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JP2013258553

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DESCRIPTION JP2013258553
Abstract: To improve the usability of an audio system used in combination with a portable sound
source device or the like. SOLUTION: A control unit 15 provided with a speaker unit 2 for
reproducing and outputting audio data x sent from a sound source device A by sound source
wireless communication Ta, the control unit 15 mounted on the speaker unit 2 The speaker unit
2 is operated according to the unit operation command ya sent by the same time, and the sound
source device A is operated using the sound source radio communication Ta according to the
sound source operation command yb similarly sent from the remote controller 3 by the
operation radio communication Tb. Configure to operate. [Selected figure] Figure 4
Sound system
[0001]
The present invention relates to an audio system used in combination with a sound source device
such as an audio player and a smartphone having a player function, and more particularly to an
audio system suitable for use in combination with a portable sound source device capable of
wireless communication.
[0002]
Specifically, a speaker unit installed in a target room, and a remote controller for the speaker
unit, the speaker unit includes a sound source communication unit that receives audio data sent
from a sound source device, and the sound source communication unit A control unit that is
equipped with a reproduction unit that reproduces and processes audio data received by the
control unit and a speaker unit that outputs the sound that is reproduced by the reproduction
unit, and that operates the speaker unit according to an operation command given from a remote
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controller Audio system equipped with
[0003]
Conventionally, as this type of acoustic system, as shown in FIG. 6, an audio signal a input from
an audio output terminal of a sound source device A such as a CD player or a television through a
communication cable C is converted to a wireless audio signal a 'and transmitted. In a state
where the transmitter M is installed in the bathroom 1, the radio communication signal a ′ from
the transmitter M is received by the sound source communication unit, and the reproduction unit
performs reproduction processing, and the reproduction sound S from the built-in speaker There
has been proposed an acoustic system including a speaker unit U to be output into the bathroom
1 and a remote controller R to operate the speaker unit U with the wireless operation signal b in
the bathroom 1 (see Patent Document 1).
[0004]
Patent document 1: JP-A-2008-193189
[0005]
However, this conventional audio system requires the transmitter M to be installed outside the
bathroom 1 on a waterproof basis and connected to the sound source device A with the
communication cable C separately from the speaker unit U, so the system configuration is
complicated. There was a problem with poor usability.
[0006]
Moreover, although the speaker unit U can be easily operated in the bathroom 1 by the wireless
operation signal b from the remote controller R, the operation by the remote controller R is the
ON / OFF operation of the speaker unit U or the reproduced voice in the speaker unit U
Operation of the sound source device A located outside the bathroom 1 (for example, the music
selection operation and the playback pause operation of the reproduction music to the sound
source device A) can not be performed, and the usability is also in this respect. There was a bad
problem.
[0007]
In view of this situation, the main object of the present invention is to effectively solve the abovementioned problems by making a rational system configuration.
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[0008]
The first feature configuration of the present invention relates to an audio system, and the
feature includes a speaker unit installed in a target room, and a remote controller for the speaker
unit, and the speaker unit receives audio data sent from a sound source device. A sound source
communication unit to be received, a reproduction unit that reproduces and processes audio data
received by the sound source communication unit, and a speaker unit that outputs the sound
reproduced by the reproduction unit are provided. The sound source communication unit is
equipped with a control unit that operates the speaker unit in response to an operation
command, and the sound source communication unit receives audio data sent directly from the
sound source device by the sound source wireless communication. And the remote controller is
configured to send a unit operation command and an operation command as an operation
command. The source operation instruction is selectively applied to the control unit by the
operation wireless communication, and the control unit operates the speaker unit according to
the unit operation instruction, and the sound source communication according to the sound
source operation instruction The sound source apparatus is operated using the sound source
radio communication from the unit.
[0009]
According to this configuration, the speaker unit receives and reproduces audio data directly sent
from the sound source device by the sound source wireless communication, and the reproduced
sound is output from the speaker unit of the speaker unit into the target room. The adoption
eliminates the need for installation of intervening devices such as transmitters and
communication cables in the above-described conventional audio system (FIG. 6) while increasing
the installation freedom of each of the sound source device and the speaker unit.
[0010]
Further, in addition to easy operation of the speaker unit by giving a unit operation command to
the control unit of the speaker unit from the remote controller by wireless communication for
operation, similarly, the sound source operation command is similarly transmitted by wireless
communication for operation By providing the control unit of the speaker unit from the remote
controller, it is possible to easily operate the sound source device by further effectively using the
sound source wireless communication between the sound source communication unit and the
sound source device in the speaker unit .
[0011]
From these points, according to this configuration, it is possible to make the sound system more
excellent in usability as compared with the above-described conventional sound system and the
like.
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[0012]
In the implementation of this configuration, the operation of the speaker unit by the unit
operation command and the operation of the sound source device by the sound source operation
command may be any operation.
[0013]
In the implementation of this configuration, wireless communication of various standards can be
adopted for wireless communication for sound source and wireless communication for operation,
but for wireless communication for sound source, a radius of 10 around the speaker unit can be
used. It is desirable to employ radio near field wireless communication capable of stably
establishing communication regardless of a certain degree of obstacle such as a wall within a
range of several meters.
[0014]
According to a second feature of the present invention, in the first feature, the control unit
receives a search radio signal from the sound source communication unit in response to a sound
source registration command given by the operation wireless communication from the remote
controller. The transmitting device information is stored in the storage unit of the speaker unit as
a registration process by causing the sound source device which has received the search radio
signal to send back the device information of the sound source device by the sound source
wireless communication. After that, according to the sound source connection command given by
the wireless communication for operation from the remote controller, based on the device
information stored in the storage unit, for the sound source between the sound source device and
the sound source communication unit According to the sound source operation command given
by wireless communication for operation from the remote controller while connecting wireless
communication. Based on the stored device information to the serial storage unit lies in that is
the structure for operating the sound source device using the sound source wireless
communication from the sound source communication unit.
[0015]
According to this configuration, only by applying the sound source registration command to the
control unit of the speaker unit from the remote controller by the operation wireless
communication, the device information of the sound source devices within the range where the
wireless communication for sound source can be performed around the speaker unit The
registration processing can be stored in the storage unit, and the sound source device to be
subjected to communication connection can be easily registered in the speaker unit.
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[0016]
In addition, after this registration, when a sound source connection command or a sound source
operation command is given from the remote controller to the control unit by wireless
communication for operation, the operation of the sound source device using communication
connection operation for the sound source device or wireless communication for sound source Is
performed by the control unit based on the device information stored in the unit, so that the
communication connection operation and the operation of the sound source device can be
performed simply and reliably and smoothly. be able to.
[0017]
Moreover, according to this configuration, although the sound source wireless communication is
connected between the sound source communication unit of the speaker unit and the sound
source device, the registration processing by the sound source registration command from the
remote controller and the sound source connection command from the remote controller Since it
is necessary to carry out the communication connection process by means of the above, it is
possible to reliably prevent the unexpected wireless connection of the other wireless
communication device to the speaker unit.
[0018]
A third feature of the present invention is the method according to the second feature, wherein
the control unit performs, in the registration processing for each of the plurality of sound source
devices, the device information of the sound source devices in parallel in an associated state with
an identification code. It is stored in the storage unit, and then stored in the storage unit in a
state associated with the designated identification code according to the sound source connection
command given from the remote controller in the state accompanied by the designation of an
identification code The configuration is such that the sound source wireless communication is
connected between the sound source device corresponding to the storage device information and
the sound source communication unit based on the device information.
[0019]
According to this configuration, a plurality of sound source devices can be registered in the
speaker unit if it is a sound source device capable of wireless communication for sound source,
and any sound source device can be registered as long as those sound source devices are
registered. The sound source wireless communication with the sound source communication unit
in the speaker unit can be connected simply and accurately by the sound source connection
command accompanied by identification code specification from the remote controller, thereby
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further improving the usability of the audio system Can be
[0020]
A fourth feature of the present invention is the method according to the second or third feature,
wherein the control unit reaches a set point in timekeeping by a timer or when a set time has
elapsed from the registration process in timekeeping by a timer. The device information of the
sound source device stored in the storage unit is erased.
[0021]
For example, when a speaker unit is installed in a guest room of a hotel and audio data such as
music data sent from a sound source device owned by a guest can be reproduced by the speaker
unit in the guest room, for example, In this case, different sound source devices are registered
daily and wireless communication for sound source is connected with each sound source device.
[0022]
In such a case, according to the above configuration, the device information of the sound source
device registered in the past can be automatically prevented from remaining indefinitely in the
storage unit of the speaker unit, and personal information due to the remaining device
information Sound system that can reliably prevent leaks of the equipment and unforeseen
communication connection with registered sound source equipment in the past caused by
residual equipment information, and in this respect it is possible to make the sound system
excellent in safety and reliability. Can.
[0023]
According to a fifth aspect of the present invention, in any one of the first to fourth features, the
speaker unit is equipped with a notification input terminal, and the control unit is configured to
input a notification signal to the notification input terminal. The point is that the reproduction
output of the audio data sent from the sound source device is stopped.
[0024]
According to this configuration, when a notification signal such as a fire alarm or other alarm is
activated, the notification signal output from the notification is input to the notification input
terminal, whereby the operation of the notification alarm is performed. Sometimes, the playback
output of audio data sent from the sound source device is automatically stopped so that the user
who has been listening to the playback audio can be made more easily aware of the notification
operation of the alarm device, The acoustic system can be made more useful.
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[0025]
In the implementation of this configuration, the report signal input to the report terminal is not
limited to the report signal output when the fire alarm or other alarm is activated, and is a report
signal etc. output from the broadcast apparatus for simultaneous broadcasting. It may be.
[0026]
In addition, in the implementation of this configuration, the reproduction output of the audio
data sent from the sound source device is stopped when the notification signal is input, and
instead of the reproduction output of the audio data, the notification audio signal from the
informing device is reproduced and output in the speaker unit You may do it.
[0027]
A sixth aspect of the present invention is the control system according to any one of the first to
fifth aspects, wherein the control unit is configured to assign a volume of reproduction audio
output from the speaker unit as the unit operation command from the remote controller. The
configuration is such that adjustment is performed according to an adjustment command, and a
maximum volume setting unit that changes the adjustment range upper limit of the volume
adjustment is provided in the remote controller or the speaker unit.
[0028]
According to this configuration, by changing the adjustment range upper limit of the volume
adjustment in the maximum volume setting unit, the maximum volume of the reproduction sound
output from the speaker unit can be limited in advance to an appropriate volume according to
the surrounding conditions and the like. This can prevent noise problems in advance.
[0029]
A seventh aspect according to the present invention is the sound source apparatus according to
any one of the first to the sixth aspects, wherein the control unit transmits sound data
transmitted from the sound source device to the sound source communication unit by the sound
source wireless communication. When the call voice signal generated in use as a telephone is
sent, the output of the reproduction voice from the speaker unit is stopped based on the
detection of the call voice signal by the call detection unit, or the decoration voice set in advance
is set. Is output from the speaker unit.
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[0030]
According to this configuration, for example, when the sound source device is used as a
telephone while sending sound data such as music data to the speaker unit from a sound source
device having a telephone function such as a smartphone and the like, the telephone call It is
possible to prevent the voice signal from being unexpectedly reproduced and output from the
speaker unit and the contents of the call from getting into the ear of another person.
[0031]
In an eighth aspect of the present invention according to any one of the first to the seventh
aspects, the speaker unit is disposed on the back side of the ceiling of the ceiling in a
configuration where the speaker is exposed to the floor in the ceiling of the target room. It is
installed, and the speaker unit has a power input terminal.
[0032]
According to this configuration, since the speaker unit is installed on the ceiling and behind the
ceiling, there is no need to secure the installation space of the speaker unit on the indoor side,
and the power supply line connected to the power input terminal of the speaker unit Thus, it is
possible to prevent the indoor side from becoming complicated in the installation of the system.
[0033]
A ninth characterizing feature of the present invention is that, in the eighth characterizing
feature, the speaker unit is provided with waterproofing means, and the remote controller is
made waterproof so that it can be used in a bathroom.
[0034]
According to this configuration, the speaker unit can be installed on the ceiling of the bathroom,
and the user can listen to the reproduced sound of audio data such as music data sent from the
sound source device while bathing.
[0035]
In that case, by operating the remote controller in the bathroom, a unit operation command can
be given to the control unit of the speaker unit to easily operate the speaker unit, and the
speaker unit can be operated similarly by operating the remote controller in the bathroom A
sound source operation command can be given to the control unit of the control unit to operate
the sound source device outside the bathroom easily, and the sound system can be made more
excellent in terms of usability in the bathroom.
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[0036]
A tenth characterizing feature of the present invention is that in any one of the first to ninth
characterizing features, the wireless communication for sound source is a wireless
communication of Bluetooth (registered trademark) standard.
[0037]
That is, in the wireless communication of the Bluetooth standard, it is generally possible to stably
secure a communication range of about 10 m in radius regardless of the presence of an obstacle
such as a wall or a ceiling.
[0038]
Therefore, according to the above configuration, the sound source device can be placed at any
place regardless of the presence of a wall or a ceiling within a range of about 10 m in radius
centering on the installation place of the speaker unit. It can be a good acoustic system.
[0039]
Further, in the case of wireless communication according to the Bluetooth standard, the
communication unit can be miniaturized as compared with other short distance wireless
communication of radio wave type, whereby the speaker unit can be miniaturized and the
installation thereof can be enhanced.
[0040]
In this embodiment, the wireless communication for sound source is selectively switched
between the wireless communication of Bluetooth standard and the short-distance wireless
communication of other communication standard according to the sound source device to be
connected. Good.
[0041]
A diagram showing an installation example of an acoustic system A perspective view of a speaker
unit A bottom view of a speaker unit A block diagram showing a system configuration of an
acoustic system A diagram showing another installation example of an acoustic system A
schematic diagram showing a conventional acoustic system
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[0042]
FIG. 1 shows an example in which a sound system to be used in combination with a sound source
device A capable of wireless communication is installed in a bathroom 1, and this sound system
is a speaker unit 2 installed in an embedded manner in a ceiling portion 1a of the bathroom 1.
And the remote controller 3 for the speaker unit 2.
[0043]
As shown in FIG. 2 and FIG. 3, the speaker unit 2 is provided with a cylindrical case 2a, and the
case 2a is used as a main speaker 4a as a speaker unit 4 for outputting reproduced sound S
toward the room of the bathroom 1 And the main control plate 5 and the power supply plate 6
are incorporated.
[0044]
A terminal block 9 having a power input terminal 8 and a voice output terminal 9a and a report
input terminal 9b is provided on the outer surface of the case 2a, and the power input terminal 8
is connected to the power line 7 of the ceiling back wiring. The commercial AC power input from
the power supply line 7 to the power supply input terminal 8 is converted into DC power of a
predetermined voltage in the power supply plate 6 and then supplied to each power
consumption unit in the speaker unit 2.
[0045]
On the lower surface of the case 2a, the speaker holes of the speakers 4a and 4b facing the
inside of the bathroom 1 in the state where the speaker unit 2 is installed on the ceiling 1a are
opened. A stretchable net 10a covering the speaker holes 4a and 4b is stretched, and a
waterproof film 10b is stretched as a waterproofing means for the speakers 4a and 4b.
Furthermore, the remote controller 3 can be used in the bathroom 1 Waterproof structure.
[0046]
11 is a fixing tool for fixing the case 2a to the ceiling 1a.
[0047]
As shown in FIG. 4, the main control plate 5 of the speaker unit 2 as a communication unit
includes stream type audio data x such as music data sent from the sound source device A
capable of wireless communication by the wireless communication Ta for sound source. A sound
source communication unit 12 to receive is provided, and an operation communication unit 13 to
receive various operation commands y sent from the remote controller 3 by the operation
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wireless communication Tb is provided.
[0048]
Further, the main control board 5 converts the audio data x from the sound source device A
received by the sound source communication unit 12 into an electric sound signal x ′ as a
reproduction process, and amplifies the electric sound signal x ′. A playback unit 14 to send to
the speaker unit 4 and a control unit 15 that executes various operations in accordance with the
operation command y from the remote controller 3 received by the operation communication
unit 13 are provided.
[0049]
That is, in this acoustic system installed in the bathroom, the reproduced voice S is bathed in the
bathroom 1 by reproducing and outputting the audio data x transmitted from the sound source
device A by the wireless communication Ta for sound source from the speaker unit 2 of the
bathroom ceiling 1a. I have made it possible to listen while.
[0050]
Then, in this acoustic system, radio wave short distance wireless communication such as
Bluetooth (registered trademark) standard is adopted as sound source wireless communication
Ta, while infrared short distance such as IrDA standard or the like for operation wireless
communication Tb. Wireless communication is adopted.
[0051]
That is, in the sound system installed in the bathroom, the user who listens to the reproduction
sound S from the speaker unit 2 in the bathroom 1 applies the operation command y by the
remote controller 3 to the speaker unit 2 in the bathroom ceiling 1a. Therefore, infrared wireless
near-field wireless communication such as IrDA standard is adopted as the wireless
communication suitable for such an application in the operation wireless communication Tb used
for giving the operation command y.
[0052]
On the other hand, by adopting radio wave type short distance wireless communication such as
Bluetooth standard for sound source radio communication Ta, the sound source device A is
waterproofed within a range of about several tens of meters around the speaker unit 2 Even in
the state of being placed outside the bathroom 1, the sound source wireless communication Ta
between the sound source device A and the speaker unit 2 can be stably and favorably
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established without disturbing the wall or the ceiling.
[0053]
The remote controller 3 selectively transmits a unit operation command ya for the speaker unit 2
and a sound source operation command yb for the sound source device A as an operation
command y to be sent to the speaker unit 2 by the operation wireless communication Tb by key
operation by the user. On the other hand, the control unit 15 in the speaker unit 2 operates the
speaker unit 2 in accordance with the unit operation command ya received by the operation
communication unit 13.
[0054]
Further, the control unit 15 uses the sound source wireless communication Ta between the
sound source device A and the sound source communication unit 12 in accordance with the
sound source operation command yb received by the operation communication unit 13. It is
configured to operate.
[0055]
Specifically, the remote controller 3 transmits a unit ON / OFF command, a volume adjustment
command, a sound source registration command, a sound source connection command, etc. as a
unit operation command ya, and a play / pause command as a sound source operation command
yb A skip command, a reverse skip command, etc. are transmitted.
[0056]
That is, when the unit ON / OFF command is given from the remote controller 3, the control unit
15 turns on / off the power of the speaker unit 2 excluding the constantly energized operation
communication unit 13, and the volume from the remote controller 3 When the adjustment
command is given, the amplification degree of the electric sound signal x ′ to be sent from the
reproduction unit 14 to the speaker unit 4 is adjusted to adjust the volume of the reproduction
sound S.
[0057]
In addition, when a reproduction / pause command is given from the remote controller 3, the
control unit 15 performs the playback / pause operation of the sound source device A using the
sound source radio communication Ta from the sound source communication unit 12 to the
sound source device A. When the skip command or the reverse skip command is given from the
remote controller 3, the sound source device A skip operation or reverse skip operation is
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performed using the sound source radio communication Ta from the sound source
communication unit 12 to the sound source device A. .
[0058]
Furthermore, the remote controller 3 is equipped with a plurality of pairing keys 3a associated
with different identification codes k as operation keys for registration and connection, and the
operation of the pairing keys 3a causes a sound source registration command and a sound
source A connection command is given to the control unit 15 of the speaker unit 2.
[0059]
Then, the sound source registration command is given by long pressing the pairing key 3a, and
there is a sound source device A in a searchable state within the range where the sound source
radio communication Ta with the speaker unit 2 is possible. In the situation, by pressing and
holding any pairing key 3a, the sound source device A is associated with the identification code k
of the pairing key 3a that has been long-pressed (in short, the pair pressed and operated) The
speaker unit 2 can be registered in a state of being associated with the ring key 3a.
[0060]
Specifically, when one of the pairing keys 3a is pressed and operated and the sound source
registration command is given from the remote controller 3 to the control unit 15 of the speaker
unit 2 by the operation wireless communication Tb, the control unit 15 The sound source
communication unit 12 transmits the search short-distance wireless signal ss, and the sound
source device A that receives the search short-distance wireless signal ss returns the device
information i of the sound source device A through the sound source wireless communication Ta.
Thus, as a registration process, the returned device information i is stored in the storage unit 17
of the speaker unit 2 in a state where it is associated with the identification code k of the pairing
key 3a that has been long pressed.
[0061]
The registration process can be performed for each of the plurality of sound source devices A for
each pairing key 3a, and the control unit 15 stores the device information i of each of the
plurality of sound source devices A subjected to the registration process in parallel in the storage
unit 17. Store.
[0062]
Also, the sound source connection command is given by pressing the pairing key 3a for a short
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time, and after the above registration process, it is only necessary to press the pairing key 3a for
which registration process has been performed for a short time. The wireless communication Ta
for sound source between the sound source device A and the speaker unit 2 is connected.
[0063]
Specifically, when the pairing key 3a for which the registration process has been performed is
pressed short and the sound source connection command is given from the remote controller 3
to the control unit 15 of the speaker unit 2 by the operation wireless communication Tb, the
control unit 15 Among the device information i stored in the storage unit 17, the device code i
associated with the identification code k of the pairing key 3a (ie, the designated identification
code associated with the pressing operation of the pairing key 3a) Based on the sound source
device A (that is, the designated sound source device) corresponding to the storage device
information i and the speaker unit 2, the sound source wireless communication Ta is connected,
and the designated sound source device A is connected by this connection. To the speaker unit 2
and the operation of the designated sound source device A using the sound source wireless
communication Ta.
[0064]
The control unit 15 stores the stored device information of the corresponding sound source
device A in the storage unit 17 even when the sound source device A is operated using the sound
source wireless communication Ta according to the sound source operation command yb given
from the remote controller 3 The sound source device A is operated based on i.
[0065]
Further, the control unit 15 is provided with the following additional functions (i) to (ii) in
addition to the above-described functions.
[0066]
(A) When the reproduction output of the audio data x sent from the sound source device A in the
speaker unit 2 is not performed for the set pause time Δta over time, based on the counting
pause of the set pause time Δta by the timer 18, The power supply of the speaker unit 2
excluding the communication unit 13 is automatically turned off to put the speaker unit 2 in the
standby state automatically.
[0067]
(B) When the sound source device A has a telephone function such as a smartphone, the sound
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source device A can be used as the voice data x sent from the sound source device A to the sound
source communication unit 12 of the speaker unit 2 by the sound source wireless
communication Ta. When a call voice signal generated by use as a telephone is sent, the output
of the reproduced voice S from the speaker unit 4 is automatically stopped based on the
detection of the call voice signal by the call detection unit 15a, or A decoration voice set in
advance is output from the speaker unit 4 in place of the call voice.
[0068]
(C) A notification signal z transmitted from the notification device 19 such as a fire alarm when
the alarm notification is activated to the notification input terminal 9b in the terminal block 9 is
input to the notification input terminal 9b in the terminal block 9, thereby providing notification
signals When z is input, the reproduction output of the audio data x sent from the sound source
device A is automatically stopped.
[0069]
(D) Adjusting the amplification degree of the electric audio signal x 'in the reproduction unit 14
of the speaker unit 2 in accordance with the volume adjustment command given from the remote
controller 3 and adjusting the volume of the reproduction sound S output from the speaker unit
4 On the other hand, the adjustment range upper limit of the volume adjustment is changed
according to the setting change operation for the maximum volume setting unit 20 provided in
the remote controller 3.
[0070]
FIG. 5 shows an example in which the above-mentioned sound system is installed in a hotel room
or the like, and the main speaker unit 2A and the sub speaker unit 2B are embedded in the
ceiling portion 1a 'of the target room 1' with an interval. It has been installed.
[0071]
As shown in FIG. 4 above, the main speaker unit 2A is substantially the same in structure and
function as the above-described speaker unit 2 in a bathroom, while the sub speaker unit 2B
includes an audio input terminal 9c and a main speaker Only the speaker part 4 similar to the
unit 2B is equipped.
[0072]
The audio output terminal 9a of the main speaker unit 2A and the audio input terminal 9c of the
sub-speaker unit 2B are connected by the audio signal line 21 wired in the back of the ceiling,
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whereby the reproduction unit 14 in the main speaker unit 2A reproduces The processed electric
sound signal x 'is sent to the speaker units 4 of the main speaker unit 2A and the sub speaker
unit 2B, and the reproduction sound S is output from the two speaker units 2A and 2B into the
target room 1'. is there.
[0073]
Then, the control unit 15 in the main speaker unit 2A transmits a unit operation command ya
(unit (s) to the operation communication unit 13 of the main speaker unit 2 by the operation
wireless communication Tb from the remote controller 3 as in the bathroom installation
described above. The main speaker unit 2A and the sub speaker unit 2B are operated according
to the ON / OFF command, the volume adjustment command, the sound source registration
command, the sound source connection command, and the like.
[0074]
In addition, the control unit 15 also transmits a sound source operation command yb (play /
pause command, skip command, reverse skip command, etc.) sent from the remote controller 3
to the operation communication unit 13 of the main speaker unit 2 by the operation wireless
communication Tb. According to the above, the sound source device A is operated using the
wireless communication for sound source Ta (wireless communication of Bluetooth standard)
between the sound source device A and the main speaker unit 2A.
[0075]
Furthermore, in addition to the above-described additional functions (A) to (D), this control unit
15 also has the following (E) and (E) additional functions suitable for installation in a hotel room
or the like of a hotel. It is a thing.
[0076]
(E) The output mode of the reproduction sound S is switched between the stereo output mode
and the mono output mode in accordance with the mode switching command given as the unit
operation command ya by the operation wireless communication Tb from the remote controller
3.
[0077]
That is, in the stereo output mode, one of the main speaker unit 2A and the sub speaker unit 2B
is the right speaker unit, and the other is the left speaker unit. The reproduction of the audio data
x sent from the sound source device A by the wireless communication Ta for sound source The
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sound S is output from the main speaker unit 2A and the sub speaker unit 2B in a stereo state.
[0078]
Further, in the mono output mode, the reproduced sound S of the audio data x sent from the
sound source device A through the sound source wireless communication Ta is output in a mono
state from each of the main speaker unit 2A and the sub speaker unit 2B.
[0079]
(F) Based on clocking by the timer 18, store in the storage unit 17 every day at the set time point
tb (for example, at midnight) (or when the set time Δtc has elapsed from the registration process
at clocking by the timer 18) The device information i of the sound source device A is
automatically erased.
[0080]
The sound system according to the present invention may be installed in any room such as a
living room or a bedroom of a general residence, a kitchen or a children's room, as well as a
bathroom or a hotel room.
[0081]
In addition, the additional functions provided to the control unit 15 may be changed according to
the installation location of the system, or the like may be appropriately selected from the
additional functions (i) to (ii) as needed.
[0082]
In the above example, the speaker units 2, 2A, 2B are installed on the ceiling, but the speaker
units 2, 2A, 2B may be installed on a wall or floor.
[0083]
1, 1 ′ target room 2, 2A speaker unit 3 remote controller A sound source device x sound data
12 sound source communication unit 14 playback unit 4 speaker unit 15 control unit Ta sound
source wireless communication y operation command ya unit operation command yb sound
source operation command Tb Wireless communication for operation ss Wireless signal for
search i Device information 17 Storage unit k Identification code 18 Timer tb setting time Δtc
setting time 9b Report input terminal z Report signal x 'Electric voice signal 20 Maximum volume
setting unit 15a Call detection unit 1a, 1a ′ Ceiling 8 Power input terminal 10b Waterproof
10-05-2019
17
means
10-05-2019
18
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