JP2013258553A - Acoustic system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make convenient an acoustic system used in combination with a portable audio source apparatus and the like.SOLUTION: An acoustic system comprises a speaker unit 2 which reproduces and outputs voice data x transmitted by a sound source apparatus A by sound source radio communication Ta. A control unit 15 comprised in the speaker unit 2 is configured to operate the speaker unit 2 according to a unit operation command ya transmitted by a remote controller 3 by operation radio communication Tb and to operate the sound source apparatus A by use of the sound source radio communication Ta according to a sound source operation command yb transmitted by the remote controller 3 by the operation radio communication Tb in the same manner.

Description

  The present invention relates to an acoustic system used in combination with a sound source device such as an audio player or a smartphone having a player function, and more particularly to an acoustic system suitable for use in combination with a portable sound source device capable of wireless communication.

  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 Is equipped with a reproduction unit that reproduces the audio data received by the speaker and a speaker unit that outputs the audio reproduced by the reproduction unit, and controls the speaker unit according to an operation command given from the remote controller. It is related with the sound system equipped with.

Conventionally, as an acoustic system of this type, as shown in FIG. 6, an audio signal a input from a sound output terminal of a sound source device A such as a CD player or a television through a communication cable C is converted into a wireless audio signal a ′ and transmitted. A transmitter M,
While being installed in the bathroom 1, the wireless sound signal a ′ from the transmitter M is received by the sound source communication unit and reproduced by the reproduction unit, and the reproduced sound S is output from the built-in speaker into the bathroom 1. Speaker unit U;
An acoustic system including a remote controller R that operates a speaker unit U by a wireless operation signal b in a bathroom 1 has been proposed (see Patent Document 1).

JP 2008-193189 A

  However, this conventional acoustic system requires a transmitter M separately from the speaker unit U for waterproofing and installed outside the bathroom 1 and connected to the sound source device A by the communication cable C. Therefore, the system configuration is complicated. There was a problem that was not easy to use.

  Further, 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 and the reproduced sound from the speaker unit U. However, the operation of the sound source device A outside the bathroom 1 (for example, a music selection operation or a playback pause operation for the sound source device A) cannot be performed. There was a bad problem.

  In view of this situation, the main problem of the present invention is to effectively solve the above-described problems by using a rational system configuration.

The first characteristic configuration of the present invention relates to an acoustic system,
A speaker unit installed in the target room, and a remote controller for the speaker unit;
The speaker unit outputs a sound source communication unit that receives audio data sent from a sound source device, a reproduction unit that reproduces audio data received by the sound source communication unit, and a sound that is reproduced by the reproduction unit. And equipped with a speaker part to
An acoustic system equipped with a control unit for operating the speaker unit according to an operation command given from the remote controller,
The sound source communication unit is configured to receive audio data sent directly from a sound source device through sound source wireless communication and send the sound data to the playback unit,
The remote controller is configured to selectively give a unit operation command and a sound source operation command as operation commands to the control unit by wireless communication for operation,
The control unit is configured to operate the speaker unit according to the unit operation command and to operate the sound source device using the sound source wireless communication from the sound source communication unit according to the sound source operation command. In the point.

  According to this configuration, the audio data directly transmitted from the sound source device by the sound source wireless communication is received and reproduced by the speaker unit, and the reproduced sound is output from the speaker unit of the speaker unit to the target room. Adoption increases the degree of freedom of installation of each of the sound source device and the speaker unit, but does not require the installation of intervening devices such as a transmitter and a communication cable in the above-described conventional acoustic system (FIG. 6).

  Moreover, by giving the unit operation command to the control unit of the speaker unit from the remote controller by wireless communication for operation, the operation to the speaker unit can be easily performed, and similarly, the sound source operation command is similarly transmitted by wireless communication for operation. By giving to the control unit of the speaker unit from the remote controller, the sound source device can be easily operated by further effectively using the sound source wireless communication between the sound source communication unit and the sound source device in the speaker unit. .

  In these respects, according to this configuration, the acoustic system can be further improved in terms of usability as compared with the conventional acoustic system described above.

  In the implementation of this configuration, the operation of the speaker unit according to the unit operation command and the operation of the sound source device according to the sound source operation command may be any operations.

  Further, in the implementation of this configuration, various standards of wireless communication can be adopted for the sound source wireless communication and the operation wireless communication, respectively. It is desirable to employ radio-wave short-range wireless communication that can establish communication stably within a range of several meters regardless of obstacles such as walls.

The second characteristic configuration of the present invention is the above first characteristic configuration,
The control unit transmits a search radio signal from the sound source communication unit in response to a sound source registration command given by the operation radio communication from the remote controller, and receives the search radio signal from the sound source device. By returning the device information of the sound source device by the wireless communication for the sound source, as the registration process, the device information is stored in the storage unit in the speaker unit,
Thereafter, the sound source wireless communication between the sound source device and the sound source communication unit based on the device information stored in the storage unit in response to the sound source connection command given by the operation wireless communication from the remote controller Connect the communication,
In response to the sound source operation command given by the operation wireless communication from the remote controller, the sound source device is controlled using the sound source wireless communication from the sound source communication unit based on the device information stored in the storage unit. The point is that it is configured to operate.

  According to this configuration, only by giving a sound source registration command from the remote controller to the control unit of the speaker unit by operation wireless communication, the device information of the sound source device within the range where the sound source wireless communication can be performed around the speaker unit is obtained. It can be stored in the storage unit as a registration process, and the sound source device targeted for communication connection can be easily registered in the speaker unit.

  After the registration, when a sound source connection command or a sound source operation command is given from the remote controller to the control unit through operation wireless communication, the connection of the sound source device or the operation of the sound source device using the sound source wireless communication is stored in the storage unit. By being executed by the control unit based on the device information stored in the device, the communication connection operation and the operation of the sound source device can be performed easily and surely and smoothly. be able to.

  In addition, according to this configuration, in order to connect the sound source wireless communication between the sound source communication unit of the speaker unit and the sound source device, the registration process by the sound source registration command from the remote controller and the sound source connection command from the remote controller Therefore, it is possible to reliably prevent other wireless communication devices from being inadvertently connected to the speaker unit.

The third feature configuration of the present invention is the second feature configuration,
In the registration process for each of a plurality of sound source devices, the control unit stores the device information of the sound source devices in parallel in the storage unit in a state associated with an identification code,
Thereafter, in accordance with the sound source connection command given from the remote controller in a state accompanied with the designation of the identification code, the storage based on the device information stored in the storage unit in a state associated with the designated identification code The sound source wireless communication between the sound source device corresponding to the device information and the sound source communication unit is connected.

  According to this configuration, a sound source device capable of wireless communication for sound sources can register a plurality of sound source devices in the speaker unit, and any sound source device can be registered as long as the registered sound source devices. The sound source wireless communication with the sound source communication unit in the speaker unit can be easily and accurately connected by the sound source connection command accompanied by the identification code designation from the remote controller. Can be.

A fourth feature configuration of the present invention is the second or third feature configuration described above,
The control unit is configured to delete the device information of the sound source device stored in the storage unit when the set time is reached by the timer or when the set time elapses from the registration process in the timer. There is a point.

  For example, when a speaker unit is installed in a guest room of a hotel so that sound data such as music data sent from a sound source device owned by a guest can be played by the speaker unit of the guest room, Different sound source devices are registered every day, and sound source wireless communication is connected to each sound source device.

  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 in the storage unit of the speaker unit indefinitely. To prevent unforeseen communication connection with past registered sound source devices due to leakage of the device and the remaining of the device information, and to make the sound system excellent in safety and reliability in this respect Can do.

The fifth feature configuration of the present invention is any one of the first to fourth feature configurations,
The speaker unit is equipped with a report input terminal,
The control unit is configured to stop reproduction output of audio data sent from the sound source device when a report signal is input to the report input terminal.

  According to this configuration, the alarm signal output from the alarm device when the alarm device such as a fire alarm or other alarm device is operated is input to the above-mentioned notification input terminal, so that the alarm device operates. In some cases, the playback output of audio data sent from the sound source device is automatically stopped, making it easier for the user who has been listening to the playback audio to recognize the reporting operation of the reporting device. The acoustic system can be made more useful.

  In the implementation of this configuration, the report signal input to the report terminal is not limited to the report signal that is output when the fire alarm or other alarm device is activated, but is the report signal that is output from the broadcast broadcast reporter. There may be.

  Also, in the implementation of this configuration, the reproduction output of the audio data sent from the sound source device when the notification signal is input is stopped, and the notification audio signal from the notification device is reproduced and output in the speaker unit instead of the reproduction output of the audio data. You may make it do.

The sixth feature configuration of the present invention is any one of the first to fifth feature configurations,
The control unit is configured to adjust the volume of reproduced sound output from the speaker unit according to a volume adjustment command given as the unit operation command from the remote controller,
The maximum volume setting section for changing the upper limit of the volume adjustment range is provided in the remote controller or the speaker unit.

  According to this configuration, by changing the upper limit of the adjustment range of the volume adjustment in the maximum volume setting unit, the maximum volume of the reproduced sound output from the speaker unit can be limited in advance to an appropriate volume according to the surrounding situation or the like. Thus, noise troubles can be prevented in advance.

The seventh feature configuration of the present invention is any one of the first to sixth feature configurations,
When the call voice signal generated when the sound source device is used as a telephone is sent as voice data sent from the sound source device to the sound source communication unit by the sound source wireless communication, Based on the detection of the call voice signal, the output of the reproduced voice from the speaker unit is stopped, or a preset decorative voice is output from the speaker unit.

  According to this configuration, for example, when a sound source device such as a smartphone is used as a telephone while the sound data such as music data is sent from the sound source device having a telephone function to the speaker unit and is played back, It is possible to prevent an audio signal from being unexpectedly reproduced and output from the speaker unit and entering the other person's ear.

The eighth feature configuration of the present invention is any one of the first to seventh feature configurations,
The speaker unit is installed on the ceiling side of the ceiling part in an arrangement in which the speaker unit faces the target room in the ceiling part of the target room,
The speaker unit is provided with a power input terminal.

  According to this configuration, since the speaker unit is installed on the ceiling side on the ceiling side, it is not necessary to secure the installation space for the speaker unit on the indoor side, and the power line connected to the power input terminal of the speaker unit is also on the ceiling side. Thus, it is possible to prevent the indoor side from becoming complicated in installing the system.

The ninth feature configuration of the present invention is the eighth feature configuration,
The speaker unit is provided with waterproof means, and the remote controller has a waterproof structure that can be used in a bathroom.

  According to this configuration, the speaker unit can be installed on the ceiling of the bathroom, and the reproduced sound of the sound data such as music data sent from the sound source device can be heard while bathing.

  In this case, the speaker unit can be easily operated by giving a unit operation command to the control unit of the speaker unit by operating the remote controller in the bathroom, and the speaker unit can also be operated by operating the remote controller in the bathroom. A sound source operation command can be given to the control unit to easily operate a sound source device outside the bathroom, and an acoustic system that is more excellent in terms of usability in the bathroom can be obtained.

The tenth feature configuration of the present invention is any one of the first to ninth feature configurations,
The sound source wireless communication is Bluetooth (registered trademark) wireless communication.

  That is, in the wireless communication of the Bluetooth standard, a communication range having a radius of about 10 m can be stably ensured regardless of the presence of obstacles such as walls and ceilings.

  Therefore, according to the above configuration, the sound source device can be placed at an arbitrary place regardless of the presence of the wall or ceiling within a radius of about 10 m centering on the place where the speaker unit is installed. It can be a good acoustic system.

  In addition, with the Bluetooth standard wireless communication, the communication unit can be reduced in size as compared with other radio wave type short-range wireless communication, and thus the speaker unit can be reduced in size and the installation property thereof can be improved.

  In implementing this configuration, the wireless communication for the sound source is selectively switched between the Bluetooth standard wireless communication and the short-range wireless communication of other communication standards according to the sound source device to be connected. Good.

A diagram showing an installation example of an acoustic system Perspective view of speaker unit Bottom view of speaker unit Block diagram showing the system configuration of the acoustic system The figure which shows the other example of installation of the sound system Schematic showing a conventional acoustic system

  FIG. 1 shows an example in which an acoustic system used in combination with a sound source device A capable of wireless communication is installed in a bathroom 1, and this acoustic system is a speaker unit 2 installed in an embedded manner in a ceiling 1 a of the bathroom 1. And a remote controller 3 for the speaker unit 2.

  As shown in FIGS. 2 and 3, the speaker unit 2 includes a cylindrical case 2 a, and the case 2 a includes a main speaker 4 a and a bass as a speaker unit 4 that outputs the reproduced sound S toward the room of the bathroom 1. A built-in auxiliary speaker 4b and a main control plate 5 and a power supply plate 6 are incorporated.

  A power supply input terminal 8 is provided on the outer surface of the case 2a, and a terminal block 9 including an audio output terminal 9a and a notification input terminal 9b is provided. The power supply input terminal 8 is connected to the power line 7 for the ceiling wiring. The commercial AC power input from the power line 7 to the power input terminal 8 is converted into DC power having a predetermined voltage by the power supply plate 6 and then supplied to each power consuming unit in the speaker unit 2.

  On the lower surface of the case 2a, speaker holes of the speakers 4a and 4b that face the bathroom 1 in a state where the speaker unit 2 is installed on the ceiling 1a are opened, and on the lower surface of the case 2a, each speaker A makeup net 10a covering the speaker holes 4a and 4b is stretched, and a waterproof film 10b is stretched as a waterproof means for the speakers 4a and 4b. Further, the remote controller 3 can be used in the bathroom 1. It has a waterproof structure.

  Reference numeral 11 denotes a fixture for fixing the case 2a to the ceiling 1a.

  As shown in FIG. 4, the main control board 5 of the speaker unit 2 has stream-type audio data x such as music data sent from the sound source device A capable of wireless communication by the sound source wireless communication Ta as a communication unit. A sound source communication unit 12 for receiving is provided, and an operation communication unit 13 for receiving various operation commands y sent from the remote controller 3 by the operation wireless communication Tb is provided.

  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 audio signal x ′ and amplifies the electric audio signal x ′ as reproduction processing. A playback unit 14 to be sent to the speaker unit 4 and a control unit 15 for performing various operations in response to an operation command y from the remote controller 3 received by the operation communication unit 13.

  That is, in this bathroom-installed sound system, the sound data x sent from the sound source device A by the sound source wireless communication Ta is reproduced and output from the speaker unit 2 of the bathroom ceiling 1a, and the reproduced sound S is bathed in the bathroom 1. You can listen while listening.

  In this acoustic system, radio short-range wireless communication such as Bluetooth (registered trademark) standard is adopted as the sound source wireless communication Ta, while infrared short-range wireless communication such as IrDA standard is used for the operation wireless communication Tb. Wireless communication is adopted.

  That is, in this bathroom-installed sound system, a user who listens to the reproduced sound S from the speaker unit 2 in the bathroom 1 gives an operation command y by the remote controller 3 to the speaker unit 2 of the bathroom ceiling 1a. Therefore, for the operation wireless communication Tb used to give the operation command y, infrared short-range wireless communication such as IrDA standard is adopted as wireless communication suitable for such use.

  On the other hand, by adopting radio short-range wireless communication such as Bluetooth standard for the sound source wireless communication Ta, the sound source device A can be waterproofed if it is within a radius of about a few tens of meters centered on the speaker unit 2. Even when placed outside the bathroom 1, the sound source wireless communication Ta between the sound source device A and the speaker unit 2 can be established stably and satisfactorily without obstructing the wall or ceiling.

  The remote controller 3 selectively transmits a unit operation command ya to the speaker unit 2 and a sound source operation command yb to the sound source device A by a key operation by the user as operation commands y to be sent to the speaker unit 2 by the operation wireless communication Tb. In contrast, the control unit 15 in the speaker unit 2 is configured to operate the speaker unit 2 in accordance with a unit operation command ya received by the operation communication unit 13.

  In addition, 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 to set the sound source device A. It is configured to operate.

  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, and the like as the unit operation command ya, and a playback / pause command as the sound source operation command yb, A skip command, a reverse skip command, etc. are transmitted.

  In other words, when a 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 except for the always-on operation communication unit 13, and the volume from the remote controller 3. When the adjustment command is given, the volume of the reproduction sound S is adjusted by adjusting the amplification degree of the electric audio signal x ′ sent from the reproduction unit 14 to the speaker unit 4.

  When the playback / pause instruction is given from the remote controller 3, the control unit 15 performs a playback / pause operation of the sound source device A using the sound source wireless communication Ta from the sound source communication unit 12 to the sound source device A. When a skip command or reverse skip command is given from the remote controller 3, the sound source device A is skipped or reverse skipped using the sound source wireless communication Ta from the sound source communication unit 12 to the sound source device A. .

  Further, 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. By operating these pairing keys 3a, a sound source registration command and sound source The connection command is applied to the control unit 15 of the speaker unit 2.

  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 a range where the sound source wireless communication Ta with the speaker unit 2 is possible. In a situation, when one of the pairing keys 3a is pressed and operated, the sound source device A is associated with the identification code k of the pairing key 3a that is pressed and pressed (in short, the pair that is pressed and pressed) In the state associated with the ring key 3a), the speaker unit 2 can be registered.

  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 through the operation wireless communication Tb, the control unit 15 The sound source communication unit 12 transmits the search short-range wireless signal ss, and the sound source device A that has received the search short-range 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 in the speaker unit 2 in a state associated with the identification code k of the pairing key 3a that has been operated for a long press.

  This registration process can be performed for each pairing key 3a for a plurality of sound source devices A, and the control unit 15 stores the device information i of each of the plurality of sound source devices A in the storage unit 17 in parallel. Store.

  In addition, the sound source connection command is given by pressing the pairing key 3a briefly. After the above registration process, simply pressing the pairing key 3a that has already been registered, The sound source wireless communication Ta between the sound source device A and the speaker unit 2 is connected.

  Specifically, when the registration-processed pairing key 3a is pressed shortly and a sound source connection command is given from the remote controller 3 to the control unit 15 of the speaker unit 2 through the operation wireless communication Tb, the control unit 15 The device information i stored in the storage unit 17 is associated with the device information i associated with the identification code k of the pairing key 3a that has been pressed briefly (ie, the designation identification code associated with the pressing operation of the pairing key 3a). Based on this connection, the sound source device A (ie, the designated sound source device) corresponding to the stored device information i and the speaker unit 2 are connected to the sound source wireless communication Ta. Audio data x to the speaker unit 2 and operation of the designated sound source device A using the sound source wireless communication Ta.

  Note that the control unit 15 also stores stored device information of the corresponding sound source device A in the storage unit 17 when operating the sound source device A using the sound source wireless communication Ta in response to the sound source operation command yb given from the remote controller 3. The sound source device A is operated based on i.

  In addition to the above functions, the control unit 15 has the following additional functions (a) to (d).

  (A) When the reproduction output of the audio data x sent from the sound source device A in the speaker unit 2 has not been performed for the set pause time Δta over time, the operation for the always energized operation is performed on the basis of the set pause time Δta by the timer 18 The power of the speaker unit 2 excluding the communication unit 13 is automatically turned off to automatically put the speaker unit 2 into a standby state.

  (B) When the sound source device A has a telephone function such as a smartphone, the sound source device A uses the sound source wireless communication Ta as the audio data x sent from the sound source device A to the sound source communication unit 12 of the speaker unit 2. 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 Instead of the call voice, a preset decorative voice is output from the speaker unit 4.

  (C) The notification signal z transmitted when the alarm 19 such as a fire alarm is activated to the notification input terminal 9b of the terminal block 9 is input to the notification input terminal 9b of the terminal block 9, so that these notification signals When z is input, the reproduction output of the audio data x sent from the sound source device A is automatically stopped.

  (D) Adjusting the volume of the reproduction sound S output from the speaker unit 4 by adjusting the amplification degree of the electric audio signal x ′ by the reproduction unit 14 of the speaker unit 2 in accordance with the volume adjustment command given from the remote controller 3. On the other hand, the upper limit of the volume adjustment range is changed according to the setting change operation for the maximum volume setting unit 20 provided in the remote controller 3.

  FIG. 5 shows an example in which the above sound system is installed in a hotel guest room or the like. The main speaker unit 2A and the sub speaker unit 2B are embedded in the ceiling 1a ′ of the target room 1 ′ with a space therebetween. It is installed in.

  As shown in FIG. 4, the main speaker unit 2A is substantially the same in structure and function as the bathroom-mounted speaker unit 2 described above, while the sub-speaker unit 2B includes an audio input terminal 9c and a main speaker. Only the speaker unit 4 similar to the unit 2B is equipped.

  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 an audio signal line 21 wired in the back of the ceiling, and thereby reproduced by the reproduction unit 14 in the main speaker unit 2A. The processed electric audio signal x ′ is sent to the speaker unit 4 of each of the main speaker unit 2A and the sub speaker unit 2B, and the reproduced audio S is output from the two speaker units 2A and 2B into the target room 1 ′. is there.

  Then, the control unit 15 in the main speaker unit 2A, like the case of the bathroom installation described above, sends a unit operation command ya (unit) sent from the remote controller 3 to the operation communication unit 13 of the main speaker unit 2 by the operation wireless communication Tb. The main speaker unit 2A and the sub-speaker unit 2B are operated in response to an ON / OFF command, a volume adjustment command, a sound source registration command, a sound source connection command, and the like.

  Further, the control unit 15 also generates 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 through the operation wireless communication Tb. ), The sound source device A is operated using the sound source wireless communication Ta (Bluetooth standard wireless communication) between the sound source device A and the main speaker unit 2A.

  Further, in addition to the additional functions (a) to (d) described above, the control unit 15 includes the following additional functions (e) and (f) suitable for installation in a hotel room or the like. It is a thing.

  (E) The output mode of the reproduction sound S is switched between the stereo output mode and the mono output mode in response to the mode switching command given as the unit operation command ya by the operation wireless communication Tb from the remote controller 3.

  That is, in the stereo output mode, one of the main speaker unit 2A and the sub speaker unit 2B is a right speaker unit and the other is a left speaker unit, and the audio data x sent from the sound source device A through the sound source wireless communication Ta is reproduced. The sound S is output from the main speaker unit 2A and the sub speaker unit 2B in a stereo state.

  In the mono output mode, the reproduction sound S of the audio data x transmitted 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.

  (F) Based on the time measured by the timer 18, when the set time tb (for example, midnight) is reached every day (or when the set time Δtc has elapsed from the registration process in the time measured by the timer 18), the time is stored in the storage unit 17 The device information i of the sound source device A is automatically deleted.

  The acoustic system according to the present invention is not limited to a bathroom or a guest room in a hotel, but may be installed in any room such as a living room, a bedroom, a kitchen, or a child room.

  Further, the additional function provided in the control unit 15 may be appropriately selected from the additional functions (a) to (f) as necessary, such as changing according to the installation location of the system.

  In the above example, the speaker units 2, 2A, 2B are installed on the ceiling. However, the speaker units 2, 2A, 2B may be installed on a wall or a floor.

1,1 'target room 2,2A speaker unit 3 remote controller A sound source device x audio data 12 sound source communication unit 14 playback unit 4 speaker unit 15 control unit Ta wireless communication for sound source y operation command ya unit operation command yb sound source operation command Tb operation wireless communication ss search wireless signal i device information 17 storage unit k identification code 18 timer tb set time Δtc set 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 means

Claims (10)

A speaker unit installed in the target room, and a remote controller for the speaker unit;
The speaker unit outputs a sound source communication unit that receives audio data sent from a sound source device, a reproduction unit that reproduces audio data received by the sound source communication unit, and a sound that is reproduced by the reproduction unit. And equipped with a speaker part to
An acoustic system equipped with a control unit for operating the speaker unit according to an operation command given from the remote controller,
The sound source communication unit is configured to receive audio data sent directly from a sound source device through sound source wireless communication and send the sound data to the playback unit,
The remote controller is configured to selectively give a unit operation command and a sound source operation command as operation commands to the control unit by wireless communication for operation,
The control unit is configured to operate the speaker unit according to the unit operation command and to operate the sound source device using the sound source wireless communication from the sound source communication unit according to the sound source operation command. Acoustic system. The control unit transmits a search radio signal from the sound source communication unit in response to a sound source registration command given by the operation radio communication from the remote controller, and receives the search radio signal from the sound source device. By returning the device information of the sound source device by the wireless communication for the sound source, as the registration process, the device information is stored in the storage unit in the speaker unit,
Thereafter, the sound source wireless communication between the sound source device and the sound source communication unit based on the device information stored in the storage unit in response to the sound source connection command given by the operation wireless communication from the remote controller Connect the communication,
In response to the sound source operation command given by the operation wireless communication from the remote controller, the sound source device is controlled using the sound source wireless communication from the sound source communication unit based on the device information stored in the storage unit. The sound system according to claim 1, wherein the sound system is configured to be operated. In the registration process for each of a plurality of sound source devices, the control unit stores the device information of the sound source devices in parallel in the storage unit in a state associated with an identification code,
Thereafter, in accordance with the sound source connection command given from the remote controller in a state accompanied with the designation of the identification code, the storage based on the device information stored in the storage unit in a state associated with the designated identification code The sound system according to claim 2, wherein the sound source wireless communication between the sound source device corresponding to the device information and the sound source communication unit is connected.   The control unit is configured to delete the device information of the sound source device stored in the storage unit when the set time is reached by the timer or when the set time elapses from the registration process in the timer. The acoustic system according to claim 2 or 3. The speaker unit is equipped with a report input terminal,
The acoustic system according to any one of claims 1 to 4, wherein the control unit is configured to stop reproduction output of audio data sent from a sound source device when a report signal is input to the report input terminal. . The control unit is configured to adjust the volume of reproduced sound output from the speaker unit according to a volume adjustment command given as the unit operation command from the remote controller,
The acoustic system according to any one of claims 1 to 5, wherein a maximum volume setting unit for changing an upper limit of the volume adjustment range is provided in the remote controller or the speaker unit.   When the call voice signal generated when the sound source device is used as a telephone is sent as voice data sent from the sound source device to the sound source communication unit by the sound source wireless communication, 7. The system according to claim 1, wherein the output of the reproduction voice from the speaker unit is stopped based on the detection of the call voice signal, or a preset decoration voice is output from the speaker unit. The acoustic system described in 1. The speaker unit is installed on the ceiling side of the ceiling part in an arrangement in which the speaker unit faces the target room in the ceiling part of the target room,
The acoustic system according to claim 1, wherein the speaker unit is provided with a power input terminal.   The sound system according to claim 8, wherein the speaker unit is provided with waterproof means and the remote controller has a waterproof structure that can be used in a bathroom.   The acoustic system according to claim 1, wherein the sound source wireless communication is Bluetooth (registered trademark) wireless communication.

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