# US 12,225,226 B2 · Signaling high dynamic range and wide color gamut content in transport streams > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,225,226 B2 - Document ID: US12225226B2 - Status: Granted - Kind: B2 - Application number: 18/198,204 - Filed: 2023-05-16 - Published: 2023-10-26 - Granted: 2025-02-11 - Earliest claimed: 2015-09-23 - Assignees: ARRIS Enterprises LLC - Applicants: ARRIS Enterprises LLC - Inventors: Mandayam Narasimhan; Ajay Luthra - Web page: https://patentgrep.com/patent/US12225226B2 ## CPC - H04N 19/463: by compressing encoding parameters before transmission - H04N 19/186: the unit being a colour or a chrominance component - H04N 19/187: the unit being a scalable video layer - H04N 19/30: using hierarchical techniques, e.g. scalability (H04N19/63 takes precedence) - H04N 19/70: characterised by syntax aspects related to video coding, e.g. related to compression standards - H04N 21/234327: {by decomposing into layers, e.g. base layer and one or more enhancement layers} - H04N 21/2353: {specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A program map table in a transport stream comprising an elementary stream identifier indicating a particular elementary stream, a high dynamic range flag indicating the presence or absence of high dynamic range content within the elementary stream, and a wide color gamut flag indicating the presence or absence of wide color gamut content within the elementary stream. ## Claims ### Claim 1 An apparatus including a processor receiving a multiplexed bit stream, the apparatus comprising: (a) said multiplexed bit stream includes a program map table; (b) said program map table indicates an elementary stream with a stream type and an elementary stream identifier; (c) said elementary stream indicates a High Efficiency Video Coding (HEVC) stream by using a particular stream type value; (d) a High Efficiency Video Coding video descriptor associated with said HEVC stream signaling a presence or an absence of a high dynamic range (HDR) content and/or a wide color gamut (WCG) content in said elementary stream; (e) wherein said high dynamic range (HDR) content and said wide color gamut (WCG) content are signaled in 2 bits of a single syntax element that indicates the presence or absence of HDR and/or WCG content. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein said syntax element signals both the presence or absence of HDR and/or WCG using two bits. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein said HEVC video descriptor is included in a bitstream encoded with HEVC. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content, wherein said single syntax element can selectively have no indication regarding high dynamic range (HDR) content, the wide color gamut (WCG) content, nor standard dynamic range (SDR) content. ### Claim 8 A method of decoding a video included in a multiplexed bit stream, the method comprising: (a) receiving at a decoder said multiplexed bit stream that includes a program map table; (b) receiving at said decoder said program map table that indicates an elementary stream with stream type and elementary stream identifier; (c) receiving at said decoder said elementary stream that indicates a High Efficiency Video Coding (HEVC) stream by using a particular stream type value; (d) receiving at said decoder an HEVC video descriptor associated with said HEVC stream signaling a presence or absence of a high dynamic range (HDR) content and a wide color gamut (WCG) content in said elementary stream; (e) wherein said high dynamic range (HDR) content and said wide color gamut (WCG) content are signaled in 2 bits of a single syntax element that indicates the presence or absence of HDR and/or WCG content. ### Claim 9 (depends on 8) The method of claim 8, wherein said syntax element signals both the presence or absence of HDR and/or WCG using two bits. ### Claim 10 (depends on 9) The method of claim 9, wherein said HEVC video descriptor is included in a bitstream encoded with HEVC. ### Claim 11 (depends on 8) The method of claim 8, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content. ### Claim 12 (depends on 8) The method of claim 8, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content. ### Claim 13 (depends on 8) The method of claim 8, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content. ### Claim 14 (depends on 8) The method of claim 8, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content, wherein said single syntax element can selectively have no indication regarding high dynamic range (HDR) content, the wide color gamut (WCG) content, nor standard dynamic range (SDR) content. ### Claim 15 An apparatus including a processor providing a multiplexed bit stream, the apparatus comprising: (a) said multiplexed bit stream includes a program map table provided together with a bitstream of video; (b) said program map table indicates an elementary stream with a stream type and an elementary stream identifier; (c) said elementary stream indicates a High Efficiency Video Coding (HEVC) stream by using a particular stream type value; (d) a High Efficiency Video Coding video descriptor associated with said HEVC stream signaling a presence or an absence of a high dynamic range (HDR) content and a wide color gamut (WCG) content in said elementary stream; (e) wherein said high dynamic range (HDR) content and said wide color gamut (WCG) content are signaled in 2 bits of a single syntax element that indicates the presence or absence of HDR and/or WCG content. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein said syntax element signals both the presence or absence of HDR and/or WCG using two bits. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein said HEVC video descriptor is included in a bitstream encoded with HEVC. ### Claim 18 (depends on 15) The apparatus of claim 15, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content. ### Claim 19 (depends on 15) The apparatus of claim 15, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content. ### Claim 20 (depends on 15) The apparatus of claim 15, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content. ### Claim 21 (depends on 15) The apparatus of claim 15, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content, wherein said single syntax element can selectively have no indication regarding high dynamic range (HDR) content, the wide color gamut (WCG) content, nor standard dynamic range (SDR) content. ### Claim 22 A method of encoding a video included in a multiplexed bit stream, the method comprising: (a) providing said multiplexed bit stream that includes a program map table; (b) providing said program map table that indicates an elementary stream with stream type and elementary stream identifier; (c) providing said elementary stream that indicates a High Efficiency Video Coding (HEVC) stream by using a particular stream type value; (d) providing an HEVC video descriptor associated with said HEVC stream signaling a presence or absence of a high dynamic range (HDR) content and a wide color gamut (WCG) content in said elementary stream; (e) wherein said high dynamic range (HDR) content and said wide color gamut (WCG) content are signaled in 2 bits of a single syntax element that indicates the presence or absence of HDR and/or WCG content. ### Claim 23 (depends on 22) The method of claim 22, wherein said syntax element signals both the presence or absence of HDR and/or WCG using two bits. ### Claim 24 (depends on 23) The method of claim 23, wherein said HEVC video descriptor is included in a bitstream encoded with HEVC. ### Claim 25 (depends on 22) The method of claim 22, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content. ### Claim 26 (depends on 22) The method of claim 22, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content. ### Claim 27 (depends on 22) The method of claim 22, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content. ### Claim 28 (depends on 22) The method of claim 22, wherein said single syntax element can selectively indicate the presence of standard dynamic range (SDR) content, wherein said single syntax element can selectively indicate the presence of the wide color gamut (WCG) content, wherein said single syntax element can selectively indicate the presence of the high dynamic range (HDR) content and the wide color gamut (WCG) content, wherein said single syntax element can selectively have no indication regarding high dynamic range (HDR) content, the wide color gamut (WCG) content, nor standard dynamic range (SDR) content.