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DESCRIPTION JP2006270507

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DESCRIPTION JP2006270507
PROBLEM TO BE SOLVED: To disable an equalizer inserted in a monitor channel as needed.
SOLUTION: When a cue (CUE) switch 21d is turned on to turn on the EQ automatic bypass switch
22 to instruct detection of any output channel, the equalizer inserted in the monitor channel is
automatically bypassed and invalidated. Turn As a result, when the signal returned to the
performer is inspected, the equalizer inserted in the monitor channel is automatically bypassed,
and the sound supplied to the performer can be confirmed as it is. [Selected figure] Figure 2
Mixing equipment
[0001]
The present invention relates to a mixing apparatus capable of detecting a signal of an input
channel or an output channel.
[0002]
Conventionally, the level and frequency balance of the signals output from many microphones or
electric and electronic musical instruments are adjusted, mixed and put together into several
mixing groups and sent out to power amplifiers and various recording devices, effectors and
performances. A mixing device is known which delivers to the playing player.
The operator who operates the mixing device expresses the performance most appropriately by
operating the volume and timbre of each audio signal of instrument sound and singing while
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monitoring various output panel controls of the mixing console. It is adjusted to the state
considered to be. The mixing apparatus includes a plurality of input channels as an input signal
series, a mixing bus for mixing the signals output from the input channels, and an output channel
which is an output series for outputting the mixed signals. Each input channel controls the
frequency balance and output level of the input signal and outputs it to each mixing bus, and
each mixing bus mixes each input signal and outputs it to the corresponding output channel.
Each output channel controls and outputs the frequency balance and the level of the mixing
signal input from the mixing bus.
[0003]
Such a mixing device is used for concerts, events, gatherings, theaters, etc., and is a signal output
to the main speakers (LR, LCR, ...) using a plurality of mixing buses. And mixing of the signal
(monaural) to be returned to each performer. The signal returned to each performer is supplied
to an in-ear monitor worn by the performer on the ear or reproduced on a stage monitor speaker
placed near the performer. Each output channel is equipped with a parametric equalizer (PEQ),
but a multi-element graphic equalizer (GEQ) will be inserted as needed. The equalizer in the
output channel that outputs the signal to the main speaker is provided to adjust the frequency
balance at the viewing position of the audience and to prevent howling by the microphone in the
hall. In addition, an equalizer of an output channel that outputs a signal to a performer is
provided to prevent howling by a microphone in the vicinity of the performer and to adjust the
frequency balance according to the preference of each performer.
[0004]
Furthermore, the mixing device is provided with a monitor function for monitoring a signal
output from the output channel and supplied to the speaker without changing the mixing state in
the mixing means, and for detecting a signal of a certain input channel or output channel. A
hearing aid (CUE) function is generally provided. In the monitor function, signals output from the
output channel and supplied to the main speaker are mixed by the monitor mixer and output to
the monitor channel. Further, in the listening function, a signal of an input channel or an output
channel selected by turning on the cue switch is inputted to the cue bus, and a signal (queue
signal) of the cue bus is outputted to the monitor channel. In the monitor channel, the supplied
signal is equalized by the equalizer and is monitor output to the monitor room. In this case, in the
monitor room, since the room is smaller than the venue, the low range becomes blurred sound.
Therefore, the monitor channel equalizer is used to squeeze the boomy band so that the sound
image becomes clear.
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[0005]
The equalizer inserted in this monitor channel is always enabled. Therefore, when a signal of a
certain output channel is to be detected, the signal to be detected is to be subjected to both the
equalizer inserted in the output channel and the equalizer inserted in the monitor channel. .
Then, in the case of detecting the signal returned to the performer, there is a problem that the
sound supplied to the performer can not be confirmed as it is. Here, it is conceivable to invalidate
the equalizer inserted in the monitor channel in the case of audition listening, but since it is
necessary to confirm the quality of the signal in the case of auditioning the input channel, the
monitor channel It is necessary to enable the equalizer inserted in, and it is not possible to
disable the equalizer inserted in the monitor channel. Furthermore, in the mixing bus, in addition
to the signal to the main speaker and the signal to be returned to the performer, the mixing of
the signal sent to the external effector or recorder is also performed, and the output channel to
input the signal to the external effector or recorder is checked. When listening, it was necessary
to enable the monitor channel equalizer.
[0006]
Therefore, an object of the present invention is to provide a mixing device capable of invalidating
an equalizer inserted in a monitor channel as needed.
[0007]
In order to achieve the above object, the mixing apparatus of the present invention is configured
such that when the automatic bypass is set to be effective and the listening means instructs
detection of any output channel, the equalizer means in the monitor channel is used. It is
controlled to be disabled, automatic bypass is set to be disabled, or when any listening channel is
not instructed to listen to any output channel, the equalizer means in the monitor channel is
enabled. Is the most important feature.
[0008]
According to the present invention, when the automatic bypass is set to be effective, and the
listening means instructs detection of any output channel, the equalizer means in the monitor
channel is controlled to be invalidated, and the automatic bypass is performed. Is invalidated, or
when no instruction for examination of any output channel is given by the examination means,
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the signal being returned to the performer is examined by enabling the equalizer means in the
monitor channel In this case, by setting the automatic bypass to be effective, the equalizer
inserted in the monitor channel is automatically bypassed, and the sound supplied to the
performer can be confirmed as it is.
Also, even if automatic bypass is set to be enabled, the equalizer inserted in the monitor channel
is enabled to check the quality of the signal of the input channel when performing audition on
the input channel. become.
Furthermore, when monitoring an output channel that inputs a signal to an external effector or
recorder, setting the automatic bypass to invalid enables the signal of the output channel that
inputs a signal to the external effector or recorder to the monitor channel equalizer. Will be able
to audition.
[0009]
The purpose of providing a mixing device capable of disabling the equalizer inserted in the
monitor channel as needed is that automatic bypass is set to be enabled, and the listening unit
listens to any output channel Is instructed to disable the equalizer means in the monitor channel,
and the automatic bypass is set to be invalidated, or when any of the output channels is not
instructed to listen to any of the output channels, It realized by activating the equalizer means in
the monitor channel.
[0010]
A block diagram showing the configuration of a digital mixer which is an embodiment of the
mixing apparatus of the present invention is shown in FIG.
In the digital mixer 1 according to the embodiment of the present invention shown in FIG. 1, a
CPU (Central Processing Unit) which controls the overall operation of the digital mixer 1 and
generates a control signal in accordance with the operation of the mixing operation. 10)
Rewritable non-volatile flash memory 11 in which operation software such as mixing control
program executed by CPU 10 is stored, and RAM (Random Access Memory) 12 in which work
area of CPU 10 and various data are stored Is equipped. Thus, by storing the operation software
in the flash memory 11, the version of the operation software can be upgraded by rewriting the
operation software in the flash memory 11. Also, other devices such as a digital recorder are
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connected to the digital mixer 1 via the other I / O 13 which is an input / output interface.
[0011]
All inputs and all outputs of the digital mixer 1 are provided by a waveform I / O (waveform data
interface) 14. The waveform I / O 14 has a plurality of A input ports to which an analog signal is
input, a plurality of A output ports to which an analog signal is output, and a bi-directional input
to which a digital signal is input from the outside and to the outside. And a plurality of D input /
D output ports. The waveform I / O 14 is also provided with a monitor port for outputting a
monitor signal when the operator of the digital mixer 1 operates the operation element. The
monitor signal from the monitor port is supplied to the operator's monitor 20 in the operator
room, so that the operator in the operator's room can operate the digital mixer 1 while
monitoring the signal of the output channel. Furthermore, it is possible to listen to a signal of a
certain input channel or output channel or a signal sent to a performer without changing the
mixing state. Further, the signal processing unit 15 is configured by using a large number of
DSPs (Digital Signal Processors), and performs mixing processing, effect processing, and the like
under the control of the CPU 10.
[0012]
The display 16 is a display including a liquid crystal display device or the like that displays a
setting screen or the like of an output patch. The motorized fader 17 is a fader that adjusts the
level of the signal of the input channel or the signal of the output channel, and can be leveled
manually and electrically. The operator 18 is an equalizer automatic bypass switch, an
assignment switch for assigning channel strips provided for 12 channels to an output channel or
an input channel, a cursor movement key for moving a cursor displayed on the display 16, and a
set value It is an operation element provided on a panel including an increase / decrease key to
increase / decrease, a rotary encoder for selecting a set value, an enter key for determining the
set value, and the like. Each part is connected to the bus 19.
[0013]
The outline of the appearance of the panel provided with the operating element 18 in the digital
mixer 1 according to the present invention is shown in FIG. In FIG. 2, below the display 16,
channel strips 21-1, 21-2,..., 21-12 for 12 channels are provided. The channel strips 21-1 to 21-
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12 are assigned a selection switch (SEL) 21a for selecting a channel assigned to the channel strip
21-1 to 21-12, a channel switch 21b for turning on the channel, and A fader knob 21c in the
electric fader 17 for controlling the level of the channel and a cue (CUE) switch 21d for
monitoring the assigned channel are provided. The channel strips 21-1 to 21-12 correspond to
all the input channels and all the output channels, so that every 12 channels of input channels or
12 channels of output channels can be controlled by the channel strips 21 for 12 channels
respectively. become. That is, by pushing the "master" switch 23 provided in the middle stage on
the right side, the output channels of the first to twelfth output channels are controlled by the
channel strips 21-1 to 21-12 for 12 channels respectively. become able to. By pressing the
switch 24 of the “layer 1” below the switch 26 of the “master”, the input strips of the first to
twelfth input channels are formed by the channel strips 21-1 to 21-12 for 12 channels. Each can
be controlled, and by pressing the “layer 2” switch 25, the input channels of the thirteenth to
twenty-fourth input channels can be controlled respectively, and by pressing the “layer 3”
switch 26, The input channels of the 25th to 36th input channels can be controlled respectively,
and the input channels of the 37th to 48th input channels can be controlled respectively by
pushing the switch 27 of “layer 4”. Become. Thus, the level control and the cue setting of the
12 output channels and the 48 input channels can be controlled by the channel strips 21-1 to
21-12 by 12 channels.
[0014]
An EQ automatic bypass switch 22 is provided at the upper right of the display 16. When the EQ
automatic bypass switch 22 is turned on, the equalizer inserted in the monitor channel can be
automatically bypassed. When automatic bypass is enabled, when the cue (CUE) switch 21d in
the channel strips 21-1 to 21-12 is operated to instruct detection of any output channel, the
equalizer means in the monitor channel is activated. It is bypassed and invalidated. Note that
even if the automatic bypass is enabled, the equalizer means in the monitor channel is enabled
without being bypassed when no audio-recognition instruction is given to any of the output
channels. That is, when the cue (CUE) switch 21d in the channel strips 21-1 to 21-12 is operated
to instruct to listen to any input channel, the equalizer means in the monitor channel becomes
effective. Also, when the EQ automatic bypass switch 22 is turned off and the automatic bypass is
set to be invalid, the equalizer means in the monitor channel is always enabled.
[0015]
The above-described "master" switch 23, "layer 1" to "layer 4" switches 24 to 27, and a cursor
movement key 28 for moving the cursor displayed on the display 16 under the various settings
An increase / decrease key 29 for increasing / decreasing a possible value, a rotary encoder 30
capable of selecting various settable values, and an enter key 31 for determining a set value
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selected by the increase / decrease key 29 or the rotary encoder 30 are provided. .
[0016]
Next, FIG. 3 shows an equivalent functional block diagram in which the mixing process is
performed in the digital mixer 1 of the configuration shown in FIG. 1 according to the present
invention.
In FIG. 3, analog signals input to the plurality of analog input ports (A input) 40 are converted
into digital signals by the built-in AD converter and input to the input patch 43. The digital
signals input to the plurality of digital input ports (D input) 41 are input to the input patch 43 as
they are. The input patch 43 selectively patches (connects) any one input port of a plurality of
input ports which are signal input sources for each input channel of a plurality of input channel
units 44, for example, 48 channels. Each input channel is supplied with the signal from the input
port patched by the input patch 43.
[0017]
Each input channel in the input channel section 44 is provided with an attenuator, an equalizer, a
compressor, a fader, and a send adjustment section for adjusting the sending level to the mixing
bus (MIX) 45. In these input channels, frequency balance and The level sent to the mixing bus
(MIX) 45 is controlled. The 48-channel digital signal output from the input channel unit 44 is
selectively output to one or more of 12 mix buses (MIX buses) 45 of MIX 1 to 12 and is output to
a cue bus (CUE) 46 Be done. A mixing bus (MIX) 45 mixes one or more digital signals selectively
input from any one of the 48 input channels in each of 12 buses, and a total of 12 channels of
mixed outputs are mixed. The signal is output to the MIX output channel unit (MIX output ch)
47. This makes it possible to obtain 12 channels of mixed output mixed in 12 ways. The output
from the mixing bus (MIX) 45 is often supplied as a final output to a speaker or the like.
[0018]
Each output channel in the MIX output channel unit 47 is provided with an attenuator, an
equalizer, a compressor, and a fader. In these output channels, the frequency balance and the
level sent to the output patch 48 are controlled. In addition, while the signal of the input channel
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instructed to be listened to in the input channel unit 44 is inputted to the cue bus (CUE) 46, the
signal of the output channel instructed to be inspected in the MIX output channel unit 47 is It
has been input. The cue mode in the digital mixer 1 according to the present invention is the last
cue mode. In the last cue mode, when any one of the channels (CUE) switch 21 d in the channel
strips 21-1 to 21-12 is operated and turned on when detection of any channel is not instructed.
The listening of the channel assigned to will be performed.
[0019]
That is, the signal of the channel corresponding to the turned on cue (CUE) switch 21d is
inputted to the cue bus (CUE) 46, and the listening signal outputted from the cue bus (CUE) 46 is
the monitor channel unit (monitor ch) 52 The signal is input to a predetermined level, supplied to
a monitor analog output unit (monitor A output) 53, and emitted from a monitor speaker in the
operator room. After that, when the cue (CUE) switch 21d of the channel strip 21 to which a
different channel is assigned is operated and turned on, the audition of the channel which has
been audited up to that point is cancelled, and anew. Only the channel corresponding to the
turned on cue (CUE) switch 21d is listened to.
[0020]
As described above, the last cue mode is a mode in which only the audition of the channel
corresponding to the cue (CUE) switch 21d last turned on is performed, and only one channel
can be audited at the same time. The cue (CUE) switch 21d is self-illuminating, and only the cue
(CUE) switch 21d of the channel strip being listened to is turned on, and the cue (CUE) switch
21d of the other channel strips is turned on Turn off. As a signal to be listened to, it is possible to
select points in front of or behind the electric fader 17 in each channel. In this case, the point
from which the signal to be examined is extracted is selected not for each channel but for all
channels in common. In addition, when the cue (CUE) switch 21d of the channel strip that has
already been listened to is further operated, the audition of the channel is canceled and the CUE
switch 21d turns off. Become.
[0021]
The signal of the output channel output to the monitor mixer unit 51 is also output from the
monitor mixer unit 51 and input to the monitor channel unit (monitor ch) 52. A monitor signal
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output from the MIX output channel unit 47 is supplied to the monitor mixer unit 51. In the
monitor channel unit (monitor channel) 52, when an instruction to listen to one of the channels
is instructed and a detection signal output from the cue bus (CUE) 46 is supplied to the monitor
channel unit (monitor channel) 52, , Select the listening signal from the cue bus (CUE) 46 and
supply it to the monitor analog output unit (monitoring A output) 53, and the listening signal is
not instructed in any of the channels and the listening signal is monitored When not supplied to
the channel unit (monitor channel) 52, the monitor signal from the monitor mixer unit 51 is
selected and supplied to the monitor analog output unit (monitor A output) 53. As a result, when
the operator of the digital mixer 1 desires to listen to an arbitrary channel, he or she can listen to
the signal of that channel, and monitor the signal supplied to the main speaker when not
instructed to listen. become able to. The monitor mixer unit 51, the monitor channel unit
(monitor ch) 52, and the monitor analog output unit (monitor A output) 3 have a stereo
configuration and handle stereo signals.
[0022]
The mixed output of 12 channels output from the MIX output channel unit 47 is supplied to the
output patch 48. In the output patch 48, any one of the 12 channels of the MIX output channel
unit 47, which is an input source of the signal, is output from each of the analog output port unit
(A output) 49 and each digital output port unit (D output) 50. Each output port can be selectively
patched (connected), and each output port is supplied with the signal from the channel patched
by the output patch 48. Also, the digital output signal supplied to the analog output port unit (A
output) 49 having a plurality of analog output ports is converted into an analog output signal by
the built-in DA converter and output from the analog output port. Then, the analog output signal
output from the analog output port unit (A output) 49 is amplified and emitted from the main
speaker. Furthermore, this analog output signal is supplied to an in-ear monitor worn by a
performer in the ear, or reproduced by a stage monitor speaker placed near the performer. The
digital audio signal output from the digital output port unit (D input) 50 having a plurality of
digital output ports is supplied to a multitrack recorder, DAT or the like so that digital recording
can be performed.
[0023]
Furthermore, the digital mixer 1 is provided with an equalizer 42 composed of, for example, 16
graphic equalizers (GEQs), and each of the 16 equalizers 42 is used as an input channel section
(input channel) 44 or a MIX output channel section 47. As shown as "INSERT", each equalizer 42
can be inserted into a desired input channel or output channel. In the channel in which the
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equalizer 42 is inserted, the equalizer 42 controls the frequency balance of the signal. Further,
the equalizer 42 is inserted into the monitor channel in the monitor channel unit (monitor ch) 52
so that the frequency balance of the monitor signal can be adjusted. However, the total number
of channels into which the equalizer 42 can be inserted is up to 16 channels.
[0024]
Note that by inserting the equalizer 42 in the output channel that outputs the signal to the main
speaker, it is possible to adjust the frequency balance at the viewing position of the audience and
to prevent howling by the microphone in the hall. Also, by inserting the equalizer 42 in the
output channel that outputs a signal to the performer, it is possible to prevent howling by a
microphone in the vicinity of the performer, and to adjust the frequency balance according to the
preference of each performer It will be. Furthermore, by inserting the equalizer 42 in the monitor
channel, the sound image is narrowed by narrowing the boomy band so that the low range of the
sound emitted in the monitor room where the room is narrower than the venue will not be
blurred. You will be able to adjust to be clear. By the way, when the equalizer 42 is inserted into
the channel, the equalizer 42 is inserted into a predetermined insertion point of the channel. In
this case, a virtual port supplying a signal from the channel insertion point of the channel to the
equalizer 42 is the INSERT OUT input to the output patch 48, and the signal from the equalizer
42 is virtually returned to the channel insertion point Port becomes the INSERT IN outputted
from the input patch 43.
[0025]
Next, although the example of composition of the input channel in input channel part 44 is
shown in Drawing 4, the composition of the input channel of 48 channels is made the same, for
example. An input channel 44-1 shown in FIG. 4 is one of the input channel units 44, and adjusts
the frequency balance of the signal with an attenuator (ATT) 60 for adjusting the level of the
signal input from the input patch 43. A 4-band parametric equalizer (PEQ) 61 and a compressor
(COMP) 62 for compressing a signal are provided. The signal subjected to the characteristic
control processing by these is adjusted to an arbitrary level by the fader & ON 64, and the
sending level to each of the 12 buses in the mixing bus (MIX) 45 is further adjusted by the send
adjusting section 65 to mix It is sent out to the bus (MIX) 45. Also, the signals on the input and
output sides of the fader & ON 64 are supplied to the contact a1 and the contact b1 of the pre /
post changeover switch SW1, and the signal outputted from the movable contact c1 of the pre /
post changeover switch SW1 is via the cue switch SW2. And is supplied to a cue bus (CUE) 46.
The signal to be detected can be switched to the signal before and after the fader & ON 64 by the
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pre / post changeover switch SW1. The cue switch SW1 is on / off controlled by a cue (CUE)
switch 21d of the channel strip assigned to the input channel shown in FIG. 2, and is turned on
when the input channel is detected. Further, the fader & ON 64 is provided with an input channel
switch which is turned on / off by the channel switch 21b of the channel strip assigned to the
input channel shown in FIG. 2 to turn the input channel on / off.
[0026]
As described above, one GEQ in the equalizer 42 can be inserted into the input channel 44-1. In
the case of inserting the GEQ, the GEQ editing screen is displayed on the display 16 and the
channel into which the GEQ is inserted is set. Assuming that the set channel is the input channel
44-1, as shown in FIG. 4, the GEQ 63 is inserted between the compressor 62, which is an
insertion point in the input channel, and the fader & ON 64. That is, the output side of the
compressor 62 is connected to the INSERT OUT shown in FIG. 3 and the input side of the fader &
ON 64 is connected to the INSERT IN, whereby the GEQ 63 is inserted between the compressor
62 and the fader & ON 64 . Here, when the pre-post switch SW1 is switched to the contact a1
side and the cue switch SW2 is turned on, the signal from the inserted GEQ 63 is supplied to the
cue bus (CUE) 46, and the frequency balance is made by the GEQ 63. It becomes possible to
listen to the input channel signal which has been adjusted but before being level-controlled by
the fader & ON 64. Also, when the pre-post switch SW1 is switched to the contact b1 side and
the cue switch SW2 is turned on, the frequency balance is adjusted by the GEQ 63 and the input
channel signal level controlled by the fader & ON 64 can be listened to become.
[0027]
Next, FIG. 5 shows an example of the configuration of output channels in the MIX output channel
section 47 of 12 channels, but the configuration of the output channels of 12 channels, for
example, is the same. An output channel 47-1 shown in FIG. 5 is one of the MIX output channel
units 47, and a signal output from any of the buses of the mixing bus (MIX) 45 having 12 buses
is input, It comprises an attenuator (ATT) 70 for adjusting the level of the input signal, a 4-band
parametric equalizer (PEQ) 71 for adjusting the frequency balance of the signal, and a
compressor (COMP) 72 for compressing the signal. The signal subjected to the characteristic
control processing by these is adjusted to an arbitrary level by the fader & ON 74 and supplied to
the output patch 48. Further, signals on the input side and the output side of the fader & ON 74
are supplied to the contact a3 and the contact b3 of the pre / post changeover switch SW3. A
signal output from the movable contact c3 of the pre / post changeover switch SW3 is supplied
to the cue bus (CUE) 46 via the cue switch SW4. The signal to be detected can be switched to the
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signal before and after the fader & ON 74 by the pre / post changeover switch SW3. The cue
switch SW4 is on / off controlled by the cue (CUE) switch 21d of the channel strip assigned to
the output channel shown in FIG. 2, and is turned on when the output channel is detected.
Further, the fader & ON 74 is provided with an output channel switch which is turned on / off by
the channel switch 21b of the channel strip assigned to the output channel shown in FIG. 2 to
turn the output channel on / off.
[0028]
As described above, one GEQ in the equalizer 42 can be inserted into the output channel 47-1. In
the case of inserting the GEQ, the GEQ editing screen is displayed on the display 16 and the
channel into which the GEQ is inserted is set. Assuming that the set channel is the output channel
47-1, as shown in FIG. 5, the GEQ 73 is inserted between the compressor 72 as the insertion
point in the output channel and the fader & ON 74. That is, the output side of the compressor 72
is connected to the INSERT OUT shown in FIG. 3 and the input side of the fader & ON 74 is
connected to the INSERT IN, whereby the GEQ 73 is inserted between the compressor 72 and the
fader & ON 74 . Here, when the pre-post switch SW3 is switched to the contact a3 side to turn on
the cue switch SW4, the signal from the inserted GEQ 73 is supplied to the cue bus (CUE) 46, and
the frequency balance is made by the GEQ 73. It becomes possible to listen to the output channel
signal which has been adjusted but before being level-controlled by the fader & ON 74. Also,
when the pre-post switch SW1 is switched to the contact b3 side and the cue switch SW4 is
turned on, the frequency balance is adjusted by the GEQ 73 and the output channel signal level
controlled by the fader & ON 74 can be listened to become.
[0029]
Next, a configuration example of the monitor channel unit 52 is shown in FIG. As shown in FIG. 6,
the monitor channel unit 52 controls the CUE / MON switch 80 for switching between the
listening signal from the cue bus (CUE) 46 and the monitor signal from the monitor mixer unit
51, and controls the level of monitor output. A volume & ON 82 is provided to control the on /
off of the monitor channel. The CUE / MON changeover switch 80 is automatically switched by
DSP control. That is, switching control is performed so that only the listening signal from the cue
bus (CUE) 46 is output when the listening to any of the channels is instructed, and when any of
the channels is not instructed to the listening. Control is performed so that the monitor signal
from the monitor mixer unit 51 is output.
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[0030]
As described above, one GEQ in the equalizer 42 can be inserted into the monitor channel unit
52 as well. In the case of inserting the GEQ, the GEQ editing screen is displayed on the display 16
and the channel into which the GEQ is inserted is set. Assuming that the set channel is a monitor
channel, the GEQ 81 is inserted between the CUE / MON switch 80 and the volume & ON 82,
which are insertion points in the monitor channel unit 52, as shown in FIG. That is, the output
side of the CUE / MON changeover switch 80 is connected to the INSERT OUT shown in FIG. 3
and the input side of the volume & ON 82 is connected to the INSERT IN, so that the GEQ 81 has
the CUE / MON changeover switch 80 and the volume & ON 82 It will be inserted in between. By
inserting the GEQ 81, the operator can listen to the signal whose sound image has been cleared
by narrowing the boomy band.
[0031]
However, the signal to be listened to when listening to the signal of the output channel is subject
to both the equalizer inserted to the output channel and the equalizer inserted to the monitor
channel. Then, in the case of detecting the signal of the output channel returned to the
performer, the operator can not confirm the sound supplied to the performer as it is. Therefore,
in such a case, the GEQ 81 inserted in the monitor channel unit 52 is automatically bypassed and
invalidated. In order to automatically deactivate, the EQ automatic bypass switch 22 shown in
FIG. 2 is turned on. Then, when instructed to check out any output channel, the GEQ 81 inserted
in the monitor channel unit 52 is automatically bypassed and invalidated. However, when an
audition of any input channel is instructed, the GEQ 81 inserted in the monitor channel unit 52 is
not bypassed and is enabled. By turning on the EQ automatic bypass switch 22 in this manner, it
becomes possible to confirm the sound supplied to the performer as it is and to confirm the
quality of the signal of the input channel. . In addition, by turning off the EQ automatic bypass
switch 22, it becomes possible to listen to a signal from an output channel output to an external
effector or a recorder via the other I / O 13 with the GEQ 81 enabled.
[0032]
When the power is turned on in the digital mixer 1 according to the present invention, the
various registers and the RAM 12 are initialized, and the previous setting data is set. However, if
the setting has not been performed previously, default setting data is set. Then, when an event is
detected, “screen control task”, “panel operator control task”, “memory control task”,
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“DSP control task”, and “other control task” according to the event are executed. Next, FIG.
7 shows a flowchart of on-event processing of layer (j) SW activated when any of “master”
switch 23 to “layer 4” switch 27 provided on the panel is pressed. When one of the switches
23 to 27 is pressed to start on-event processing of the layer (j) SW, the register LN of the master
or layer corresponding to the pressed switch is the identification number in step S10. And the onevent processing of the layer (j) SW ends.
[0033]
Next, FIG. 8 shows a flowchart of an operation event process of the ch fader (i) which is activated
when any of the fader knobs 21c in the channel strips 21-1 to 21-12 is operated. When any
fader knob 21c in channel strip 21-1 to channel strip 21-12 is operated to start operation event
processing of ch fader (i), the position of fader knob 21c operated in step S11 is obtained.
Accordingly, the volume parameter of the current CH (LN, i) is changed. Next, the signal
processing unit 15 is controlled by the volume parameter changed in step S12, and the operation
event processing of the ch fader (i) is ended. Note that the current CH (LN, i) is the i-th one of the
12 channels corresponding to the master indicated by the register LN set by the on-event
processing of the layer (j) SW or any of the layers 1 to 4 Channel strip 21-i corresponds to an
input channel or an output channel to be controlled.
[0034]
Next, FIG. 9 shows a flowchart of on-event processing of CUE (i) SW which is activated when any
of the cue (CUE) switches 21 d in the channel strips 21-1 to 21-12 is pressed. The cue mode in
this case is the last cue mode described above, and either the input channel or the output
channel controlled by the cue (CUE) switch 21d pressed last is to be listened to. When one of the
cue (CUE) switches 21d in channel strip 21-1 to channel strip 21-12 is pressed, the on-event
processing of CUE (i) SW is started, and the current CH (LN, i) is activated in step S20. Is a cue
channel cc instructed to be listened to. Next, in step S21, it is determined whether or not the cue
channel cc matches the cue channel cco to which the previous audition was instructed. Here, if it
is determined that the cue channel cc and the previous cue channel cco do not match, it means
that a new channel is to be listened for, and the process proceeds to step S22 and the cue
channel cco is replaced with the cue channel cc. . Then, DSP control is performed, and the signal
from the cue bus (CUE) 46 to the monitor channel unit 52 is validated, and the monitor channel
unit 52 handles the listening signal from the cue bus (CUE) 46.
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[0035]
Then, in step S24, it is determined whether any GEQ in the equalizer 42 is inserted in the monitor
channel. Here, if it is determined that the GEQ is inserted in the monitor channel, the process
proceeds to step S25, and it is determined whether the ch (cc) to which the listening is instructed
is the output channel. Here, if ch (cc) is the queue channel cc and it is determined that ch (cc) is
the output channel, the process branches to step S27, and it is determined whether the automatic
bypass switch 22 is turned on. If it is determined that the automatic bypass switch 22 is turned
on, the process proceeds to step S28, where the GEQ inserted in the monitor channel is
invalidated. If it is determined that the automatic bypass switch 22 is not turned on, the process
branches to step S26, and the GEQ inserted in the monitor channel is validated. Further, if it is
determined in step S25 that the ch (cc) is an input channel and not an output channel, the
process proceeds to step S26 and the GEQ is validated as described above. When the process of
step S26 or the process of step S28 ends, the process proceeds to step S29. If it is determined in
step S24 that the GEQ is not inserted into the monitor channel, the process branches to step S29.
[0036]
In step S29, the self-illuminating cue (CUE) switch 21d in the channel strip 21-i to which the ch
(cc) is assigned is turned on, and the cue (CUE) switch 21d in the other channel strip is turned
off. Next, in step S30, DSP control is performed and the queue switch SW2 / SW4 is turned on,
and only the signal of the CUE point of the ch (cc) is input to the cue bus (CUE) 46, and CUE (i)
SW is turned on. Event processing ends. The CUE point signal is a signal output from the pre /
post changeover switch SW1 / SW3 in the channel (cc).
[0037]
If it is determined in step S21 that the cue channel cc matches the previous cue channel cco, the
cue (CUE) switch 21d on the same channel is pressed twice in a row, and the process branches to
step S31. Then, the cue channel cco is set to "0", and it is assumed that there is no channel for
instructing hearing detection. That is, the cue (CUE) switch 21 d is toggled, and when the cue
(CUE) switch 21 d which is turned on is further pressed, the cue (CUE) switch 21 d is turned off,
and the hearing of the corresponding channel is performed. Is released. Next, at step S32, it is
determined whether any GEQ in the equalizer 42 is inserted in the monitor channel. Here, if it is
determined that the GEQ is inserted in the monitor channel, the process branches to step S33,
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the GEQ inserted in the monitor channel is validated, and the process proceeds to step S34. If it is
determined that the GEQ is not inserted in the monitor channel, the process proceeds to step
S34, and the cue (CUE) switch 21d in the channel strip 21-i to which the ch (cc) is assigned is
turned off in step S34. Ru. Next, DSP control is performed in step S35, the signal from the cue
bus (CUE) 46 to the monitor channel unit 52 is invalidated, and the signal from the monitor
mixer unit 51 is handled in the monitor channel unit 52. (I) The on-event processing of the SW
ends.
[0038]
Execution of this CUE (i) SW on event process turns on the EQ automatic bypass switch 22 and
turns on the cue (CUE) switch 21d to instruct listening to any output channel. If it is, control is
made to invalidate the GEQ inserted in the monitor channel. In this case, the display screen may
display that the GEQ has been invalidated. An example of the display screen is shown in FIG. 11,
but in this example “Auto Bypass: Cueing Output Ch. GEQ1 is Bypassed! ", A sentence will be
displayed warning that the output channel has been audited and GEQ 1 has been bypassed.
[0039]
In addition, when the EQ automatic bypass switch 22 is turned off or no output listening
instruction is instructed, the GEQ inserted in the monitor channel is enabled. As a result, when
the signal being returned to the performer is inspected and checked, the EQ automatic bypass
switch is turned on so that the GEQ inserted in the monitor channel is automatically bypassed
and the sound supplied to the performer is It will be possible to confirm it as it is. Also, even if
the EQ automatic bypass switch 22 is turned on, the GEQ inserted in the monitor channel
becomes effective and the quality of the signal of the input channel can be confirmed when the
inspection of the input channel is performed. It will be. Furthermore, when monitoring an output
channel for inputting a signal to an external effector or recorder, the signal of the output channel
for inputting a signal to the external effector or recorder can be monitored by turning off the EQ
automatic bypass switch 22. You can enable GEQ and listen.
[0040]
Next, FIG. 10 shows an example of a GEQ editing screen displayed on the display 16 for setting to
insert the GEQ into the input channel and the output channel or monitor channel. In the GEQ
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editing screen, as shown in FIG. 10, there is a GEQ number display unit 84 in which the GEQ
number to be edited is displayed at the upper left corner of the screen, “1” is displayed and the
first GEQ is edited It is a display screen. By setting the cursor on this GEQ number display unit 84
and operating the increase / decrease key 29 or the rotary encoder 30, the GEQ number to be
edited can be set to any number (of 1 to 16). On the right of the ON / OFF indicator 85 is "ON"
which indicates that the first GEQ is ON. By setting the cursor on the on / off display unit 85 and
operating the increase / decrease key 29 or the rotary encoder 30, it is possible to set on / off of
the GEQ to be edited.
[0041]
Furthermore, an insertion display unit 86 for setting a channel into which the GEQ is to be
inserted is displayed next to the right. The insertion display section 86 displays "Monitor", which
indicates that the first GEQ is inserted in the monitor channel. By setting the cursor on this
insertion display unit 86 and operating the increase / decrease key 29 or the rotary encoder 30,
it is possible to set an input channel, an output channel, and a monitor channel into which the
GEQ is to be inserted. In this case, when any of the input channels is set, “Input xx CH” and the
input channel number are displayed on the insertion display unit 86, and when any of the output
channels is set, “insertion channel number” is displayed on the insertion display unit 86.
“Output xxCH” and the output channel number are displayed. By performing such setting for
each of 16 GEQs, GEQs can be inserted into 48 input channels, 12 output channels, and up to 16
of monitor channels.
[0042]
Further, a flat button 87 is provided at the upper center of the editing screen, and by setting the
cursor on the flat button 87 and pressing the enter key 31, the frequency characteristic of the
first GEQ can be made flat. In the middle stage of the editing screen, a frequency characteristic
display unit 88 for displaying the edited frequency characteristic is displayed. The vertical axis of
the displayed frequency characteristic is a level (dB), and the horizontal axis is a logarithmic scale
frequency. An operation unit 89 for operating a plurality of operators for editing the frequency
characteristics of the GEQ is displayed in the lower half of the editing screen. A large number of
operators are displayed on the operation unit 89 so that the level of each frequency point can be
adjusted, and the cursor is placed on each operator to operate the increase / decrease key 29 or
the rotary encoder 30, The level of the frequency corresponding to the child can be adjusted. The
level of the frequency point corresponding to the operator can also be adjusted by dragging the
operator with the pointing device.
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[0043]
Next, FIG. 12 shows a flowchart of GEQ edit button-on-event processing for displaying the GEQ
edit screen shown in FIG. 10 on the display unit 16 for editing. When the GEQ edit button
provided on the display 16 or displayed on the panel is pressed, GEQ edit button on event
processing is activated, and (step S1) the x-th GEQ (x) as shown in FIG. 10 at S40. The editing
screen of is displayed on the display 16. Next, it is determined whether or not any change
operation has been performed on the displayed GEQ editing screen. Here, if it is determined that
the change operation has been performed in any of the GEQ number display unit 84, the on / off
display unit 85, the insertion display unit 86, the flat button 87, and the operation unit 89, the
process proceeds to step S42. While the parameter change processing corresponding to the
change operation is performed, the editing screen updated according to the parameter change is
displayed, and the process proceeds to step S43. For example, when the operating element of the
operation unit 89 is moved, the level of the frequency point corresponding to the operating
element changed by the level according to the movement amount is changed, and the position of
the operating element and the level of the frequency characteristic display unit 88 Is displayed. If
it is determined that the change operation has not been performed, the process proceeds to step
S43, and it is determined whether the screen change operation has been performed. Here, if it is
determined that the screen switching operation has been performed, the GEQ edit button-onevent process is ended, and another screen is displayed on the display 16. If it is determined that
the screen switching operation has not been performed, the process returns to step S41 and the
processes of steps S41 to S43 are repeated.
[0044]
In the CUE / MON changeover switch 80, switching control may be performed by narrowing the
gain. That is, when the examination of any channel is instructed, the gain for the examination
signal from the cue bus (CUE) 46 is increased, and the gain for the monitor signal from the
monitor mixer unit 51 is decreased. As a result, switching control can be performed so that the
monitor signal can also be heard slightly when listening to the listening signal. Further, when the
examination for any channel is not instructed, the gain for the examination signal from the cue
bus (CUE) 46 is narrowed as much as possible and the gain for the monitor signal from the
monitor mixer unit 51 is increased. Thus, switching control is performed so that only the monitor
signal can be heard. These switching control is performed by the DSP. Further, the monitor mixer
unit 51 can mix and output signals of any one or more output channels. A mixed signal obtained
by mixing the signals of a plurality of output channels is output to the operator's monitor 20
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when the detection of any of the channels is not instructed.
[0045]
Furthermore, among the output channels, there are output channels for which the GEQ inserted
in the monitor channel is desired to be validated at the time of the audition, so enabling /
disabling of the GEQ inserted in the monitor channel can be set for each output channel. It is also
good. In the above description, the operation of the present invention in the last queue mode has
been described, but the present invention can be easily applied to the mix queue mode. Unlike
the last cue mode, the mix cue mode can simultaneously listen to a plurality of channels.
However, it is limited to only the input channel or the output channel at the same time, and the
output channel and the input channel can not be simultaneously listened to. Even in the Mix Cue
mode, it is possible to clearly distinguish whether the input channel or the output channel is
currently being listened to, so as in the case of the Last Cue mode, turn on the EQ automatic
bypass switch 22. By setting the GEQ inserted into the monitor channel while the output channel
is being listened to, it can be automatically bypassed and invalidated.
[0046]
In the above description, the cue bus (CUE) 46, the monitor mixer unit 51, the monitor channel
unit 52, and the monitor analog output unit (monitor A output) 53 have a stereo configuration,
and an input channel, a mixing bus (MIX) 45, an output channel Although it was described as a
monaural configuration, all these configurations can be made into a stereo configuration.
Furthermore, further configurations such as 5.1 ch and 7.1 ch can be realized in the same
manner. As described above, the mixing apparatus of the present invention can have a stereo
configuration or a multi-channel configuration.
[0047]
It is a block diagram showing composition of a digital mixer which is an example of a mixing
device of the present invention. It is a figure which shows the outline of the external appearance
of the panel in the digital mixer which is an Example of the mixing apparatus of this invention. It
is an equivalent functional block diagram with which the mixing process is performed in the
digital mixer which is an Example of the mixing apparatus of this invention. It is a figure which
shows the structural example of 1 channel of the input channel part in the digital mixer which is
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an Example of the mixing apparatus of this invention. It is a figure which shows the structural
example for 1 channel of the output channel part in the digital mixer which is an Example of the
mixing apparatus of this invention. It is a figure which shows the structural example of the
monitor channel in the digital mixer which is an Example of the mixing apparatus of this
invention. It is a flowchart of the on-event process of layer (i) SW performed in the digital mixer
which is an Example of the mixing apparatus of this invention. It is a flowchart of the operation
event process of ch fader (i) performed in the digital mixer which is an Example of the mixing
apparatus of this invention. It is a flowchart of the on-event process of CUE (i) SW performed in
the digital mixer which is an Example of the mixing apparatus of this invention. It is a figure
which shows an example of the GEQ edit screen displayed on the display in the digital mixer
which is an Example of the mixing apparatus of this invention. It is an example of the display
screen which displays that GEQ was invalidated in the digital mixer which is an Example of the
mixing apparatus of this invention on a display screen. It is a flowchart of the GEQ edit button on
event process performed in the digital mixer which is an embodiment of the mixing apparatus of
the present invention.
Explanation of sign
[0048]
Reference Signs List 1 digital mixer, 10 CPU, 11 flash memory, 12 RAM, 13 other I / O, 14
waveform I / O, 15 signal processing unit, 16 display, 17 electric fader, 18 manipulator, 19 bus,
20 for operator Monitor, 21-1 to 21-12 channel strip, 21b channel switch, 21c fader knob, 21d
cue (CUE) switch, 22 EQ automatic bypass switch, 23 to 27 switch, 28 cursor movement key, 29
increment / decrement key, 30 rotary encoder , 31 enter keys, 40 analog input ports (A input),
41 digital input ports (D input), 42 equalizers, 43 input patches, 44 input channels, 44 input
channel sections, 47 output channels, 47 output channel sections, 48 outputs Patch, 49 Log
output port unit (A output), 50 digital output port unit (D output), 51 monitor mixer unit, 51
operator monitor mixer unit, 52 monitor channel unit, 53 monitor analog output unit (monitor A
output), 60 attenuator 61 4-band PEQ, 62 compressor, 63 GEQ, 64 fader & ON, 65 send
adjustment section, 70 attenuator, 71 4-band PEQ, 72 compressor, 73 GEQ, 74 fader & ON, 80
CUE / MON switch, 81 GEQ, 82 volume & ON, 84 GEQ number display unit, 85 ON / OFF display
unit, 86 insertion display unit, 87 flat button, 88 frequency characteristic display unit, 89
operation unit, SW1, SW3 pre / post changeover switch, SW2, SW4 cue switch
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