# US 2021/0344941 A1 · Method and Apparatus for Providing a Sign Language Video along with a Primary Video on Different Channels > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0344941 A1 - Document ID: US20210344941A1 - Status: Published application - Kind: A1 - Application number: 17/373,642 - Filed: 2021-07-12 - Published: 2021-11-04 - Earliest claimed: 2018-01-17 - Assignees: Twentieth Century Fox Film Corporation - Applicants: Twentieth Century Fox Film Corporation - Inventors: Michael A. Radford - Web page: https://patentgrep.com/patent/US20210344941A1 ## CPC - H04N 19/46: Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence) - H04N 19/176: the region being a block, e.g. a macroblock - H04N 21/2347: involving video stream encryption - H04N 21/2353: {specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata} - H04N 21/2365: Multiplexing of several video streams - H04N 21/242: Synchronisation processes, e.g. processing of PCR [Programme Clock References] {(arrangements for synchronising broadcast or distribution via plural systems in broadcast distribution systems H04H20/18)} - H04N 21/4884: {for displaying subtitles} - H04N 21/8456: {by decomposing the content in the time domain, e.g. in time segments} - H04N 21/8547: involving timestamps for synchronizing content - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract There is provided a method of providing a sign language video along with a primary video and a primary audio corresponding to the primary video. The method includes generating a plurality of sign language video frames, each of the plurality of sign language video frames representing a respective portion of the sign language video, wherein the sign language video includes sign language corresponding to the primary audio, providing a plurality of primary video frames on a first channel, each of the plurality of primary video frames representing a respective portion of the primary video, and providing the plurality of sign language video frames on a second channel different than the first channel. ## Claims ### Claim at position 1 1-20. (canceled) ### Claim at position 2 21: A method of providing a sign language video along with a primary video and a primary audio corresponding to the primary video, the method comprising: generating a plurality of sign language video frames, each of the plurality of sign language video frames representing a respective portion of the sign language video, wherein the sign language video includes sign language corresponding to the primary audio; providing a plurality of primary video frames on a first channel, each of the plurality of primary video frames representing a respective portion of the primary video; and providing the plurality of sign language video frames on a second channel different than the first channel. ### Claim at position 3 (depends on 21) 22: The method of claim 21, wherein the first channel is a video channel in a digital cinema package, and wherein the second channel is an audio channel in the digital cinema package. ### Claim at position 4 (depends on 21) 23: The method of claim 21, wherein the first channel is a video channel in a video stream, and wherein the second channel is an audio channel in the video stream. ### Claim at position 5 (depends on 21) 24: The method of claim 21, further comprising: providing a plurality of primary audio frames on a third channel different than the first channel and the second channel, each of the plurality of primary audio frames representing a respective portion of the primary audio. ### Claim at position 6 (depends on 24) 25: The method of claim 24, wherein the first channel is a video channel, wherein the second channel is an audio channel, and wherein the third channel is another audio channel. ### Claim at position 7 (depends on 21) 26: The method of claim 21, further comprising: providing metadata relating to the plurality of sign language video frames provided on the second channel. ### Claim at position 8 (depends on 26) 27: The method of claim 26, wherein the metadata defines a length of each of the plurality of sign language video frames. ### Claim at position 9 (depends on 26) 28: The method of claim 26, wherein the metadata is usable to synchronize the plurality of sign language video frames with the plurality of primary video frames. ### Claim at position 10 (depends on 21) 29: The method of claim 21, further comprising: providing metadata indicating presence of the plurality of sign language video frames on the second channel. ### Claim at position 11 (depends on 29) 30: The method of claim 29, wherein the metadata include a language tag. ### Claim at position 12 31: An apparatus for providing a sign language video along with a primary video and a primary audio corresponding to the primary video, the apparatus comprising: a processor; and a memory communicatively coupled to the processor, the memory storing processor instructions; the processor configured to execute the processor instructions to: generate a plurality of sign language video frames, each of the plurality of sign language video frames representing a respective portion of the sign language video, wherein the sign language video includes sign language corresponding to the primary audio; provide a plurality of primary video frames on a first channel, each of the plurality of primary video frames representing a respective portion of the primary video; and provide the plurality of sign language video frames on a second channel different than the first channel. ### Claim at position 13 (depends on 31) 32: The apparatus of claim 31, wherein the first channel is a video channel in a digital cinema package, and wherein the second channel is an audio channel in the digital cinema package. ### Claim at position 14 (depends on 31) 33: The apparatus of claim 31, wherein the first channel is a video channel in a video stream, and wherein the second channel is an audio channel in the video stream. ### Claim at position 15 (depends on 31) 34: The apparatus of claim 31, wherein the processor is further configured to execute the processor instructions to: provide a plurality of primary audio frames on a third channel different than the first channel and the second channel, each of the plurality of primary audio frames representing a respective portion of the primary audio. ### Claim at position 16 (depends on 34) 35: The apparatus of claim 34, wherein the first channel is a video channel, wherein the second channel is an audio channel, and wherein the third channel is another audio channel. ### Claim at position 17 (depends on 31) 36: The apparatus of claim 31, wherein the processor is further configured to execute the processor instructions to: provide metadata relating to the plurality of sign language video frames provided on the second channel. ### Claim at position 18 (depends on 36) 37: The apparatus of claim 36, wherein the metadata defines a length of each of the plurality of sign language video frames. ### Claim at position 19 (depends on 36) 38: The apparatus of claim 36, wherein the metadata is usable to synchronize the plurality of sign language video frames with the plurality of primary video frames. ### Claim at position 20 (depends on 31) 39: The apparatus of claim 31, wherein the processor is further configured to execute the processor instructions to: providing metadata indicating presence of the plurality of sign language video frames on the second channel. ### Claim at position 21 (depends on 39) 40: The apparatus of claim 39, wherein the metadata include a language tag.