# US 10,313,720 B2 · Insertion of metadata in an audio stream > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,313,720 B2 - Document ID: US10313720B2 - Status: Granted - Kind: B2 - Application number: 14/913,791 - Filed: 2015-07-09 - Published: 2017-05-04 - Granted: 2019-06-04 - Earliest claimed: 2014-07-18 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Ikuo Tsukagoshi - Web page: https://patentgrep.com/patent/US10313720B2 ## CPC - H04N 21/2368: Multiplexing of audio and video streams - H04N 21/236: Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream {(multiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)} - H04N 21/2362: Generation or processing of Service Information [SI] - H04N 21/434: Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream {(demultiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00)} - H04N 21/4341: {Demultiplexing of audio and video streams} - H04N 21/436: Interfacing a local distribution network, e.g. communicating with another STB {or one or more peripheral devices} inside the home - H04N 21/43635: {HDMI} - H04N 21/6336: directed to decoder - H04N 21/84: Generation or processing of descriptive data, e.g. content descriptors {(systems specially adapted for using meta-information in broadcast systems H04H60/73)} - H04N 21/8586: {by using a URL (processing chained hypermedia data for information retrieval G06F16/94; information retrieval from the Internet by using URLs G06F16/955; URL in broadcast information H04H20/93; Web-based protocols H04L67/02)} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A reception side can easily recognize that metadata is inserted into an audio stream. A container of a predetermined format including an audio stream into which metadata is inserted is transmitted. Identification information indicating that the metadata is inserted into the audio stream is inserted into a layer of the container. At the reception side, it is possible to easily recognize that the metadata is inserted into the audio scream and acquire the metadata reliably without waste by performing the process of extracting the metadata inserted into the audio stream based on the recognition. ## Claims ### Claim 1 A reception device, comprising: circuitry configured to: receive a container of a specific format, wherein the container includes: an audio stream into which metadata is inserted; and a layer into which identification information is inserted, wherein the identification information indicates that the metadata is inserted into the audio stream, wherein the identification information further indicates a frequency of the metadata inserted into the audio stream, and wherein the metadata includes access information to access a service; and transmit the audio stream and the identification information to an external device via a transmission path. ### Claim 2 (depends on 1) The reception device according to claim 1, wherein the circuitry is further configured to: decode a video stream included in the container to obtain a blanking period of time of image data; insert the audio stream and the identification information into the blanking period of time of the image data; and transmit the image data to the external device. ### Claim 3 (depends on 2) The reception device according to claim 2, wherein the transmission path includes a high definition multimedia interface (HDMI) cable. ### Claim 4 A reception method, comprising: receiving, by circuitry, a container of a specific format, the container including: an audio stream into which metadata is inserted; and a layer into which identification information is inserted, wherein the identification information indicates that the metadata is inserted into the audio stream, wherein the identification information further indicates a frequency of the metadata inserted into the audio stream, and wherein the metadata includes access information to access a service; and transmitting the audio stream and the identification information to an external device via a transmission path. ### Claim 5 (depends on 4) The reception method according to claim 4, further comprising: decoding a video stream included in the container to obtain a blanking period of time of image data; inserting the audio stream and the identification information into the blanking period of time of the image data; and transmitting the image data to the external device. ### Claim 6 (depends on 4) The reception method according to claim 4, wherein the transmission path includes a high definition multimedia interface (HDMI) cable. ### Claim 7 (depends on 1) The reception device according to claim 1, wherein the metadata further includes reproduction control information that indicates reproduction of media associated with a video stream included in the container. ### Claim 8 (depends on 1) The reception device according to claim 1, wherein the identification information further indicates a type of the metadata inserted into the audio stream.