WO2019164024A1 - Method and system for sharing sound source reproduction - Google Patents
Method and system for sharing sound source reproduction Download PDFInfo
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- WO2019164024A1 WO2019164024A1 PCT/KR2018/002125 KR2018002125W WO2019164024A1 WO 2019164024 A1 WO2019164024 A1 WO 2019164024A1 KR 2018002125 W KR2018002125 W KR 2018002125W WO 2019164024 A1 WO2019164024 A1 WO 2019164024A1
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- audio signal
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- 238000000034 method Methods 0.000 title claims abstract description 96
- 230000005236 sound signal Effects 0.000 claims description 106
- 238000004590 computer program Methods 0.000 claims description 33
- 238000010586 diagram Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 238000003491 array Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Definitions
- the following description relates to a method and system for reproducing a sound source playback, and more particularly, to a method for reproducing a sound source playback that can share a sound source playback on a main device in a sub-device of a same space or a close distance, and to perform the method for sharing the sound source playback.
- a computer program and a computer program stored in a computer readable recording medium for executing the sound source reproduction sharing method in combination with a computer, and the recording medium.
- an audio signal of the sound source played through the speaker included in the user A's mobile device may be output.
- Korean Patent No. 10-1481657 discloses a method of listening to music through a music streaming server.
- the method discloses a technique of confirming the login of the listening user, confirming the login of the friend user of the listening user, and supplying the currently playing music of the friend user to the listening user.
- this prior art has the problem that each of the users is forced to consume data of each of the users while communicating with the server via their mobile device.
- each of the users should be registered as a member of the service provided by the server, there is an inconvenience to go through the process of logging in to the server.
- a sound source playback sharing method for sharing sound source playback on a main device in sub-devices of the same space or in close proximity, a computer device for performing the sound source playback sharing method, and a computer coupled to execute the sound source playback sharing method on a computer To provide a computer program stored in a computer-readable recording medium and the recording medium.
- a sound source reproduction sharing method capable of outputting a surround sound as the main device and the at least one sub device share a channel of a multi-channel audio signal included in one sound source, and perform the sound source reproduction sharing method.
- a computer program stored in a computer readable recording medium for causing the computer to execute the sound source reproduction sharing method in combination with a computer.
- the main device Establishing, by the main device, a short range wireless connection with the at least one sub device; Identifying, by the main device, a sound source to be played back and shared with the at least one sub device; And the main device sends playback commands for the identified sound source and the identified sound source to the at least one sub device through the established short-range wireless connection so that the identified sound source can be played back in the at least one sub device. And transmitting and reproducing the identified sound source.
- the main device receives the segment files of the sound source from the server where the sound source is stored, and the step of playing the identified sound source, the segment files streamed from the server and The play command for the segment files may be transmitted to the at least one sub device through the established short range wireless connection, and the streamed segment files may be played.
- the main device receives a reproduction permission key generated at the server from the server to allow the at least one sub-device to share the reproduction of the sound source via a short-range wireless connection
- the playing of the identified sound source may further include transmitting the playing command including the playing permission key to the at least one sub device together with the segment files.
- the step of identifying the sound source the main device loads the sound source stored in the local storage of the main device into the memory, and the step of playing the identified sound source, the sound source stored in the local storage and The play command for the sound source may be transmitted to the at least one sub device through the established short range wireless connection.
- the identified sound source includes a multi-channel audio signal
- the reproducing the identified sound source may include: the main device and the at least one sub device having different channel signals of the multi-channel audio signal.
- the main device separates the multi-channel audio signal to transmit an audio signal of at least some channels to the at least one sub device, the main device reproduces audio signals of the remaining some channels, and the at least one The sub device may be implemented to reproduce an audio signal of the partial channel received from the main device.
- the sound source reproduction sharing method further includes the main device communicating with the at least one sub device based on the established short-range wireless connection to identify the location of each of the at least one sub device.
- the main device separates the multi-channel audio signal for each channel and outputs an audio signal of a channel for transmitting to the at least one sub device among the audio signals separated for each channel. The determination may be made based on the identified location.
- the sound source reproduction sharing method further comprises the step of the main device to check the audio signal output performance of the at least one sub-device, the step of playing the identified sound source, the main device
- the multi-channel audio signal may be separated for each channel, and an audio signal of a channel for transmitting to the at least one sub device among the audio signals separated for each channel may be determined based on the identified audio signal output performance.
- the checking of the audio signal output performance may include: receiving profile information of the at least one sub device from the at least one sub device through the established short range wireless connection; Requesting information about an audio signal output capability of the at least one sub device to a server by using the received profile information; And receiving information on an audio signal output capability of a device corresponding to the profile information from the server.
- the playing of the identified sound source may include playing time information of the identified sound source by the main device in order to synchronize the playing time of the identified sound source in the main device and the at least one sub device. Generates and transmits the generated reproduction time information together with the identified sound source to the at least one sub device, reproduces the identified sound source at a time corresponding to the reproduction time information, and the at least one sub device It may be implemented to play the identified sound source received from the main device at a time corresponding to the playback time information.
- a computer program stored in a computer readable recording medium for executing the sound source reproduction sharing method on a computer is provided.
- a computer-readable recording medium having recorded thereon a program for causing a computer to execute the sound source reproduction sharing method.
- At least one processor implemented to execute computer readable instructions, wherein the at least one processor causes a main device to establish a short range wireless connection with at least one sub device, and wherein the main device is configured to execute the at least one Identify a sound source to be reproduced and shared with the subdevice of the main device, and the main device establishes a playback command for the identified sound source and the identified sound source so that the identified sound source can be played back in the at least one subdevice; A computer device for transmitting to the at least one sub device via a short range wireless connection and playing the identified sound source.
- Sound source reproduction in the main device may be shared by at least one sub device in the same space or in a close distance.
- a surround sound may be output.
- FIG. 1 is a diagram illustrating an example of a network environment according to an embodiment of the present invention.
- FIG. 2 is a block diagram illustrating an example of a computer device according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating an example of an environment in which a sound source reproduction sharing method is performed according to an embodiment of the present invention.
- FIG. 4 is a diagram illustrating an example of a process of reproducing segment files through a reproduction permission key according to an embodiment of the present invention.
- FIG. 5 is a diagram illustrating an example of an environment in which a sound source reproduction sharing method is performed according to an embodiment of the present invention.
- FIG. 6 is a diagram illustrating an example of an environment for providing surround sound through a sound source reproduction sharing method according to an embodiment of the present invention.
- FIG. 7 is a diagram for one example of a method of measuring a distance between devices according to one embodiment of the present invention.
- FIG. 10 is a flowchart illustrating an example of a sound source reproduction sharing method according to an embodiment of the present invention.
- the sound source reproduction sharing method may be implemented through a computer device such as an electronic device and / or a server which will be described later.
- a computer program according to an embodiment of the present invention may be installed and run on the computer device, and the computer device may perform the sound source reproduction sharing method according to the embodiments of the present invention under the control of the driven computer program.
- the computer program described above may be stored in a computer readable recording medium in combination with a computer device to cause a computer to execute a sound source reproduction sharing method.
- FIG. 1 is a diagram illustrating an example of a network environment according to an embodiment of the present invention.
- the network environment of FIG. 1 illustrates an example including a plurality of electronic devices 110, 120, 130, and 140, a plurality of servers 150 and 160, and a network 170.
- 1 is an example for describing the invention, and the number of electronic devices and the number of servers are not limited as shown in FIG. 1.
- the plurality of electronic devices 110, 120, 130, and 140 may be a fixed terminal or a mobile terminal implemented with a computer device.
- Examples of the plurality of electronic devices 110, 120, 130, and 140 include a smart phone, a mobile phone, a navigation device, a computer, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), and a portable multimedia player (PMP). , Tablet PC and so on.
- PDA personal digital assistant
- PMP portable multimedia player
- Tablet PC Tablet PC and so on.
- FIG. 1 illustrates the shape of a smartphone as an example of the electronic device 1 110
- the electronic device 1 110 may use a wireless or wired communication method to substantially connect the network 170. It may refer to one of various physical computer devices capable of communicating with other electronic devices 120, 130, 140 and / or server 150, 160 via.
- the communication method is not limited and may include short-range wireless communication between devices as well as a communication method utilizing a communication network (for example, mobile communication network, wired internet, wireless internet, and broadcasting network) that the network 170 may include.
- the network 170 may include a personal area network (PAN), a local area network (LAN), a campus area network (CAN), a metropolitan area network (MAN), a wide area network (WAN), and a broadband network (BBN). And one or more of networks such as the Internet.
- the network 170 may also include any one or more of network topologies, including bus networks, star networks, ring networks, mesh networks, star-bus networks, trees, or hierarchical networks, but It is not limited.
- Each of the servers 150 and 160 communicates with the plurality of electronic devices 110, 120, 130, and 140 via the network 170 to provide a command, code, file, content, service, or the like. It may be implemented in devices.
- the server 150 may be a service (eg, a social network service, a messaging service, a search service, a mail service, etc.) with a plurality of electronic devices 110, 120, 130, and 140 connected through the network 170. It may be a system for providing a content providing service).
- FIG. 2 is a block diagram illustrating an example of a computer device according to an embodiment of the present invention.
- Each of the plurality of electronic devices 110, 120, 130, and 140 or each of the servers 150 and 160 described above may be implemented by the computer device 200 shown in FIG. 2.
- a computer program according to an embodiment may be installed and driven in the computer device 200, and the computer device 200 may share and reproduce a sound source according to embodiments of the present disclosure under the control of the driven computer program. The method can be performed.
- the computer device 200 may include a memory 210, a processor 220, a communication interface 230, and an input / output interface 240.
- the memory 210 may be a computer-readable recording medium, and may include a permanent mass storage device such as random access memory (RAM), read only memory (ROM), and a disk drive.
- RAM random access memory
- ROM read only memory
- the non-volatile mass storage device such as a ROM and a disk drive may be included in the computer device 200 as a separate permanent storage device separate from the memory 210.
- the memory 210 may store an operating system and at least one program code. These software components may be loaded into the memory 210 from a computer-readable recording medium separate from the memory 210.
- Such a separate computer-readable recording medium may include a computer-readable recording medium such as a floppy drive, disk, tape, DVD / CD-ROM drive, memory card, and the like.
- the software components may be loaded into the memory 210 via the communication interface 230 rather than the computer readable recording medium.
- software components may be loaded into memory 210 of computer device 200 based on a computer program installed by files received via network 170.
- the processor 220 may be configured to process instructions of a computer program by performing basic arithmetic, logic, and input / output operations. Instructions may be provided to the processor 220 by the memory 210 or the communication interface 230. For example, the processor 220 may be configured to execute a command received according to a program code stored in a recording device such as the memory 210.
- the communication interface 230 may provide a function for the computer device 200 to communicate with other devices (eg, storage devices described above) through the network 170. For example, a request, a command, data, a file, etc. generated by the processor 220 of the computer device 200 according to a program code stored in a recording device such as the memory 210 may be controlled according to the control of the communication interface 230. 170 may be transferred to other devices. Conversely, signals, commands, data, files, and the like from other devices may be received by the computer device 200 via the communication interface 230 of the computer device 200 via the network 170. Signals, commands, data, and the like received through the communication interface 230 may be transmitted to the processor 220 or the memory 210, and the files and the like may be further included in the storage medium (described above). Persistent storage).
- the input / output interface 240 may be a means for interfacing with the input / output device 250.
- the input device may include a device such as a microphone, a keyboard or a mouse
- the output device may include a device such as a display or a speaker.
- the input / output interface 240 may be a means for interfacing with a device in which functions for input and output are integrated into one, such as a touch screen.
- the input / output device 250 may be configured as the computer device 200 and one device.
- the computer device 200 may include fewer or more components than the components of FIG. 2. However, it is not necessary to clearly show most of the prior art components.
- the computer device 200 may be implemented to include at least some of the input and output devices 250 described above, or may further include other components such as a transceiver, a database, and the like.
- 3 is a diagram illustrating an example of an environment in which a sound source reproduction sharing method is performed according to an embodiment of the present invention.
- 3 illustrates device 1 310 as a main device, device 2 320, device 3 330, and device 4 340 as at least one sub device.
- 3 illustrates one main device and three sub devices as an example, but the number of sub devices is not limited to the embodiment of FIG. 3.
- a streaming server 350 for streaming the sound source to the device 1 (310) as the main device.
- These devices 310 to 340 may correspond to the plurality of electronic devices 110, 120, 130, and 140 described above, and the streaming server 350 may correspond to the server 150 described above.
- the devices 310 to 340 may be installed and run a computer program for executing the sound source playback sharing method in a computer, the devices 310 to 340 is a sound source playback sharing method under the control of the computer program Can be performed.
- the computer program may be an application installed and driven in the devices 310 to 340 to provide a streaming service to the devices 310 to 340 in connection with the streaming server 350.
- the device 1 310 may establish a short range wireless connection with each of the device 2 320, the device 3 330, and the device 4 340, which are to share a sound source. For example, device 1 310 may establish a connection with each of device 2 320, device 3 330, and device 4 340 via Bluetooth. As another example, device 1 310 may establish a connection with each of device 2 320, device 3 330, and device 4 340 through an access point (AP) that provides local Wi-Fi. As another example, device 1 310 may operate as a hot spot by itself and establish a connection with each of device 2 320, device 3 330, and device 4 340.
- AP access point
- device 1 310 is a device 2 (320), device 3 (330) and device 4 (340) that wants to share the sound source using one of a variety of methods that can be directly or indirectly connected to other devices in the vicinity You can establish a short range wireless connection with each other.
- the device 1 310 may receive a sound source from the streaming server 350.
- device 1 310 may sequentially receive segment files of a sound source transmitted by streaming server 350.
- device 1 310 transmits the received segment files and the playback instruction for these segment files to each of device 2 320, device 3 330, and device 4 340 through the established short-range wireless connection. It can be transmitted to, and can play the sound source using the segment files streamed from the streaming server 350.
- the device 2 320, the device 3 330, and the device 4 340 each play the segment files transmitted from the device 1 310 through a play command, thereby making the device 1 310 and the device 2 320 operate.
- the device 3 330 and the device 4 340 may share one sound source.
- each of the at least one subdevice, Device 2 (320), Device 3 (330), and Device 4 (340) is not directly subscribed to the streaming server 350, and directly streams through the data network.
- the sound source is provided through the device 1 310, which is the main device, so that the sound source can be shared without consuming cellular data.
- the device 1 310 may generate playback time information of the sound source and transmit the same to the device 2 320, the device 3 330, and the device 4 340 to synchronize the playback time of the sound source.
- the device 1 310, the device 2 320, the device 3 330, and the device 4 340 each play a sound source based on the play time information, playback of the sound source may be shared.
- the user of the device 1 310 or the device 1 310 may be a device or a user registered in the streaming server 350 and capable of using a sound source.
- users of Device 2 320, Device 3 330, and Device 4 340, or each of Device 2 320, Device 3 330, and Device 4 340, are not allowed to play these sound sources.
- the streaming server 350 may provide a reproduction permission key for allowing the main device to share the reproduction of the sound source to the sub device only in the short range wireless connection.
- the device 1 310 may request a play permission key from the streaming server 350, and the streaming server 350 generates a play permission key according to a request of the device 1 310 to generate the device 1 310.
- the device 1 310 transmits a reproduction permission key to each of the device 2 320, the device 3 330, and the device 4 340, so that the device 2 320, the device 3 330, and the device 4 ( 340 may allow the sound source to be played through the streaming files at each.
- the reproduction permission key may be generated through a combination between a decryption key capable of decrypting segment files for a corresponding sound source and a session identifier of a short range wireless connection established between a main device and a sub device.
- FIG. 4 is a diagram illustrating an example of a process of reproducing segment files through a reproduction permission key according to an embodiment of the present invention.
- the first process 410 may be a process in which the device 1 310 and the device 2 320 establish a short range wireless connection.
- the device 1 310 may identify the device identifier of the device 2 320 and the session identifier of the short range wireless connection.
- the second process 420 may be a process in which the device 1 310 transmits a device identifier and a session identifier of the device 2 320 to the streaming server 350.
- This process may be a process in which the device 1 310 requests the streaming server 350 to play a sound permission key of the sound source and the device 2 320.
- the third process 430 may be a process in which the streaming server 350 generates a reproduction permission key for the device 2 320 and transmits it to the device 1 310 together with the sound source.
- the streaming server 350 may generate a reproduction permission key for the device 2 320 identified through the device identifier through a combination of a decryption key and a session identifier capable of decrypting the segment files for the sound source.
- the streaming server 350 may transmit the device identifier received in the second process and the reproduction permission key generated in the third process to the device 1 310 together with the sound source, and the device 1 310 may transmit the device identifier. It can be identified that the reproduction permission key received through the reproduction permission key for the device 2 (320).
- the sound source may be transmitted to the device 1 310 in a manner that the streaming server 350 streams segment files for the sound source.
- the fourth process 440 may be a process in which the device 1 310 transmits a sound source and a reproduction permission key to the device 2 320.
- the computer program installed and driven in the device 2 320 compares the first session identifier included in the reproduction permission key with the second session identifier of the established short-range wireless connection with the device 1 310 transmitting the sound source.
- the first session identifier and the second session identifier are the same, it is possible to authenticate whether to allow the playback of the corresponding sound source.
- the computer program of the device 2 320 may reproduce the sound source by decoding the segment files of the sound source transmitted from the device 1 310 with a decryption key included in the reproduction permission key.
- the method of sharing a sound source play according to the embodiment of FIG. 4 has only described an embodiment for sharing the play of the sound source when the play of the sound source is limited by a user or a device, and is limited to a short range wireless connection. Any method for allowing the reproduction of can be used without limitation.
- the device 1 310 may share the playback of the sound source stored in the local storage of the device 1 310 with the device 2 320, the device 3 330, and the device 4 340.
- the device 1 310 may establish a short range wireless connection with each of the device 2 320, the device 3 330, and the device 4 340.
- the device 1 310 loads a sound source stored in the local storage 510 into the memory 520, and then transmits the sound source to each of the device 2 320, the device 3 330, and the device 4 340.
- the sound source loaded in the memory 520 may be played.
- the device 2 320, the device 3 330, and the device 4 340 may also be shared by reproducing the sound source transmitted from the device 1 310.
- the device 1 310 may generate the playback time information of the sound source and transmit the information to the device 2 320, the device 3 330, and the device 4 340, respectively.
- the device 1 310, the device 2 320, the device 3 330, and the device 4 340 each play a sound source based on the play time information, playback of the sound source may be shared.
- the sound source stored in the local storage 510 of the device 1 310 may be a sound source that can be played only by the user of the device 1 310 or the device 1 310 for copyright protection.
- the device 1 310 receives a reproduction permission key from the server associated with an application installed and driven on the devices 310 to 340, respectively, as described with reference to FIG. 330 and device 4 340, respectively.
- the play permission key may be generated by combining a restore key for restoring a sound source stored in the local storage 510 of the device 1 510 with a session identifier of a short range wireless connection, and the device 2 320.
- the restoration of the sound source in each of the device 3 330 and the device 4 340 is performed by the device 1 under the control of a computer program installed and driven in the device 2 320, the device 3 330, and the device 4 340. It may be limited to while the short-range wireless connection corresponding to the 310 and the session identifier is established.
- the device 1 310 downloads the sound source from a separate server and thus, the device 2 320 and the device 3 330.
- playback of the sound source is shared with each of the device 4 340.
- the sound source downloaded by the device 1 310 from a separate server may be stored in the local storage 510 of the device 1 310 described with reference to FIG. 5, and as in the embodiment described with reference to FIG. 5.
- the playback of the sound source may be shared with each of the second 320 and the third device 330 and the fourth device 340.
- an embodiment in which device 1 310 streams a sound source to device 2 320, device 3 330, and device 4 340 may further be considered.
- the device 1 310 may generate segment files for the sound source under the control of a computer program installed and driven in the device 1 310, and the device 2 320 and the device 3 using the generated segment files.
- the sound source may be streamed to each of the device 330 and the device 4 340.
- the computer program of the device 1 310 may generate a reproduction permission key and provide the reproduction permission key to each of the device 2 320, the device 3 330, and the device 4 340.
- the reproduction sharing of the sound source described above may be utilized to reproduce the surround sound of the sound source including the multichannel audio signal.
- FIG. 6 is a diagram illustrating an example of an environment for providing surround sound through a sound source reproduction sharing method according to an embodiment of the present invention.
- FIG. 6 illustrates that device 1 separates a multichannel audio signal for each channel and reproduces a surround sound through a sound source including a multichannel audio signal, and the subdevices device 2 320, device 3 330, and device 4.
- 340 shows an example of transmitting audio signals for each channel separated into respective ones.
- the device 1 310 may receive a sound source including a multi-channel audio signal from the streaming server 350 in a streaming manner. In this case, the device 1 310 may separate a multi-channel audio signal included in the received sound source for each channel and determine a channel of an audio signal to be transmitted to each sub device.
- device 1 310 transmits a second channel audio signal to device 2 320, transmits a third channel audio signal to device 3 330, and fourth channel audio to device 4 340.
- An example of transmitting a signal is shown.
- device 1 310 reproduces a first channel audio signal
- device 2 320 reproduces a second channel audio signal
- device 3 330 reproduces a third channel audio signal
- the device 4 340 reproduces a fourth channel audio signal, and thus, surround sound is reproduced.
- one main device or one sub device may reproduce audio signals for two or more channels.
- the device 1 310 may determine an audio signal of a channel to be played by the sub device based on the location of the sub device.
- the location of the sub device may be a location relative to the main device, and the main device may identify the location of the sub device through one of various techniques for identifying the location between devices.
- the main device may communicate with the subdevice based on the established short-range wireless connection with the subdevice to identify the location of each subdevice. How to identify the location is described in more detail later.
- device 1 310 may determine an audio signal of a channel for transmission to the sub-device (device 2 320, device 3 330, and device 4 340, respectively) based on the identified location, The audio signal of the corresponding channel may be transmitted to the corresponding subdevice.
- each of the devices 310 to 340 reproduces an allocated channel-specific audio signal, surround sound by a multi-channel audio signal included in a sound source may be provided to the user (or users).
- FIG. 7 is a diagram for one example of a method of measuring a distance between devices according to one embodiment of the present invention.
- FIG. 7 illustrates an example in which device 1 310 identifies a distance from device 2 320.
- the device 1 310 may request transmission of a radio signal and a sound signal to the device 2 320 through a short range wireless connection established with the device 2 320.
- the device 2 320 may transmit a radio signal and a sound signal to the device 1 310 at the request of the device 1 310.
- the wireless signal may include information about the time when the device 2 320 transmits a wireless signal and a sound signal.
- the wireless signal may be transmitted via a short range wireless connection established between the device 1 310 and the device 2 320, and the sound signal may be output through the speaker of the device 2 320.
- the device 1 310 delays the transmission of the wireless signal based on information about a reception time of the wireless signal, a reception time of the sound signal, and a time of transmitting the wireless signal and the sound signal included in the wireless signal.
- the transmission delay time t2 of the time t1 and the sound signal may be calculated, and the distance from the device 2 320 may be calculated through T, which is a difference between the t2 and the t1.
- the device 1 310 includes a first microphone 810 and a second microphone 820 at different positions, and the distance H1 between the first microphone 810 and the second microphone 820. Assume that you know.
- the device 1 310 may request transmission of a sound signal to the device 2 320 through the established short-range wireless connection with the device 2 320.
- the device 2 320 may output a sound signal through the speaker 830, and the first microphone 810 and the second microphone 820 of the device 1 310 may output the sound signal through the speaker 830.
- Each can be input.
- the device 1 310 may calculate the distance d11 between the first microphone 810 and the speaker 830 through the method described with reference to FIG. 7, and the second microphone 820 and the speaker 830.
- the distance d12 between them can be calculated.
- device 1 310 uses H1, d11, and d12 to determine the distance D1 between device 1 310 and device 2 320 and device 2 330 (more specifically, a speaker ( 830), relative direction 1 can be calculated.
- d11 means a distance between a point corresponding to the first microphone 810 (hereinafter referred to as 'first point') and one point corresponding to the speaker 830 (hereinafter referred to as 'second point').
- d12 may mean a distance between one point corresponding to the second microphone 820 (hereinafter, 'third point') and the second point.
- H1 may mean a distance between the first point and the third point.
- the distance D1 may mean a distance between an arbitrary point (hereinafter, referred to as a 'fourth point') and a second point on a line connecting the first point and the third point.
- the device 1 310 knows the distance between the first point and the fourth point and the distance between the third point and the fourth point.
- the intermediate point between the first point and the third point may be the fourth point.
- the device 1 310 includes a first speaker 910 and a second speaker 920 at different positions, and the first speaker 910 and the second speaker 920 are different from each other. Assume that you know the distance H2 between.
- the device 1 310 may transmit a control command to prepare the device 2 320 to receive a sound signal through the established short-range wireless connection with the device 2 320.
- the device 1 310 may output respective sound signals through the first speaker 910 and the second speaker 920.
- the device 2 320 may determine the distance d21 between the first speaker 910 and the device 2 320 and the distance d22 between the second speaker 920 and the device 2 320 through the method described with reference to FIG. 7.
- Each may be calculated, and the calculated d21 and d22 may be transmitted to the device 1 310 through a short range wireless connection.
- device 1 310 uses device H2, d21, and d22 to determine the distance D2 between device 1 310 and device 2 320 and device 2 330 at device 1 310 (more specifically, microphone 930). Relative direction 2 to)) can be calculated.
- Examples of calculating the distance and direction described with reference to FIGS. 7 to 9 are presented as embodiments for measuring positions between devices, and one of various known techniques for measuring positions between devices is an embodiment of the present invention. It will be readily apparent to those skilled in the art that the present invention can be applied to these fields.
- the audio signal of the channel for transmitting to the sub device may be determined according to the audio signal output capability of the sub device.
- device 1 310 which is the main device, may receive profile information of each of devices 320 to 340 through a short range wireless connection established with each of devices 320 to 340.
- the device 1 310 may obtain information on the audio signal output performance of each of the devices 320 to 340 through such profile information.
- the computer program installed and driven in the device 1 310 may manage information on the audio signal output performance for each device model.
- the device 1 310 may obtain information on the audio signal output performance corresponding to the corresponding model name through the model name extracted from the obtained profile information.
- the device 1 310 may provide profile information through the streaming server 350 or a separate server as described above, and may provide information about the audio signal output performance corresponding to the profile information. It can also be received through a separate server.
- device 1 310 may determine a channel of the audio signal for each of the devices 320 to 340 based on the audio signal output capability obtained for each of the devices 320 to 340. For example, the device 1 310 may allocate a main channel of the multichannel audio signal to a device having the largest audio signal output performance.
- the device 1 310 may receive and transmit profile information of each of the devices 320 to 340 to the streaming server 350 through a short range wireless connection established with each of the devices 320 to 340.
- the streaming server 350 may receive information on a channel of the audio signal determined for each of the devices 320 to 340. In this case, the streaming server 350 determines the audio signal output of the devices from the profile information received from the device 1 310, and determines the audio signal of the devices 320 to 340 based on the determined audio signal output. The channel can be determined.
- both the location of the devices and the audio signal output performance described above may be used.
- the technology itself for assigning multichannel audio signals according to the performance or arrangement already determined between the speakers relates to sound technology, which will be readily understood by a person skilled in the art through well known sound technologies.
- FIG. 10 is a flowchart illustrating an example of a sound source reproduction sharing method according to an embodiment of the present invention.
- the sound source reproduction sharing method according to the present embodiment may be performed by the computer apparatus 200 implementing the main device described above.
- the processor 220 of the computer device 200 may be implemented to execute a control instruction according to a code of an operating system included in the memory 210 or a code of at least one program.
- the processor 220 may perform the steps 1010 to 1030 included in the sound source reproduction sharing method of FIG. 10 according to a control command provided by a code stored in the computer device 200. 200 can be controlled.
- the computer device 200 may establish a short range wireless connection with the sub device.
- the sub device may correspond to the devices 320 to 340 described above, and the number is not particularly limited.
- the number of subdevices may be less than or equal to the number of subdevices to which the computer apparatus 200 can be simultaneously connected.
- the computer apparatus 200 may identify a sound source to be reproduced and shared with the sub device.
- the sound source to be reproduced and shared is stored in the sound storage streamed from the streaming server 350 or the local storage of the computer device 200 (for example, the local storage 510 described with reference to FIG. 5). It may include a stored sound source.
- the computer apparatus 200 transmits the confirmed sound source and a playback command for the identified sound source to the sub device through the established short-range wireless connection so that the identified sound source can be played on the sub device, and the confirmed sound source Can play.
- the sound source reproduction can be shared between the computer device 200 and the sub device.
- the computer apparatus 200 may establish a short range wireless connection with the sub device, and identify a sound source for reproduction sharing with the sub device by receiving segment files of the sound stream from a server in which the sound source is stored.
- the computer device 200 may transmit the segment files streamed from the server and a playback command for the segment files to the sub device through the established short-range wireless connection, and play the streamed segment files.
- the reproduction of the sound source may be shared between the computer apparatus 200 and the sub device by reproducing the received segment files according to the reproduction command.
- the sub device can share the playback of the sound source with the computer device 200 even without subscribing to the streaming service provided by the server or without logging in to the streaming service.
- the sub device may share the playback of the corresponding sound source using the play permission key for the sound source that is allowed to be played only by the computer device 200 or the user of the computer device 200.
- the computer device 200 may receive a reproduction permission key generated at the server from the server to allow the sub device to share the reproduction of the sound source through the short range wireless connection.
- the computer device 200 may request a play permission key for the sub device while transmitting the session identifier of the short range wireless connection established with the sub device to the server, and the server may decrypt the segment files for the sound source.
- a reproduction permission key may be generated and transmitted to the computer device 200.
- the computer device 200 may transmit the segment files, the play command for the segment files, and the play permission key to the corresponding sub device.
- the sub device compares the session identifier included in the reproduction permission key with the session identifier of the computer apparatus 200 and the established short-range wireless connection under the control of a computer program installed and driven for the sound source reproduction sharing method.
- the segment files can be decrypted and reproduced using a decryption key further included in the reproduction permission key.
- Such a computer program may be implemented so as to delete a play permission key and not allow playback of a sound source if the session identifiers are not the same.
- the computer device 200 may establish a short range wireless connection with the sub device and load a sound source stored in the local storage of the computer device 200 into the memory.
- the computer device 200 may transmit the sound source stored in the local storage and the playback command for the sound source to the sub device through the established short-range wireless connection, and play the sound source.
- the sub device may also share the playback of the sound source with the computer device 200 by playing back the sound source received from the computer device 200 according to the playback command.
- the reproduction permission key may also be utilized in the present embodiment.
- the computer device 200 may connect to a short range wireless connection through the play permission key described above. Only the sub device can be controlled to allow sharing of the sound source.
- the computer device 200 may request a reproduction permission key from a server associated with the DRM technology using a session identifier of a short distance wireless connection established with a sub device, and from the server, the decryption key of the sound source and the session identifier. The reproduction permission key generated through the combination may be received and transmitted to the subdevice.
- DRM digital right management
- both the computer program installed and driven in the computer device 200 and the computer program installed and driven in the sub device may be associated with a server associated with the DRM technology.
- the server may be a server that streams or downloads a sound source, and the computer program may be an application distributed by such a server.
- the computer device 200 may establish a short range wireless connection with the sub device and identify a sound source to be played back and shared with the sub device.
- the identified sound source may include a multichannel audio signal.
- the computer apparatus 200 separates the multichannel audio signal and transmits audio signals of at least some channels to the subdevice so that the computer apparatus 200 and the subdevice can reproduce different channel signals of the multichannel audio signal.
- the main device can play audio signals of some remaining channels.
- the surround sound may be reproduced as the sub device reproduces the audio signal of the received partial channel.
- the computer apparatus 200 may transmit audio of a channel for transmission to the sub device based on at least one of the position of the sub device and the audio signal output capability of the sub device. The signal can be determined.
- the computer apparatus 200 may generate and transmit the playback time information of the identified sound source to the sub device.
- each of the computer apparatus 200 and the sub device may reproduce the sound source according to the play time information, so that the play time of the sound source may be synchronized.
- the sound source reproduction in the main device may be shared by at least one sub device of the same space or close distance.
- the main device and the at least one sub device share the channel of the multi-channel audio signal included in one sound source and output the surround sound, a surround sound may be output.
- each of the plurality of devices may share the playback of the corresponding sound source while only one main device is connected to the server and provided with the sound source without the need for multiple devices to access and / or log in to the server, respectively.
- each of the plurality of devices can share the playback of the corresponding sound source without having to communicate with the server.
- the system or apparatus described above may be implemented as a hardware component, a software component or a combination of hardware components and software components.
- the devices and components described in the embodiments are, for example, processors, controllers, arithmetic logic units (ALUs), digital signal processors, microcomputers, field programmable gate arrays (FPGAs).
- ALUs arithmetic logic units
- FPGAs field programmable gate arrays
- PLU programmable logic unit
- the processing device may execute an operating system (OS) and one or more software applications running on the operating system.
- the processing device may also access, store, manipulate, process, and generate data in response to the execution of the software.
- processing device includes a plurality of processing elements and / or a plurality of types of processing elements. It can be seen that it may include.
- the processing device may include a plurality of processors or one processor and one controller.
- other processing configurations are possible, such as parallel processors.
- the software may include a computer program, code, instructions, or a combination of one or more of the above, and configure the processing device to operate as desired, or process it independently or collectively. You can command the device.
- Software and / or data may be any type of machine, component, physical device, virtual equipment, computer storage medium or device in order to be interpreted by or to provide instructions or data to the processing device. It can be embodied in.
- the software may be distributed over networked computer systems so that they may be stored or executed in a distributed manner.
- Software and data may be stored on one or more computer readable media.
- the method according to the embodiment may be embodied in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium.
- the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination.
- the program instructions recorded on the media may be those specially designed and constructed for the purposes of the embodiments, or they may be of the kind well-known and available to those having skill in the computer software arts.
- Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks.
- Such a recording medium may be various recording means or storage means in the form of a single or several hardware combined, and is not limited to a medium directly connected to any computer system, but may be distributed on a network.
- Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
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Abstract
Description
Claims (17)
- 컴퓨터와 결합되어 음원 재생 공유 방법을 컴퓨터에 실행시키기 위해 컴퓨터 판독 가능한 기록매체에 저장된 컴퓨터 프로그램에 있어서,A computer program stored in a computer readable recording medium in combination with a computer for causing a computer to execute a sound source reproduction sharing method,상기 음원 재생 공유 방법은,The sound source playback sharing method,메인 디바이스가 적어도 하나의 서브 디바이스와의 근거리 무선 연결을 수립하는 단계;Establishing, by the main device, a short range wireless connection with the at least one sub device;상기 메인 디바이스가 상기 적어도 하나의 서브 디바이스와 재생 공유하고자 하는 음원을 확인하는 단계; 및Identifying, by the main device, a sound source to be played back and shared with the at least one sub device; And상기 확인된 음원이 상기 적어도 하나의 서브 디바이스에서 재생될 수 있도록 상기 메인 디바이스가 상기 확인된 음원 및 상기 확인된 음원에 대한 재생 명령을 상기 수립된 근거리 무선 연결을 통해 상기 적어도 하나의 서브 디바이스로 전송하고, 상기 확인된 음원을 재생하는 단계The main device transmits a playback command for the identified sound source and the identified sound source to the at least one sub device through the established short-range wireless connection so that the identified sound source can be played in the at least one sub device. Playing the identified sound source를 포함하는, 컴퓨터 프로그램.Including, a computer program.
- 제1항에 있어서,The method of claim 1,상기 음원을 확인하는 단계는,Checking the sound source,상기 메인 디바이스가 상기 음원이 저장된 서버로부터 상기 음원의 세그먼트 파일들을 스트리밍받고,The main device receives the segment files of the sound source from the server where the sound source is stored,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 서버로부터 스트리밍된 세그먼트 파일들 및 상기 세그먼트 파일들에 대한 재생 명령을 상기 수립된 근거리 무선 연결을 통해 상기 적어도 하나의 서브 디바이스로 전송하고, 상기 스트리밍된 세그먼트 파일들을 재생하는, 컴퓨터 프로그램.And transmit the segment files streamed from the server and a play command for the segment files to the at least one sub device over the established short range wireless connection and to play the streamed segment files.
- 제2항에 있어서,The method of claim 2,상기 메인 디바이스가 근거리 무선 연결을 통한 상기 음원의 재생 공유를 상기 적어도 하나의 서브 디바이스에 대해 허용하기 위해 상기 서버에서 생성된 재생 허용 키를 상기 서버로부터 수신하는 단계Receiving, by the main device, a reproduction permission key generated at the server from the server to allow reproduction of the sound source to the at least one sub device through a short range wireless connection;를 더 포함하고,More,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 재생 허용 키를 포함하는 상기 재생 명령을 상기 세그먼트 파일들과 함께 상기 적어도 하나의 서브 디바이스로 전송하는, 컴퓨터 프로그램.And transmit the play command including the play permission key along with the segment files to the at least one sub device.
- 제1항에 있어서,The method of claim 1,상기 음원을 확인하는 단계는,Checking the sound source,상기 메인 디바이스가 상기 메인 디바이스의 로컬 저장소에 저장된 음원을 메모리로 로딩하고,The main device loads a sound source stored in the local storage of the main device into a memory,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 로컬 저장소에 저장된 음원 및 상기 음원에 대한 재생 명령을 상기 수립된 근거리 무선 연결을 통해 상기 적어도 하나의 서브 디바이스로 전송하고, 상기 음원을 재생하는, 컴퓨터 프로그램.Transmitting a sound source stored in the local storage and a playback command for the sound source to the at least one sub device through the established short-range wireless connection, and playing the sound source.
- 제1항에 있어서,The method of claim 1,상기 확인된 음원은 멀티채널 오디오 신호를 포함하고,The identified sound source includes a multichannel audio signal,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 메인 디바이스와 상기 적어도 하나의 서브 디바이스가 상기 멀티채널 오디오 신호의 서로 다른 채널 신호를 재생하도록 상기 메인 디바이스가 상기 멀티채널 오디오 신호를 분리하여 적어도 일부 채널의 오디오 신호를 상기 적어도 하나의 서브 디바이스로 전송하고, 나머지 일부 채널의 오디오 신호를 상기 메인 디바이스가 재생하는, 컴퓨터 프로그램.The main device separates the multichannel audio signal so that the main device and the at least one subdevice reproduce different channel signals of the multichannel audio signal, thereby converting an audio signal of at least some channels into the at least one subdevice. And the main device reproduces audio signals of the remaining some channels.
- 제5항에 있어서,The method of claim 5,상기 메인 디바이스가 상기 수립된 근거리 무선 연결에 기반하여 상기 적어도 하나의 서브 디바이스와 통신하여 상기 적어도 하나의 서브 디바이스 각각의 위치를 식별하는 단계The main device communicating with the at least one subdevice based on the established short range wireless connection to identify a location of each of the at least one subdevice를 더 포함하고,More,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 메인 디바이스가 상기 멀티채널 오디오 신호를 채널별로 분리하고, 상기 채널별로 분리된 오디오 신호 중 상기 적어도 하나의 서브 디바이스로 전송하기 위한 채널의 오디오 신호를 상기 식별된 위치에 기반하여 결정하는, 컴퓨터 프로그램.And the main device to separate the multi-channel audio signal for each channel and to determine an audio signal of a channel for transmitting to the at least one sub device among the audio signals separated for each channel based on the identified position. .
- 제5항에 있어서,The method of claim 5,상기 메인 디바이스가 상기 적어도 하나의 서브 디바이스의 오디오 신호 출력 성능을 확인하는 단계Confirming, by the main device, audio signal output performance of the at least one sub device;를 더 포함하고,More,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 메인 디바이스가 상기 멀티채널 오디오 신호를 채널별로 분리하고, 상기 채널별로 분리된 오디오 신호 중 상기 적어도 하나의 서브 디바이스로 전송하기 위한 채널의 오디오 신호를 상기 확인된 오디오 신호 출력 성능에 기반하여 결정하는, 컴퓨터 프로그램.The main device separates the multi-channel audio signal for each channel and determines an audio signal of a channel for transmitting to the at least one sub device among the audio signals separated for each channel based on the identified audio signal output performance. , Computer program.
- 제7항에 있어서,The method of claim 7, wherein상기 오디오 신호 출력 성능을 확인하는 단계는,Confirming the audio signal output performance,상기 수립된 근거리 무선 연결을 통해 상기 적어도 하나의 서브 디바이스로부터 상기 적어도 하나의 서브 디바이스의 프로파일 정보를 수신하는 단계;Receiving profile information of the at least one subdevice from the at least one subdevice via the established short range wireless connection;상기 수신된 프로파일 정보를 이용하여 서버로 상기 적어도 하나의 서브 디바이스의 오디오 신호 출력 성능에 대한 정보를 요청하는 단계; 및Requesting information about an audio signal output capability of the at least one sub device to a server by using the received profile information; And상기 서버로부터 상기 프로파일 정보에 대응하는 디바이스의 오디오 신호 출력 성능에 대한 정보를 수신하는 단계Receiving information on an audio signal output capability of a device corresponding to the profile information from the server를 포함하는, 컴퓨터 프로그램.Including, a computer program.
- 제1항에 있어서,The method of claim 1,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 메인 디바이스와 상기 적어도 하나의 서브 디바이스에서 상기 확인된 음원의 재생 시점을 동기화하기 위해 상기 메인 디바이스가 상기 확인된 음원의 재생 시점 정보를 생성하여 상기 생성된 재생 시점 정보를 상기 확인된 음원과 함께 상기 재생 시점 정보를 상기 적어도 하나의 서브 디바이스로 전송하고, 상기 재생 시점 정보에 대응하는 시점에 상기 확인된 음원을 재생하는, 컴퓨터 프로그램.In order to synchronize the playback time of the identified sound source in the main device and the at least one sub device, the main device generates playback time information of the identified sound source, and the generated playback time information together with the identified sound source. And transmit the reproduction time information to the at least one sub device, and reproduce the identified sound source at a time corresponding to the reproduction time information.
- 메인 디바이스가 적어도 하나의 서브 디바이스와의 근거리 무선 연결을 수립하는 단계;Establishing, by the main device, a short range wireless connection with the at least one sub device;상기 메인 디바이스가 상기 적어도 하나의 서브 디바이스와 재생 공유하고자 하는 음원을 확인하는 단계; 및Identifying, by the main device, a sound source to be played back and shared with the at least one sub device; And상기 확인된 음원이 상기 적어도 하나의 서브 디바이스에서 재생될 수 있도록 상기 메인 디바이스가 상기 확인된 음원 및 상기 확인된 음원에 대한 재생 명령을 상기 수립된 근거리 무선 연결을 통해 상기 적어도 하나의 서브 디바이스로 전송하고, 상기 확인된 음원을 재생하는 단계The main device transmits a playback command for the identified sound source and the identified sound source to the at least one sub device through the established short-range wireless connection so that the identified sound source can be played in the at least one sub device. Playing the identified sound source를 포함하는 음원 재생 공유 방법.Sound source playback sharing method comprising a.
- 제10항에 있어서,The method of claim 10,상기 음원을 확인하는 단계는,Checking the sound source,상기 메인 디바이스가 상기 음원이 저장된 서버로부터 상기 음원의 세그먼트 파일들을 스트리밍받고,The main device receives the segment files of the sound source from the server where the sound source is stored,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 서버로부터 스트리밍된 세그먼트 파일들 및 상기 세그먼트 파일들에 대한 재생 명령을 상기 수립된 근거리 무선 연결을 통해 상기 적어도 하나의 서브 디바이스로 전송하고, 상기 스트리밍된 세그먼트 파일들을 재생하는, 음원 재생 공유 방법.And transmitting the segment files streamed from the server and a playback command for the segment files to the at least one sub device through the established short-range wireless connection, and playing the streamed segment files.
- 제11항에 있어서,The method of claim 11,상기 메인 디바이스가 근거리 무선 연결을 통한 상기 음원의 재생 공유를 상기 적어도 하나의 서브 디바이스에 대해 허용하기 위해 상기 서버에서 생성된 재생 허용 키를 상기 서버로부터 수신하는 단계Receiving, by the main device, a reproduction permission key generated at the server from the server to allow reproduction of the sound source to the at least one sub device through a short range wireless connection;를 더 포함하고,More,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 재생 허용 키를 포함하는 상기 재생 명령을 상기 세그먼트 파일들과 함께 상기 적어도 하나의 서브 디바이스로 전송하는, 음원 재생 공유 방법.And transmitting the play command including the play permission key together with the segment files to the at least one sub device.
- 제10항에 있어서,The method of claim 10,상기 음원을 확인하는 단계는,Checking the sound source,상기 메인 디바이스가 상기 메인 디바이스의 로컬 저장소에 저장된 음원을 메모리로 로딩하고,The main device loads a sound source stored in the local storage of the main device into a memory,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 로컬 저장소에 저장된 음원 및 상기 음원에 대한 재생 명령을 상기 수립된 근거리 무선 연결을 통해 상기 적어도 하나의 서브 디바이스로 전송하고, 상기 음원을 재생하는, 음원 재생 공유 방법.And transmitting a sound source stored in the local storage and a playback command for the sound source to the at least one sub device through the established short range wireless connection, and playing the sound source.
- 제10항에 있어서,The method of claim 10,상기 확인된 음원은 멀티채널 오디오 신호를 포함하고,The identified sound source includes a multichannel audio signal,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 메인 디바이스와 상기 적어도 하나의 서브 디바이스가 상기 멀티채널 오디오 신호의 서로 다른 채널 신호를 재생하도록 상기 메인 디바이스가 상기 멀티채널 오디오 신호를 분리하여 적어도 일부 채널의 오디오 신호를 상기 적어도 하나의 서브 디바이스로 전송하고, 나머지 일부 채널의 오디오 신호를 상기 메인 디바이스가 재생하는, 음원 재생 공유 방법.The main device separates the multichannel audio signal so that the main device and the at least one subdevice reproduce different channel signals of the multichannel audio signal, thereby converting an audio signal of at least some channels into the at least one subdevice. Transmitting, and playing the audio signal of the remaining some channels by the main device.
- 제14항에 있어서,The method of claim 14,상기 메인 디바이스가 상기 수립된 근거리 무선 연결에 기반하여 상기 적어도 하나의 서브 디바이스와 통신하여 상기 적어도 하나의 서브 디바이스 각각의 위치를 식별하는 단계The main device communicating with the at least one subdevice based on the established short range wireless connection to identify a location of each of the at least one subdevice를 더 포함하고,More,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 메인 디바이스가 상기 멀티채널 오디오 신호를 채널별로 분리하고, 상기 채널별로 분리된 오디오 신호 중 상기 적어도 하나의 서브 디바이스로 전송하기 위한 채널의 오디오 신호를 상기 식별된 위치에 기반하여 결정하는, 음원 재생 공유 방법.The main device separates the multi-channel audio signal for each channel, and determines the audio signal of the channel for transmitting to the at least one sub-device among the audio signal separated for each channel based on the identified position, sound source playback How to share.
- 제14항에 있어서,The method of claim 14,상기 메인 디바이스가 상기 적어도 하나의 서브 디바이스의 오디오 신호 출력 성능을 확인하는 단계Confirming, by the main device, audio signal output performance of the at least one sub device;를 더 포함하고,More,상기 확인된 음원을 재생하는 단계는,Reproducing the identified sound source,상기 메인 디바이스가 상기 멀티채널 오디오 신호를 채널별로 분리하고, 상기 채널별로 분리된 오디오 신호 중 상기 적어도 하나의 서브 디바이스로 전송하기 위한 채널의 오디오 신호를 상기 확인된 오디오 신호 출력 성능에 기반하여 결정하는, 음원 재생 공유 방법.The main device separates the multi-channel audio signal for each channel and determines an audio signal of a channel for transmitting to the at least one sub device among the audio signals separated for each channel based on the identified audio signal output performance. How to share, play music.
- 제10항 내지 제16항 중 어느 한 항의 방법을 컴퓨터에 실행시키기 위한 컴퓨터 프로그램이 기록되어 있는 것을 특징으로 하는 컴퓨터에서 판독 가능한 기록매체.A computer-readable recording medium having recorded thereon a computer program for causing a computer to execute the method of any one of claims 10 to 16.
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