth input channels (Ch 7 to Ch 12), and these form a "5.1 surround" group. The same
identification number "108" is given to all of the 14th to 16th input channels (Ch 14 to Ch 16),
and these form an "LCR" group. The other input channels each constitute a "monaural" group.
[0035]
An auto assignment mode field 310 stores the on / off state of the auto assignment mode. The
automatic assignment mode in this input channel is set to "ON" when the initial value of the send
level applied to each MIX bus from the input channel is automatically set, and the initial value is
not automatically set. Is set to "OFF". The ON / OFF state of the automatic assignment mode is set
to the same state in the same group. As in the MIX bus management table 200 described above,
in the input channel management table 300, the channel number column 302 is fixed, and the
contents of the category column 304, the name column 306, and the automatic allocation mode
column 310 are arbitrary by the user. It can be set to Further, the identification number in the
group ID column 308 is automatically assigned based on the setting result of the category
column 304 by the user. More specifically, although the combination of the input channel and
the MIX bus is “128 × 96”, the input channel automatic assignment mode is “ON” and the
MIX bus automatic assignment mode is “ON”. The default send level is automatically set only
for the combination.
[0036]
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15
4.3.
Send Level Initial Value Table 400 Next, in the send level initial value table 400 of FIG. 12, the
horizontal axis represents the category and signal type of the input channel, and the vertical axis
represents the category and signal type of the MIX bus. There is. The intersections of the
horizontal axis and the vertical axis represent the initial value of the send level from the input
channel to the MIX bus in linear scale. That is, when converted to decibel notation, “1” in the
figure becomes “0 [dB]” and “0” in the figure becomes “−∞ [dB]”. A variable represented
by “X” and a two-digit number, such as “X01”, “X02”, “X03”, can be arbitrarily set by
the user within the range of “0 to 1” in the linear scale. However, these variables are set to a
value larger than "0" in the normal use state. Also, FIG. 12 illustrates only "4 types" of
"monaural", "stereo", "LCR", and "5.1 surround" as categories of input channels and MIX buses,
and illustration is omitted for other categories. doing.
[0037]
5.
Operation of Example 5.1. Management Parameter Setting Process 5.1.1. MIX bus When the user
performs a predetermined operation on the small display 74, the MIX bus setting window 250
shown in FIG. 8 is displayed on the left and right main displays 82, 84 to set the contents of the
MIX bus management table 200 (FIG. 6). Is displayed. In FIG. 8, reference numeral 252 denotes a
channel number column, and the contents of the channel number column 202 in the MIX bus
management table 200 (FIG. 6) are displayed. Reference numeral 254 denotes a category
selection field, which is configured by a list box provided for each channel in order to set the
contents of the category field 204 in the management table 200.
[0038]
Reference numeral 256 denotes a name setting field, which is constituted by a text box provided
for each channel in order to set the contents of the name field 206 in the management table 200.
Reference numeral 258 denotes a check box, which is toggled between the automatic assignment
mode ON / OFF state each time the user presses it. It should be noted that the MIX bus with a
check is “ON” in the automatic assignment mode, and the MIX bus in the blank is “OFF” in
the automatic assignment mode. An OK button 260 is pressed by the user, the contents of the
MIX bus management table 200 are updated to reflect the setting contents in the MIX bus
setting window 250, and then the MIX bus setting window 250 is closed. Reference numeral 262
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denotes a cancel button, and when pressed by the user, the MIX bus setting window 250 is
closed without updating the management table 200. A scroll button 264 scrolls the MIX bus
displayed in the MIX bus setting window 250 (increments or decreases by “16” channels).
[0039]
In the list box of the category selection field 254, categories such as monaural, stereo and
surround can be selected. And, in stereo and surround, when the MIX bus category of a certain
channel is set, the category is automatically set also for the channel of the number following this.
For example, when the category of a certain MIX bus 116-n is set to "stereo", the signal type of
the MIX bus 116-n is set to stereo L (left), and the MIX bus 116 whose number is larger by "1".
The signal type of-(n + 1) is set to stereo R (right) of the same group. Further, when the category
of “LCR” is set for the MIX bus 116-n, a MIX bus of “3” channel starting from the MIX bus
is secured, and these form a group of LCR. These signal types are set to L (left front), C (center)
and R (right front) in the order of the channel numbers of the MIX bus. Similarly, when the
category of "5.1 surround" is set for MIX bus 116-n, a MIX bus of "6" channel starting from the
MIX bus is secured, and these form a surround group. Be done. These signal types are set to L
(left front), C (center), R (right front), Ls (left surround), Rs (right surround), and LFE (lowfrequency sound effects) in the order of the channel numbers of the MIX bus. Ru.
[0040]
In the illustrated example, as a result of the category of MIX bus 116-1 (Mix 1) being set to
"stereo", the categories of MIX buses 116-1 and 116-2 (Mix 1, Mix 2) are both " It is set to
"stereo". Further, the signal type of the MIX bus 116-1 (Mix 1) is set to L (left), and the signal
type of the MIX bus 116-2 (Mix 2) is set to R (right). Moreover, as a result of the category of MIX
bus 116-3 (Mix 3) being set to "5.1 surround", it is "5.1 surround" by MIX buses 116-3 to 116-8
(Mix 3 to Mix 8). Groups are formed, and the signal types relating to these MIX buses are L (left
front), C (center), R (right front), Ls (left surround), Rs (right surround), LFE (low-frequency sound
effects) It is set sequentially.
[0041]
5.1.2.
Input Channel Also, when the user performs another predetermined operation on the small
10-04-2019
17
display 74, the input channel window 350 shown in FIG. 9 is displayed on the left and right main
displays 82 to set the contents of the input channel management table 300 (FIG. 7). , 84 are
displayed. In FIG. 9, reference numeral 352 denotes a channel number column, and the contents
of the channel number column 302 in the input channel management table 300 (FIG. 7) are
displayed. Reference numeral 354 denotes a category selection field, which is configured by a list
box provided for each channel in order to set the contents of the category field 304 in the
management table 300. As in the case of the MIX bus setting window 250 described above, when
the category of the input channel in the category selection field 354 is set to "stereo" or
"surround", the same number is also applied to the required number of channels. Categories are
set automatically.
[0042]
Reference numeral 356 denotes a name setting field, which is constituted by a text box provided
for each channel in order to set the contents of the name field 306 in the management table 300.
A check box 358 toggles the ON / OFF state of the automatic assignment mode each time the
user presses the button. As in the case of the MIX bus setting window 250, the MIX bus with a
check is “ON” in the automatic assignment mode, and the MIX bus in the blank is “OFF” in
the automatic assignment mode. An OK button 360 is pressed by the user, the contents of the
input channel management table 300 are updated to reflect the setting contents in the input
channel window 350, and then the input channel window 350 is closed. Reference numeral 362
denotes a cancel button, which, when pressed by the user, closes the input channel window 350
without updating the management table 300. A scroll button 364 scrolls the input channel
displayed in the input channel window 350 (increments or decreases by “16” channels).
[0043]
5.2.
Initialization processing Even if the MIX bus management table 200 or the input channel
management table 300 described above is updated, the parameters in the mixing algorithm are
not updated as they are, and a predetermined initialization operation (for example, a
predetermined operation on the small display 74) When detected, the initialization processing
routine shown in FIG. 10 is started in the CPU 1114 of the main console 1100, and these
parameters are updated. Therefore, the operation of the routine will be described. When the
process proceeds to step SP10 in FIG. 10, the automatic assignment mode columns 210 and 310
in the management tables 200 and 300 are searched, and the range to which the send level is
automatically assigned is extracted. That is, the range of combinations in which the automatic
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18
assignment mode of the input channel is “ON” and the automatic assignment mode of the MIX
bus is “ON” is the automatic assignment range. Then, in the send on / off switching unit (the
nth input channel adjustment unit (1 ≦ n ≦ 128 in which the automatic assignment mode is
“ON”) in this automatic assignment range, the send on / off switching unit 166 in which the
automatic assignment mode is “ON” All −m (1 ≦ m ≦ 96) are set to the off state. As a result,
the supply of signals from these input channels to the MIX bus is stopped.
[0044]
Next, when the process proceeds to step SP20, the automatic assignment mode is “ON” in the
send level in the automatic assignment range (in the nth input channel adjustment unit (1 ≦ n ≦
128 where the automatic assignment mode is “ON”) The send level adjustment unit 164-m (1
≦ m ≦ 96), which is automatically, is automatically based on the category and signal type of
each input channel and MIX bus, and the send level initial value table 400 (FIG. 12). To be
determined. Here, an outline of the automatic assignment process will be described with
reference to FIG. FIG. 11 shows an outline of the send level setting state when the states of the
management tables 200 and 300 are as shown in FIG. 6 and FIG. In FIG. 11, each horizontal axis
corresponds to an input channel, and each vertical axis corresponds to a MIX bus. Of the
intersections between the horizontal axis and the vertical axis, the intersection with a circle is
given a send level greater than "-∞ dB", and the intersection without a circle is given a send level
of "-∞" dB .
[0045]
5.3.
Details of Send Level Setting Next, the details of the send levels set from the input channels to the
MIX buses in step SP20 will be described with reference to FIG. 12 again. Here, the notation
method of the send level in the following description will be described. First, the send level (gain
of the send level adjustment unit 164-m) from the nth input channel to the MIX bus 116-m is
expressed as "send level SL (n, m)" using the channel number. be able to. Also, instead of the
channel number, it may be described using a signal type, "_in" representing an input channel, and
"_out" representing a MIX bus. That is, if the signal type of the nth input channel and the MIX
bus 116-m are both L (left), it can be expressed as "send level SL (L_in, L_out)".
[0046]
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19
In addition, assuming that a character string such as L_in or L_out representing a signal type also
represents the “signal level” of the linear scale, and by representing L_out as a linear function
of L_in, the send level of the linear scale can be represented. For example, it is a mathematical
expression such as L_out = X00 · L_in. In this equation, “L_out” on the left side is the signal
level appearing on the corresponding MIX bus. Further, “L_in” on the right side is a signal
level output to the MIX bus when the send level to a certain MIX bus is “0” dB. The coefficient
“X00” for “L_in” is a value representing the send level SL (L_in, L_out) in a linear scale.
[0047]
(1)
Input: Stereo → Output: Stereo The nth and (n + 1) th input channels form a "stereo" group, and
MIX buses 116-m and 116- (m + 1) form a "stereo" group, and their automatic assignment mode
Suppose that both were "ON". In this case, according to FIG. 12, the send level represented by the
linear scale is as follows. SL (L_in, L_out) = 1, SL (L_in, R_out) = 0, SL (R_in, L_out) = 0, SL (R_in,
R_out) = 1 equation (1) The nth input channel, MIX bus 116 Since the signal type of −m is L
(left) and the signal type of the (n + 1) th input channel, MIX bus 116 − (m + 1) is R (right), a
channel number is used instead of the signal type, When send scale is used to represent send
levels, each send level can be expressed as follows.
[0048]
SL (n, m) = 0 [dB], SL (n, m + 1) =-[[dB], SL (n + 1, m) =-[[dB], SL (n + 1, m + 1) = 0 [dB] ... Equation
(2) Here, assuming that L_in, L_out, R_in, R_out indicating the signal type also represent the
“signal level” of the linear scale, and expressing the signal levels R_in, R_out by a formula
using the above send levels as coefficients , It becomes like the following formula. L_out = 1 ·
L_in + 0 · R_in = L_in R_out = 0 · L_in + 1 · R_in = R_in (3) Equations (1) to (3) are equivalent, and
thereafter various send levels are mainly determined by the format of equation (3) write. The
send level corresponds to, for example, the intersection of the first and second input channels
(Ch 1 and Ch 2) and the MIX buses 116-1 and 116-2 (Mix 1 and Mix 2) in FIG.
[0049]
(2)
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Input: LCR → Output: Stereo The nth to (n + 2) th input channels form an "LCR" group, and MIX
buses 116-m and 116- (m + 1) form a "stereo" group, and these automatic assignment modes
Suppose that both were "ON". In this case, according to FIG. 12, each send level is set based on
the following equation in step SP20. SL (L_in, L_out) = X01, SL (L_in, R_out) = 0, SL (R_in, L_out)
= 0, SL (R_in, R_out) = X02, SL (C_in, L_out) = X03, SL (C_in, R_out) ] = X03 ... Formula (4)
Moreover, according to the expression method of the above Formula (3), Formula (4) can be
written as follows. L_out = X01 L_in + X03 C_in R_out = X02 R_in + X03 C_in (5) The above send
levels are, for example, the 14th to 16th input channels (Ch 14 to Ch 16) and the MIX bus 116-1
in FIG. , 116-2 (Mix 1, Mix 2).
[0050]
(3)
Input: 5.1 surround → output: stereo The nth to (n + 5) th input channels form a "5.1 surround"
group, and MIX buses 116-m and 116- (m + 1) form a "stereo" group. It is assumed that these
automatic assignment modes are both "ON". In this case, according to FIG. 12, each send level is
set based on the following equation in step SP20. L_out = X11 · L_in + X13 · Ls_in + X15 · C_in +
X16 · LFE_in, R_out = X12 · R_in + X14 · Rs_in + X15 · C_in + X16 · LFE_in (6) For example, the
send levels in FIGS. 12) corresponds to the intersection of MIX buses 116-1 and 116-2 (Mix 1,
Mix 2).
[0051]
(4)
Input: Stereo → Output: LCR The nth and (n + 1) th input channels form a "stereo" group, and
MIX buses 116-m to 116- (m + 2) form an "LCR" group, and these automatic assignment modes
Suppose that both were "ON". In this case, according to FIG. 12, each send level is set based on
the following equation in step SP20. L_out = L_in, C_out = X21 · L_in + X22 · R_in, R_out = R_in
formula (7)
[0052]
(5)
Input: LCR → Output: LCR The nth to (n + 2) th input channels form an "LCR" group, and MIX
buses 116-m to 116- (m + 2) form an "LCR" group, and these automatic assignment modes
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Suppose that both were "ON". In this case, according to FIG. 12, each send level is set based on
the following equation in step SP20. L_out = L_in, C_out = C_in, R_out = R_in formula (8)
[0053]
(6)
Input: 5.1 surround → output: LCR The nth to (n + 5) th input channels form a "5.1 surround"
group, and MIX buses 116-m to 116- (m + 2) form an "LCR" group. It is assumed that these
automatic assignment modes are both "ON". In such a case, in step SP20, each send level is set
based on the following equation. L_out = X31 · L_in + X33 · Ls_in + X36 · LFE_in, C_out = C_in +
X36 · LFE_in, R_out = X32 · R_in + X34 · Rs_in + X36 · LFE_in Formula (9)
[0054]
(7)
Input: Stereo → Output: 5.1 Surround The nth and (n + 1) th input channels form a "stereo"
group, and MIX buses 116-m to 116- (m + 5) form a "5.1 surround" group. It is assumed that
these automatic assignment modes are both "ON". In this case, according to FIG. 12, each send
level is set based on the following equation in step SP20. L_out = L_in, C_out = X41 · L_in + X41 ·
R_in, R_out = R_in, Ls_out = L_in, Rs_out = R_in, LFE_out = X42 · L_in + X42 · R_in, Equation (10)
[0055]
(8)
Input: LCR → output: 5.1 surround. The nth to (n + 2) th input channels form an "LCR" group,
and MIX buses 116-m to 116- (m + 5) form a "5.1 surround" group. It is assumed that these
automatic assignment modes are both "ON". In this case, according to FIG. 12, each send level is
set based on the following equation in step SP20. L_out = L_in, C_out = C_in, R_out = R_in Ls_out
= C_in + X51 · L_in, Rs_out = C_in + X52 · R_in, LFE_out = C_in + X53 · L_in + X54 · R_in (11)
[0056]
(9)
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22
Input: 5.1 surround → output: 5.1 surround The nth to (n + 5) th input channels form a "5.1
surround" group, and the MIX buses 116-m to 116- (m + 5) are "5.1. It is assumed that
“surround” groups are formed and both of these automatic assignment modes are “ON”. In
this case, according to FIG. 12, each send level is set based on the following equation in step
SP20. L_out = L_in, C_out = C_in, R_out = R_in Ls_out = Ls_in, Rs_out = Rs_in, LFE_out = LFE_in
formula (12)
[0057]
(10)
When the input or output is monaural When both of the automatic assignment mode of the nth
input channel and the MIX bus 116-m are "ON" and the category of the nth input channel is
"mono", according to FIG. The send level from the nth input channel to the MIX bus 116-m is set
to “1” in linear scale, regardless of the category of the MIX bus 116-m. Further, when the
automatic assignment mode of the nth input channel and the MIX bus 116-m is both “ON” and
the category of the MIX bus 116-m is “monaural”, according to FIG. Regardless of the
category, in step SP20, the send level from the nth input channel to the MIX bus 116-m is set to
“1” on a linear scale.
[0058]
As described above, according to the present embodiment, the combination of each input channel
and each MIX bus can be automatically set to the initial value of the send level based on the send
level initial value table 400, so high operation Can be realized.
[0059]
6.
Modifications The present invention is not limited to the embodiments described above, and
various modifications can be made, for example, as follows.
(1)In the above embodiment, devices such as the consoles 1100 and 1200, the engine 1300, the
microphone controller 1400, the amplifier controller 1500, and other audio devices 1600 are
accommodated in separate housings, and these devices are connected by the IP network 1000.
However, all or part of these devices may be housed in the same housing.
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23
[0060]
(2)
Further, in the above embodiment, the initial value of the send level stored in the send level
initial value table 400 is fixed to “1” or “0” in linear scale, and can be arbitrarily set by the
user ( For example, although it was comprised from X01, X02 etc., a user may enable it to set
arbitrarily about all the initial values memorize | stored in a table. Thereby, for example, the
initial value which is “1” in the linear scale can be set to any initial value larger than “0”.
[0061]
(3)
Further, in the send level initial value table 400 shown in FIG. 12, although the initial values of
the send levels are set for all the combinations shown, it is also possible to include
“combinations without setting initial values” in the table. In the "combination in which the
initial value is not set", the initial value is not set in step SP20 even if the input channel and the
automatic assignment mode of the MIX bus are both "ON". For example, when setting the send
level from a monaural input channel to a MIX bus belonging to a category other than monaural
as “combination not setting an initial value”, the contents of the send level initial value table
400 are changed as shown in FIG. Good.
[0062]
(4)Further, in the above embodiment, although the initial value of the send level is set by the
program operating on the CPU 1114 of the main console 1100, only this program is stored in a
recording medium such as a CD-ROM or memory card and distributed. Alternatively, it can be
distributed through a transmission line.
[0063]
2: Motorized fader, 4: Character display, 5.1 surround: 6 CUE button, 8: f button, 10: SEL button,
12: on / off button, 14, 18: knob, 70-1: channel strip , 70-1 to 70-16: channel strip, 72: sound
quality adjustment unit, 74: small display, 76-L, 76-R: channel strip, 80: send level adjustment
unit, 80a: knob group, 80b: layer selection Section 82: left main display 82a: selected channel
area 82, 84: left and right main display 82b, 84b: navigation area 82c, 84c: parameter area 82e,
84e: channel display area 82a: (image display means ), 84: right main display, 102: analog input,
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104: digital input 106: built-in effector unit 108: input patch unit 110: stereo input channel
adjustment unit 112: input channel adjustment unit 112-1 to 112-128: input channel adjustment
unit 112-n: nth input channel adjustment Unit 114: Effect return unit 116: MIX bus group 116-1
to 116-96: MIX bus (mixing bus) 118: Stereo bus 120: Stereo output channel unit 122: MIX
output channel unit 122- m: mth MIX output channel unit 123: matrix bus group 124: matrix
output channel unit 126: output patch unit 128: analog output unit 130: digital output unit 150,
170, 180: sound quality adjustment unit 152 : Channel delay unit 154: Volume control unit 156:
O Switch off part, 158: stereo send on / off switch part, 160: PAN setting part, 162-1 to 162-96:
signal switching part, 164-1 to 164-96: send level adjustment part, 166-1 to 166-96 : Send on /
off switching unit 172-L, R: volume adjustment unit 174-L, R: on / off switching unit 176-L, R:
channel delay unit 182: volume adjustment unit 184: on / off switching unit 186: Channel delay
unit 200: MIX bus management table (MIX bus management table storage means) 202: channel
number column 204: category column 206: name column 208: group ID column 210, 310:
automatic allocation mode column 250: MIX bus setting window, 252: Channel number field,
254: Category selection field, 256: Name setting field, 258 Check box 260: OK button 262:
cancel button 264: scroll button 300: input channel management table (input channel
management table storage means) 302: channel number column 304: category column 306:
name column 308 : Group ID column, 350: Input channel window, 352: Channel number column,
354: Category selection column, 356: Name setting column, 360: OK button, 364: Scroll button,
400: Send level initial value table, 1000: IP Network, 1100: main console (mixing console), 1102:
front panel, 1104: rear panel, 1110: panel display group, 1112: panel operator group, 1114: CPU
(processing device), 1116: memory, 1118: Conso 1 I / O unit, 1120: CPU bus, 1122: motorized
fader group, 1124: voice I / O unit, 1126: DSP, 1128: network I / O unit, 1130: audio bus, 1132:
other I / O unit, 1200: sub-console, 1300: engine, 1310: panel display group, 1312: panel
operator group, 1314: CPU, 1316: memory, 1326: DSP, 1328: network I / O section, 1330: audio
bus, 1332 : Other I / O section, 1400: Microphone controller, 1402: Microphone, 1500:
Amplifier controller, 1502: Amplifier, 1504: Speaker, 1600: Other audio equipment.
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