Abstract: A method according to the present disclosure comprises determining a first synchronization value associated with a point in time at which reception of the audio data of each of a first device and a second device is completed; determining a second synchronization value for synchronizing points in time at which the audio data is output from the first device and the second device; determining a first synchronization reference time point based on the first synchronization value and the second synchronization value; performing a specific operation associated with transmitting the audio data; and transmitting, to each of the first device and the second device, the audio data on a specific channel associated with transmitting the audio data, wherein the audio data is transmitted based on the first synchronization reference time point and a second synchronization reference time point determined based on a specific time value for the specific operation.

Abstract: An electronic device, according to various embodiments, comprises a communication interface, a processor, and a memory. The memory may store instructions that, when executed, cause the processor to: obtain a user utterance; confirm context information associated with the user utterance; on the basis of the context information, select, as a target device, at least one external electronic device from among a plurality of external electronic devices; and via the communication interface, transmit at least a part of the context information to the at least one external electronic device selected as the target device. Various other embodiments are possible.

Abstract: A method of transmitting and receiving data in a short-range wireless communication system, and a device therefor are provided.

Abstract: Disclosed are a method and apparatus for transmitting, by a first terminal, a first positioning reference signal (PRS) for relative positioning in a communication system that supports sidelink communication that supports a sidelink according to various embodiments. Disclosed are a method comprising the steps of: receiving a second PRS requesting transmission of the first PRS from a second terminal; measuring an angle of arrival (AoA) on the basis of the second PRS; determining a first PRS pattern of the first PRS on the basis of the AoA; determining a time resource region in which the transmission of the first PRS is requested on the basis of a second PRS pattern of the second PRS; and transmitting the first PRS on the basis of the first PRS pattern and the determined time resource region, and an apparatus therefor.

Abstract: The present specification relates to a method by which a source device transmits audio data in a short-range wireless communication system, and to an apparatus for same. The method proposed in the present specification comprises the steps of: establishing a connection with a sink device; performing a setup procedure for transmitting the audio data with the sink device on the basis of the established connection; and transmitting, to the sink device, the audio data on the basis of the setup procedure, wherein the steps of performing a setup procedure further comprises a step of transmitting, to the sink device, timing information on a transmission timing of the audio data and metadata information for transmission of the audio data, and the audio data is transmitted without transmission of a periodic advertisement message for transmitting the timing information and the metadata information.

Abstract: The present disclosure relates to a method and device for a control device to set an audio channel in a wireless communication system by using Bluetooth Low Energy technology. According to the present disclosure, an advertising packet is received from each of a plurality of devices, wherein the advertising packet includes at least one among location information, codec information, and/or role information for the respective device. The control device transmits a plurality of pieces of setting information, for providing an audio service, to the plurality of devices on the basis of the advertising packet, wherein each piece of setting information includes delay information about the respective device, and the control device transmits channel setting information for an isochronous channel, for providing the audio service, to the plurality of devices.

Abstract: A method of transmitting audio data in a short-range wireless communication system, and a device therefor are provided. More specifically, a method of transmitting, by a master device, audio data in a short-range wireless communication system comprises transmitting, to at least one first slave device, the audio data based on a broadcast scheme; and receiving, from at least one second slave device, data generated based on a user input based on a unicast scheme, wherein (i) a transmission of the audio data and (ii) a reception of the data generated based on the user input are performed based on at least one time duration periodically allocated for (i) the transmission of the audio data and (ii) the reception of the data generated based on the user input, and wherein each of the at least one time duration includes (i) a first time duration for the transmission of the audio data and (ii) a second time duration for the reception of the data generated based on the user input.

Abstract: In the present disclosure, a method comprising: receiving a first advertisement message for measuring a declination angle between devices; measuring each declination angle between a reference point set in the control device and positions of at least one device based on the first advertisement message, wherein the positions of the at least one device are respectively adjusted such that each declination angle satisfies a specific angle for receiving a voice signal, based on the measured respective declination angles; receiving each of a first voice signals based on the respective adjusted positions from the at least one device; and measuring a volume of the received first voice signal, respectively, wherein based on the measured volume, an audio signal output angle of the at least one device is adjusted such that an audio signal received by the control device is incident at right angles to the control device.

Abstract: Provided are a method for transmitting and receiving data and a device for same in a short-range wireless communication system. More specifically, the method comprises the steps of: receiving, from a first slave device, a first advertising message for providing a service related to transmitting and receiving the data; forming a shared link, which is for transmitting and receiving the data and is formed on the basis of the first advertising message, on the basis of link parameters for the configuration of the shared link, the shared link including (i) a first link for data transmission from a master device to a slave device, and (ii) a second link for data transmission from the slave device to the master device; and receiving, from a second slave device, a second advertising message for providing the service.

Abstract: The present disclosure relates to a method by which a third device transmits audio data in a short-range wireless communication system, and to an apparatus therefor. According to the present specification, the method by which a third device transmits audio data in a short-range wireless communication system comprises the steps of: transmitting, to at least one device, a first advertisement message for providing a broadcast audio data streaming service; transmitting, to the at least one device, a second advertisement message related to synchronization of an audio data output time point, wherein the second advertisement message includes force delay information for synchronizing a time point at which the audio data is output from each of the at least one device; and transmitting the audio data to the at least one device, wherein the time point at which the audio data is output from each of the at least one device is determined on the basis of the force delay information.

Abstract: According to various embodiments of the present disclosure, a method of operating a first apparatus in a short-range wireless communication system, the first apparatus includes: a first processor corresponding to a host stack; a second processor corresponding to a controller stack; a memory; an input device corresponding to a user interface (UI); an output device corresponding to the UI; and a transceiver, wherein the host stack and the controller stack are connected through a host controller interface (HCI), the method comprising: receiving a switching input from a basic mode to a hybrid mode based on an input of the UI, wherein the first apparatus corresponds to a host, a second apparatus corresponds to a peripheral device, and the first apparatus and the second apparatus are connected through a generic attribute profile (GATT) channel; transmitting a first command message instructing the second apparatus to switch to the hybrid mode, wherein the first command message includes ultra low latency human interf

Abstract: Provided are a method for transmitting isochonous data in a short-distance wireless communication system, and an apparatus therefor. More specifically, the method for transmitting, by a slave device, isochronous data in a short-distance wireless communication system includes: establishing a connection with a master device to transmit the isochronous data to the master device; and transmitting, to the master device, the isochronous data through a channel for transmission of the isochronous data, based on the established connection, and the transmission of the isochronous data through the channel is performed based on a periodically allocated transmission interval, and the isochronous data is data generated based on a user input.

Abstract: According to various embodiments of the present disclosure, a method of operating a first apparatus in a short-range wireless communication system, the first apparatus includes: a first processor corresponding to a host stack; a second processor corresponding to a first controller stack; a memory; and a transceiver, wherein the host stack and the first controller stack are connected through a host controller interface (HCI), the method includes: in relation to data transport from the first controller stack of the first apparatus to a second controller stack of a second apparatus, transporting, from the first processor to the second processor, HCI command information configured so that there is no buffering in the first controller stack; transporting a plurality of service data units (SDUs) generated by the first processor to the second processor—each of the plurality of SDUs is transported to the second processor apart at each configured sub interval-; and based on the HCI command information, transporting, b

Abstract: A method for receiving audio data using Bluetooth Low Energy technology comprises: receiving, from a server device, a first advertisement message including information for providing an audio streaming service and a second advertisement message including synchronization information for synchronization between the client device and the server device; receiving, from the server device, a third advertisement message including transmission timing information of the audio data related to the audio streaming service, wherein audio data information for providing information on the audio data is included in at least one of the second advertisement message and the third advertisement message; receiving, from the server device, the audio data through isochronous channel; obtaining, from an user, specific information related to whether to permit a provision of the audio streaming service based on the audio data information; and decoding the audio data based on the specific information representing permission to provide t

Abstract: A method for receiving audio data using Bluetooth Low Energy technology, the method performed by a client device comprising: receiving, from a server device, a first advertisement message including information for providing an audio streaming service; receiving, from the server device, a second advertisement message including synchronization information for synchronization between the client device and the server device; receiving, from the server device, a third advertisement message including an indicator representing that audio data of the audio streaming service is grouped with audio data information for the audio data and transmitted; receiving, from the server device, broadcast audio data including the grouped audio data and the audio data information based on the indicator, through an isochronous channel; obtaining, from an user, specific information related to whether to permit a provision of the audio streaming service based on the audio data information; and decoding the audio data based on the s

Abstract: A method performed by a control device includes transmitting, to a first device, a signal for configuring an audio data output volume of the first device as a reference value, transmitting, to the first device, a test stream for calibration on an audio data output volume of devices consisting of a multi-channel surround system, and measuring an audio data output of the first device based on the reference value and the test stream. Further operations include transmitting, to second and third devices, a signal for configuring an audio data output volume of each of the second and third devices as a specific value, transmitting the test stream to the second and third devices, and measuring audio data outputs of each of the second and third devices which is outputted based on the specific value and the test stream.

Abstract: A method for a control device to control a connection between a first device and a second device using short-range wireless communication, the method comprising: transmitting, to the first device, a first message including a first operation code for reconnection after an initial connection between the first device and the second device is established, wherein the first operation code includes a first code instructing storage of an address of the second device in a first white list including addresses of devices connected to the first device at least once; transmitting, to the second device, a second message including a second operation code for the reconnection, wherein the second operation code includes a second code instructing storage of an address of the first device in a second white list including addresses of devices connected to the second device at least once; and instructing the first device and the second device to form a connection between the first device and the second device, wherein each of th

Abstract: The present disclosure provides a method of receiving audio data using Bluetooth Low Energy technology.

Abstract: According to the present disclosure, the method for receiving the audio data by the first device, comprises: transmitting, to a third device, a notification message requesting a change of a configuration related to audio data streaming of the first device, wherein the notification message includes configuration change information for changing the configuration related to the audio data streaming; performing, with the third device, a configuration change procedure for changing the configuration related to the audio data streaming, on the basis of the notification message; and receiving, from the third device, audio data related to the audio data streaming, on the basis of the changed configuration related to the audio data streaming, wherein the configuration change procedure is initiated on the basis of the notification message, and the configuration related to the audio data streaming is changed on the basis of the configuration change information.

Abstract: The present disclosure relates to a method by which a third device transmits audio data in a short-range wireless communication system, and an apparatus for same. According to the present disclosure, the method comprising: receiving, from a first device and a second device, capability information related to the audio data output capabilities of the first device and the second device; determining, based on the capability information, whether to form a channel for audio data transmission between the first device and the second device; transmitting, to the first device and the second device, setting information for outputting audio data of the first device and the second device, based on the determination result; and transmitting the audio data to the first device and the second device, wherein the positions and the audio data output time points of the first device and the second device are determined based on the setting information.