Samsung Electronics Co., Ltd.

Il-ju Na

Jae-min Lee

Soo-Young Kim

Suk-Jin Yun

Jong-hwa Kim

Kyeong-jae Lee

Lochan Verma

Chang-Yeul Kwon

Seung-kwon Park

Bong-hwan Cho

Jeong-tae Kim

Harkirat Singh

Seung-Hwan Kim

Jong-wook Park

Yang-lim Choi

Do-hyoung Kim

Young-jae Kim

Sung-bum Park

Kyung-ik Cho

Chil-Youl Yang

Ji-Sung Oh

Guoping Fan

Jae-hwa Kim

Goan-Soo Seong

Jin-Woo Jeong

Jeong-joo Jeong

Dae-yong Sim

Yang-Iim Choi

Hye-yeon Na

Jae-dae Chang

A method and apparatus for providing a user input back channel (UIBC) in an audio/video (AV) source device and an AV sink device communicating according to a wireless fidelity (Wi-Fi) display (WFD) standard is provided. The method includes: setting up an AV control session and an AV data session between the AV source devices according to the WFD standards; enabling the UIBC from the AV sink device to the AV source device by using the AV control session; and transmitting a user input from the AV sink device to the AV source device through the UIBC.

Method and apparatus for providing user input back channel in audio/video system

A method and device for discovering a WiFi display service in a Wi-Fi direct (WFD) network, the method includes: generating a service discovery request frame for discovering a service supported by a second WFD device in the WFD network; transmitting the service discovery request frame to the second WFD device; and receiving a service discovery response frame from the second WFD device in response to the service discovery request frame, wherein the service discovery request frame and the service discovery response frame are generated by using a generic advertising service (GAS) initial request frame of 802.11u and a GAS initial response frame of 802.11u, respectively.

Method and device for investigating WiFi display service in a WiFi direct network

Provided are data transmitting apparatuses and methods, data receives apparatuses and methods, and data transceiving systems and methods. A data transmitting apparatus includes: a packet generator configured to generate an audio metadata packet; and a transmitter configured to transmit the generated audio metadata packet to a data receiving apparatus, wherein a header of the generated audio metadata packet includes a split screen information field in relation to audio data represented by the generated audio metadata packet.

Data transmitting apparatus, data receiving apparatus, data transceiving system, method for transmitting data, and method for receiving data

A data transmitting apparatus includes a packet generator which generates a plurality of packets regarding multi-channel audio sample data and transmitter which transmits the plurality of generated packets to a data receiving apparatus. Each of the plurality of packets includes an identifier field to distinguish a position or an order of the packets.

Data transmitting apparatus, data receiving apparatus, data transceiving system, data transmitting method, data receiving method and data transceiving method configured to distinguish packets

A data transmitting apparatus is provided. The data transmitting apparatus includes a packet generator configured to generate a packet including a plurality of sub packets and a transmitter configured to transmit the generated packet to a data receiving apparatus. Each of the plurality of sub packets includes audio data corresponding to content among a plurality of contents.

Data transmitting apparatus, data receiving apparatus, data transreceiving system, data transmitting method, data receiving method and data transreceiving

A method and apparatus for transmitting content from a source device are provided. The method includes transmitting a message to a branch device and a second device inquiring whether a conversion function for converting content that is streamed to a first device, is installed on the branch device or second device; receiving a response to the transmitted message; transmitting a message requesting conversion of the content to the branch device or the second device, which includes the conversion function; and transmitting the content to the branch device. The content is relayed to the second device by the branch device, and is converted by the branch device or the second device according to performance capabilities of the second device.

Method and apparatus for transmitting content to plurality of devices

A data transmitting apparatus is disclosed. The data transmitting apparatus includes a block generator which generates an Extended Display Identification Data (EDID) block regarding multi-channel audio data; and a transmitter which transmits the EDID block to a data receiving apparatus, wherein the EDID block includes at least one of a first sub block representing 3D audio characteristics of the multi-channel audio data, a second sub block representing 3D speaker placement information of the multi-channel audio data, and a third sub block representing multi-stream audio characteristics of the multi-channel audio data.

Data transmitting apparatus, data receiving apparatus, data transceiving system, data transmitting method, and data receiving method

A method and apparatus for transmitting and receiving data. The method and apparatus previously determines a validity of a data transmission path for transmitting a stream from a source device to a sink device. The validity of the transmission path is verified by checking and securing the data transmission path, thereby executing a streaming service based on the validity.

Method and apparatus for transmitting and receiving data based on secured path bandwidth in network established by using audio/video interface

A method and apparatus for establishing a communication link between a first device and a second device are provided. The method includes transmitting, to the second device, a connection request frame requesting to set a communication link; and receiving, from the second device, the connection request frame including first encoding selection information selecting an encoding method to be applied to content to be transmitted between the first and second devices from among a digital transmission content protection (DTCP) technology and a high-bandwidth digital content protection (HDCP) technology, a connection response frame approving a request to set the communication link by the connection request frame, the connection response frame including second encoding selection information selecting an encoding method identical to the encoding method selected by the connection request frame.

Method for generating a communication link between devices, and apparatus for same

Data transmitting apparatus, data receiving apparatus, data transreceiving system, data transmitting method, data receiving method and data transreceiving method

A method for waking a device from a power save mode to an active mode includes: transmitting, by a first device, a magic packet through a predetermined channel to a second device, which operates in the power save mode by repeating a doze state and an awake state according to a predetermined period of time, for notifying the second device to switch to the active mode; and retransmitting the magic packet to the second device through the predetermined channel if a response to the magic packet has not been received from the second device and a predetermined time has not elapsed after transmitting the magic packet through the predetermined channel.

Method and apparatus for waking device from power save mode

A method and apparatus for multiplexing a plurality of streams transmitted and received via an audio/video (AV) link by allocating to the plurality of streams a plurality of basic units included in a transmission unit, and generating and transmitting an additional plurality of transmission units.

Method and apparatus for multiplexing and demultiplexing data transmitted and received by using audio/video interface

A media player device and a method for wake-up thereof are provided. The method includes: when the media player device is in a standby mode, checking whether an external device is connected to the plurality of contact locations; and if the external device is connected to the media player device, waking up the media player device.

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Yongin-si, South Korea

Il-ju Na