KR20100041279A - System for wireless audio in home and control method therefor - Google Patents

Abstract

PURPOSE: A system for a wireless audio in home and a control method thereof are provided to remove an additional audio system by transmitting a sound source data to an electronic appliance and a wireless gateway through a wireless LAN. CONSTITUTION: One or more speaker is buried into the ceiling. The speaker outputs sound according to an acoustic signal. A wireless gateway(200) decodes sound data received through the wireless LAN. The wireless gateway transmits the decoded sound data to the speaker. A terminal(100) at the home transmits streaming sound data from a mobile network and sound data stored in a sound source replay to a wireless gateway.

Description

Indoor wireless audio system and control method therefor {system for wireless audio in home and control method therefor}

The present invention relates to an indoor wireless audio system and a control method thereof. More specifically, since a plurality of speakers are embedded in a ceiling of a home theater system, a subscriber purchases a separate speaker when building a home theater system. No need to build a separate audio system to build a home theater system because the home terminal wirelessly transmits sound source data to an output home appliance or a wireless gateway through a wireless local area network and a Wi-Fi network. The cost can be reduced, and each speaker built as a home theater system is embedded in the ceiling to improve the space usage efficiency in the home environment, and to control the loudness or diaphragm direction of each speaker according to the location of the subscriber. So that you can get optimal The present invention relates to an indoor wireless audio system and a method of controlling the same so that sound quality can be provided and the sound can be controlled to be output only to an area where a subscriber is located.

Today, various home theater systems have been developed and marketed due to the increase in social income and the increasing interest in personal hobbies.

A home theater system generally refers to a device and an installation environment that can be built to enjoy the sound and video at home, and is composed of an AV source device, an AV receiver, a speaker, and a video device, and the AV receiver is the center of the home theater. AV receivers are classified according to the output and fidelity of the built-in surround digital signal processor (DSP) and the built-in amplifier.

Home theater systems have evolved along with surround technology, with the main technologies being the selection and output of audio and video from source devices, decoding and amplifying surround sound.

On the other hand, 5.1 channel speaker developed by the development of the surround technology, the front speaker located on the left and right sides of the user, the rear speaker located on the left and right sides of the rear, the woofer speaker that reproduces the bass, the front center of the user It consists of a center speaker located at.

Here, the front speakers play music and effects, the center speaker plays a human voice, the rear speakers play effects and background, and the woofer plays bass.

In addition, the trend of wireless home theater system has recently appeared, which uses wireless communication technology such as WI-FI (Wireless Internet Platform for Interoperability) or Bluetooth (Wi-Fi). By doing so, it is possible to avoid cumbersome wire connection.

Currently, the home theater system is constructed after the subscriber (consumer) checks the function and installation form of the home theater system that is displayed and purchases it and installs it in the home.

Therefore, the subscriber who wants to purchase a home theater system needs to build a home theater system reflecting the available space in the home, and thus is limited to the construction environment.

That is, in the case where the available space of the home is small, the subscriber does not have a space to place the five speakers of the home theater system, and thus, the home theater system may not be constructed or the choice of the home theater system is limited.

In addition, since the system construction cost of the home theater system is expensive, many subscribers are limited in purchasing the home theater system in terms of cost.

Therefore, a home wireless audio system that can reduce the construction cost of the home theater system and the system cost that is not limited to the available home space should be developed.

The present invention has been proposed to meet the above-mentioned needs, and provides a wireless audio system and a control method for an indoor wireless audio system that can reduce the system construction cost by installing a plurality of speakers embedded in a ceiling for building a home theater system. Its purpose is to.

In addition, the present invention is an indoor wireless audio system that can reduce the system construction cost by transmitting the sound source data to an output home appliance or a wireless gateway wirelessly through the home terminal (including PSP, NDS, etc.) through a wireless local area network and Wi-Fi network And a control method thereof.

Another object of the present invention is to provide an indoor wireless audio system and a method of controlling the same, which can improve space use efficiency in a home environment by embedding each speaker built in a home theater system in a ceiling.

In addition, the present invention can be provided to the optimum sound quality regardless of the current position of the subscriber by controlling the sound intensity or the direction of the diaphragm of each speaker according to the position of the subscriber, the sound is output only to the region where the subscriber is located. An object of the present invention is to provide an indoor wireless audio system and a control method thereof.

The indoor wireless audio system according to an aspect of the present invention is embedded in the ceiling of the indoor environment, at least one speaker for outputting sound in accordance with the sound signal, and the sound source data received through the wireless local area network to decode the processing A wireless gateway for transmitting to each speaker, and the indoor terminal for transmitting the sound source data streamed from the server connected via the wireless network or the sound source data stored in the sound source playback device to the wireless gateway.

The indoor terminal decodes the sound source data and transmits the sound source data to at least one or more types of output home appliances through the wireless network.

The output home appliance includes at least one of a television, a wall pad or an audio system, and includes a communication dongle capable of receiving the sound source data via the wireless network.

When the remote control mode is set, the indoor terminal transmits a control signal corresponding to the input information through an infrared communication method.

The indoor terminal of the indoor wireless audio system according to another aspect of the present invention, an infrared transmitter for transmitting a control signal by an infrared communication method, connected to a sound source providing server through a wireless network, or outputs the sound source data through the wireless network Network interface unit for transmitting to home appliances, a communication network interface unit for transmitting sound source data to a wireless gateway for transmitting sound signals to at least one speaker through a wireless local area network, a battery for supplying driving power and PMIC (power management) IC), an audio codec unit for decoding the sound source data, a keypad unit implemented with a plurality of numeric keys and function keys, a display unit implemented with a touch screen method for outputting image information, and a remote controller mode. Control corresponding to the input information input by the keypad part Outputs a signal through the infrared transmitter, streams from the sound source providing server, or transmits sound source data provided from a sound source reproducing apparatus to the wireless gateway through the communication network interface unit, or decodes through the audio codec unit to output the signal. It includes a central control unit for transmitting to home appliances.

According to another aspect of the present invention, a wireless gateway of an in-house wireless audio system includes a wireless receiving unit for receiving sound data from an indoor terminal through a wireless local area network, an audio codec unit for decoding the sound source data, and the indoor terminal. A positioning unit for determining a location of the home, and a central processing unit for decoding the sound source data through the audio codec unit and transmits to each speaker through a plurality of amplifiers.

The central processing unit may include a sound processing unit for adjusting the location information of each speaker and the control information for each location and the strength of the sound signal transmitted to the speaker or the diaphragm direction of the speaker based on the location of the home.

The sound processor controls the sound intensity output from the speaker on the indoor location and the sound intensity around the indoor location differently, or adjusts the diaphragm direction so that the diaphragm of the peripheral speaker is directed to the indoor location.

According to another aspect of the present invention, there is provided a control method of an indoor wireless audio system, the method comprising: receiving sound source data from a sound source playback device connected through an interface means, and streaming from a sound source providing server connected through a wireless network; Downloading the sound source data, checking the sound source output mode, and decoding the sound source data and transmitting the sound source data to the output home appliance, if the home appliance mode, and if the sound source output mode is the wireless output mode, Transmitting to a wireless gateway through a local area network, decoding the sound source data by the wireless gateway, transmitting the data to each speaker, and identifying the location of the indoor terminal of the indoor terminal by the wireless gateway; Location information and location-specific control information, And adjusting the intensity of the acoustic signal transmitted to the speaker or the diaphragm direction of the speaker based on the location of the home.

The control method of the indoor wireless audio system may further include transmitting, by an infrared communication method, a control signal corresponding to input information input to the keypad unit when the indoor terminal is set to a remote controller mode.

The step of determining the location of the home, the wireless gateway attaches a location sensor to the indoor terminal, to determine the location of the home based on the location sensor, or based on the direction of the received sound source data and the signal strength Know your home location.

In the control method of the indoor wireless audio system, the sound intensity output from the speaker is controlled differently from the sound intensity output from the speaker on the indoor location and the sound intensity around the indoor location, or the diaphragm direction is moved to the indoor location. Adjust the diaphragm direction so that the diaphragm faces.

According to the present invention as described above, since a plurality of speakers for building the home theater system is embedded in the ceiling, the subscriber does not need to purchase a separate speaker when building the home theater system, thereby reducing the system construction cost.

In addition, according to the present invention, since the indoor terminal wirelessly transmits the sound source data to the output home appliance or the wireless gateway through the wireless local area network and the Wi-Fi network, it is necessary to establish a separate audio system for building a home theater system. none.

In addition, according to the present invention, since each speaker constructed as a home theater system is embedded in the ceiling, space use efficiency may be improved in a home environment.

According to the present invention, by controlling the sound intensity or the direction of the diaphragm of each speaker according to the position of the subscriber can be provided the optimum sound quality regardless of the current position of the subscriber, the sound is output only to the region where the subscriber is located. Can be.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an indoor wireless audio system and a control method thereof according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings, and the detailed description thereof will be omitted.

1 is a block diagram illustrating a home in which a wireless audio system according to the present invention is constructed.

Referring to FIG. 1, an indoor wireless audio system according to the present invention includes a plurality of speakers 300, a wireless gateway 200, various types of home appliances, and an indoor terminal 100. ) (Including PSP, NDS, etc.) is connected to a sound source providing server 600 that provides various types of sound source data through a wireless network, for example, a WI-PI network.

A plurality of speakers 300 are embedded in the ceiling of the home, and each speaker 300 is connected to the wireless gateway 200.

The wireless gateway 200 is connected to the indoor terminal 100 through a wireless local area network (eg, Bluetooth, Zigbee, infrared communication, etc.).

The output home appliance 500 may be a home appliance capable of outputting an image or sound, for example, a television, a wall pad, an audio system, etc., and includes a communication dongle 510. Then, the video or sound information received from the indoor terminal 100 is output.

The sound source reproducing apparatus 400 may be a device capable of storing and reproducing sound source data, for example, an MP3, a PMP, a PDA or a mobile phone, and provides the stored sound source data to the indoor terminal 100.

The sound source providing server 600 is operated by a sound source supplier, for example, a radio station, a broadcasting station, or a private sound source company, and streams sound source data selected from the indoor terminal 100 connected through a wireless network, for example, a Wi-Fi network. It transmits to the indoor terminal 100 in a manner.

2A and 2B are diagrams for explaining a data transmission flow of an indoor wireless audio system according to the present invention.

Referring to FIG. 2A, when the indoor terminal 100 is interfaced with the sound source playback device 400 (eg, USB), the sound source data selected by the subscriber from the sound source data stored in the sound source playback device 400. Receives and transmits to the wireless gateway 200 or the output home appliance (500).

In this case, the indoor terminal 100 transmits the sound source data to the wireless gateway 200 or the output home appliance 500 after processing the audio codec.

Referring to FIG. 2B, the indoor terminal 100 transmits sound source data downloaded in a streaming manner from the sound source providing server 600 connected through the wireless network to the wireless gateway 200 or the output home appliance 500.

Accordingly, the subscriber may use the wireless terminal 200 in real time on the sound source data stored in the sound source playback device 400 or the sound source data downloaded from the sound source providing server 600 via the wireless network using the indoor terminal 100. By transmitting to the output home appliance 500, it is possible to build and use a wireless audio system regardless of the indoor environment.

That is, the subscriber may use the indoor terminal 100 to output each speaker 300 and the output home appliance 500 connected to the wireless gateway 200 regardless of the current home location such as a living room, a large room, or the like. ), A wireless audio system can be constructed.

3 is a block diagram illustrating an indoor terminal according to the present invention.

Referring to FIG. 3, the indoor terminal 100 according to the present invention includes a display unit 160, a keypad unit 170, an infrared ray transmitting unit 110, a network interface unit 120, and a communication network interface unit 130. ), A first audio codec unit 180, a storage unit 150, a battery 192, a PMIC 191 (power management IC), and a central control unit 140.

Each component of the indoor terminal 100 is connected to a control signal line, a data signal line, or an address signal line, and the storage unit 150 may be implemented as a NAND Flash memory 210 or an SDRAM. have.

The keypad unit 170 is implemented with a plurality of numeric keys, function keys, etc., so that the subscriber can transmit the sound source data to the wireless gateway 200 or the output home appliance 500 using the indoor terminal 100.

The network interface unit 120 connects to the sound source providing server 600 via a wireless network, downloads sound source data from the sound source providing server 600, and transmits the sound source data to the communication dongle 510 of the output home appliance 500. send.

The communication network interface unit 130 transmits sound source data to the wireless gateway 200 through a wireless local area network.

The display unit 160 may be implemented as a TFT LCD device having a touch screen function, and outputs image information such as a site screen of the sound source providing server 600 connected through the network interface unit 120.

The infrared transmitter 110 transmits and receives a signal through an infrared communication method, and when the indoor terminal 100 is in a remote control mode, the infrared transmitter 110 transmits a control signal corresponding to a function selected through the keypad 170.

The battery 192 supplies the driving power of the indoor terminal 100, and the PMIC 191 adjusts the power to maximize the time for which the battery 192 supplies the driving power.

The first audio codec unit 180 codec processes (decodes) the sound source data, and the storage unit 150 stores the sound source data downloaded from the sound source providing server 600 or supplied from the sound source playback device 400, Other operating program information of the indoor terminal 100 is stored.

When the central controller 140 is set to the remote controller mode from the subscriber, the central controller 140 outputs a control signal corresponding to the input information input through the keypad 170 through the infrared transmitter 110. That is, when the remote controller mode is set in the indoor terminal 100, the central control unit 140 transmits a control signal to wirelessly control the indoor home appliance.

The central control unit 140 sets a sound source output mode set by the subscriber. The sound source output mode set by the central controller 140 includes a home appliance mode for transmitting sound source data (sound source signals) decoded to the output home appliance 500, and a wireless output mode for transmitting sound source data to the wireless gateway 200. The plurality of modes may be set at the same time.

When the home appliance mode is set, the central controller 140 transmits the sound source data decoded by the first audio codec unit 180 to the communication dongle 510 of the output home appliance 500 through a network.

In addition, when the wireless output mode is set, the central controller 140 transmits the sound source data to the wireless gateway 200 through the wireless local area network.

4 is a block diagram illustrating a wireless gateway according to the present invention.

Referring to FIG. 4, the wireless gateway 200 according to the present invention includes a wireless receiver 230, a memory 210, a second audio codec 240, a location determiner 220, and a central processor. 250, and the central processing unit 250 includes a sound processing unit 260.

The first audio codec unit 180 is connected to the speaker 300 through a plurality of amplifiers 310 and 310.

The wireless receiver 230 receives sound source data from the indoor terminal 100 through a wireless local area network.

The memory 210 may be implemented as a ROM or a RAM and stores sound source data and operating program information of the wireless gateway 200.

The second audio codec unit 240 performs codec processing (decoding) of the sound source data and transmits the same to the speaker 300.

Each amplifier 310 and 310 amplifies the sound source signal decoded by the second audio codec unit 240 to a predetermined size.

The location detecting unit 220 determines the indoor location of the indoor terminal 100 or the subscriber.

The location detecting unit 220 detects the indoor location of the indoor terminal 100 by attaching a location sensor to the indoor terminal 100, and determines the location of the indoor location based on the location sensor, or is received by the wireless receiver 230. The location of the home can be determined based on the direction of the sound source data and the signal strength.

The central processor 250 codes the sound source data received through the wireless receiver 230 in the second audio codec unit 240 and transmits the coded data to the speaker 300.

The sound processor 260 stores location information for each speaker 300 and control information for each location in the home. That is, the sound processing unit 260 stores the location where each speaker 300 is installed (for example, a living room, a large room, etc.), and the strength and vibration plate direction of the sound signal optimized for each indoor location.

The sound processor 260 controls the strength of the sound source signal transmitted to each speaker 300 or the direction of the diaphragm of each speaker 300 based on the location of the home determined by the location determiner 220.

FIG. 5 is a block diagram illustrating a speaker according to the present invention. Referring to FIG. 5, the speaker 300 includes a signal receiver 301 for receiving a sound source signal and a control signal, and a control signal. Accordingly, the driving unit 302 for adjusting the direction of the diaphragm 303 and the diaphragm 303 are provided.

The diaphragm 303 is installed to be rotatable, and the driving unit 302 adjusts the directing direction of the diaphragm 303 in accordance with a control signal.

The sound processor 260 controls the intensity of the sound source signal transmitted to each speaker 300 to maximize the sound quality on the location of the home determined by the location determiner 220.

6A and 6B are diagrams for describing a sound output method according to the present invention. As shown in FIG. 6A, the sound processor 260 may include a sound intensity on a location of a home determined by the location determiner 220. Control the sound intensity around your home location differently.

In addition, the sound processor 260 may adjust the diaphragm direction such that the diaphragm 303 of each speaker 300 is directed to the subscriber's home location illustrated in FIG. 6B. That is, the sound processor 260 transmits a control signal to each speaker 300 so that the direction of the surrounding speaker 300 diaphragm toward the indoor location based on the subscriber's indoor location.

That is, the sound processor 260 controls the size of the sound signal so that the loudness of the speaker 300 positioned above the indoor location where the subscriber is currently located or the diaphragm 303 is directed to the indoor location. By controlling, the sound is output only in the indoor environment in which the subscriber is located, for example, the speaker 300 located in the living room, or the maximum sound quality can be always heard even when the subscriber moves.

7A and 7B are flowcharts for describing a method of controlling a home wireless audio system according to the present invention.

Referring to FIGS. 7A and 7B, a plurality of speakers 300 are embedded in a ceiling of a home, and each speaker 300 and a wireless gateway 200 are connected to build a system (S 100).

When the indoor terminal 100 is driven, check whether the remote control mode is set, and if the remote control mode, the indoor terminal 100 transmits a control signal corresponding to the input information input to the keypad unit 170 in an infrared communication method (S110).

That is, the indoor terminal 100 allows the subscriber to wirelessly control the home appliance.

The indoor terminal 100 checks whether the sound source reproducing apparatus 400, for example, an MP3, a PMP, a PDA or a mobile phone, is connected through an interface means (S 120).

When the sound source playback device 400 is connected, the indoor terminal 100 receives sound source data selected by the subscriber among sound source data stored in the sound source playback device 400 (S 130).

On the other hand, the indoor terminal 100 checks whether the connection to the sound source providing server 600 through a wireless network, for example, Wi-Fi network (S 140).

When the indoor terminal 100 is connected to the sound source providing server 600, the indoor terminal 100 receives the sound source data selected by the subscriber in a streaming manner (S 150).

The indoor terminal 100 checks the sound source output mode and, in the home appliance mode, decodes the sound source data or the streamed sound source data provided from the sound source playback device 400 (S160).

In addition, the indoor terminal 100 transmits the decoded sound source data to the communication dongle 510 of the output home appliance 500 through the network (S 170).

Therefore, the sound is output through the output home appliance 500 at the indoor location where the indoor terminal 100 is located, and when the subscriber moves, the sound is output through the output home appliance 500 at the moved position, so that the subscriber Even if you move, you can listen to the sound without any manipulation.

Meanwhile, when the sound source output mode is set to the wireless output mode, the indoor terminal 100 transmits the sound source data to the wireless gateway 200 through the wireless local area network (S180).

The wireless gateway 200 decodes the sound source data received from the indoor terminal 100 and transmits it to each speaker 300 (S 190).

The wireless gateway 200 determines a location of a home which is a location of a subscriber or a home terminal 100 (S 200).

For example, the wireless gateway 200 may attach a location sensor to the indoor terminal 100, determine the location of the home based on the location sensor, or determine the location of the home based on the direction of the received sound source data and the signal strength. I can figure it out.

The wireless gateway 200 adjusts the location information of each speaker 300 and control information for each indoor location, and the strength of the sound source signal transmitted to each speaker 300 or the diaphragm direction of each speaker 300 based on the indoor location. Control (S 210).

That is, the wireless gateway 200 controls the sound intensity on the home location and the sound intensity around the home location to be understood differently, or the control signal to direct the diaphragm direction of the peripheral speaker 300 to the home location based on the home location. To transmit to each speaker (300).

Although the present invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and changes are possible within the technical spirit of the present invention, and such modifications and modifications belong to the appended claims.

1 is a block diagram illustrating a premises in which a wireless audio system according to the present invention is constructed.

2A and 2B are diagrams for explaining a data transmission flow of an indoor wireless audio system according to the present invention.

3 is a block diagram illustrating a home terminal according to the present invention;

4 is a block diagram illustrating a wireless gateway in accordance with the present invention.

5 is a block diagram illustrating a speaker according to the present invention;

6a and 6b are diagrams for explaining the sound output method according to the present invention.

7A and 7B are flowcharts for explaining a method of controlling a home wireless audio system according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: home terminal 110: infrared transmitter

120: network interface unit 130: communication network interface unit

140: central control unit 150: storage unit

160: display unit 170: keypad unit

180: first audio codec unit 191: PMIC (power management IC)

192: Battery 200: Wireless Gateway

210: memory 220: location determiner

230: wireless receiving unit 240: second audio codec unit

250: central processing unit 260: sound processing unit

300: speaker 301: signal receiving unit

302: drive unit 303: diaphragm

400: sound source playback device 500: output home appliances

600: sound source server

Claims (14)

In the home wireless audio system, At least one speaker installed in the ceiling of the home environment and outputting sound according to an acoustic signal; A wireless gateway for decoding and transmitting sound source data received through a wireless local area network to each speaker; An indoor wireless audio system including an indoor terminal for transmitting sound source data streamed from a server connected through a wireless network or sound source data stored in a sound source reproducing apparatus to the wireless gateway. According to claim 1, The indoor terminal, And decoding the sound source data and transmitting the decoded data to at least one type of output home appliance through the wireless network. According to claim 2, The output home appliance, And at least one of a television, a wall pad, or an audio system, said communication dongle capable of receiving said sound source data via said wireless network. According to claim 1, The indoor terminal, When the remote control mode is set, indoor wireless audio system, characterized in that for transmitting the control signal corresponding to the input information by the infrared communication method. In the indoor terminal of the indoor wireless audio system, An infrared transmitter for transmitting a control signal by an infrared communication method, A network interface unit connected to a sound source providing server through a wireless network or transmitting the sound source data to an output home appliance through the wireless network; A communication network interface unit for transmitting sound source data to a wireless gateway for transmitting sound signals to at least one speaker through a wireless local area network; A battery and a power management IC (PMIC) for supplying driving power, An audio codec unit for decoding the sound source data; A keypad unit implemented by a plurality of numeric keys and function keys, A display unit implemented by a touch screen method and outputting image information; In the remote control mode, a control signal corresponding to the input information input to the keypad unit is output through the infrared ray transmitting unit, and sound source data streamed from the sound source providing server or provided from a sound source reproducing device is transmitted through the wireless network interface unit. The indoor terminal of the indoor wireless audio system including a central control unit for transmitting to the way, or decoding through the audio codec unit to transmit to the output home appliance. In the wireless gateway of the home wireless audio system, A wireless receiver for receiving sound source data from a home terminal through a wireless local area network; An audio codec unit for decoding the sound source data; A positioning unit for grasping the indoor location of the indoor terminal; And a central processing unit to decode the sound source data through the audio codec unit and transmit the decoded sound data to each speaker through a plurality of amplifiers. The method of claim 6, wherein the central processing unit, And a sound processor configured to adjust the location information of each speaker and control information for each location, and an intensity of a sound signal transmitted to the speaker or a direction of a diaphragm of the speaker based on the location of the home. The method of claim 7, wherein the sound processor, The wireless gateway of the indoor wireless audio system, characterized in that for controlling the sound intensity output from the speaker on the indoor location and the sound intensity around the indoor location differently. The method of claim 8, wherein the sound processor, Wireless gateway of the indoor wireless audio system, characterized in that for adjusting the direction of the diaphragm so that the diaphragm of the surrounding speaker toward the indoor location. In the control method of the indoor wireless audio system, Receiving sound source data from a sound source reproducing apparatus connected to the indoor terminal through an interface means; Downloading the sound source data streamed from the sound source providing server connected through the wireless network; Checking the sound source output mode, and if the home appliance mode, decodes the sound source data and transmits the sound source data to the output home appliance; If the sound source output mode is a wireless output mode, transmitting the sound source data to a wireless gateway through a wireless local area network; Transmitting, by the wireless gateway, the sound source data to each speaker; Determining, by the wireless gateway, an indoor location of the indoor terminal; And controlling the intensity of the sound signal transmitted to the speaker or the direction of the diaphragm of the speaker based on the location information for each speaker and the control information for each location, and the location of the home. The method of claim 10, If the indoor terminal is set to the remote control mode, the control method of the indoor wireless audio system further comprising the step of transmitting a control signal corresponding to the input information input to the keypad unit by the infrared communication method. The method of claim 10, wherein the determining of the location of the home comprises: The wireless gateway attaches a location sensor to the indoor terminal, and determines the location of the home based on the location sensor, or the location of the home based on the direction of the received sound source data and the signal strength. How to control your home wireless audio system. The method of claim 10, And controlling the intensity of the sound output from the speaker on the premises location differently from the intensity of the sound output from the speaker on the premises location. The method of claim 10, And controlling the direction of the diaphragm so that the diaphragm of the surrounding speaker faces the diaphragm direction.

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