MX2022013497A - Sistema para la recuperación de la fluctuación de un transcodificador. - Google Patents

Sistema para la recuperación de la fluctuación de un transcodificador.

Info

Publication number
MX2022013497A
MX2022013497A MX2022013497A MX2022013497A MX2022013497A MX 2022013497 A MX2022013497 A MX 2022013497A MX 2022013497 A MX2022013497 A MX 2022013497A MX 2022013497 A MX2022013497 A MX 2022013497A MX 2022013497 A MX2022013497 A MX 2022013497A
Authority
MX
Mexico
Prior art keywords
time stamps
presentation time
video stream
transcoder
input video
Prior art date
Application number
MX2022013497A
Other languages
English (en)
Inventor
Veldhuisen Brenda Lea Van
Robert S Nemiroff
Original Assignee
Arris Entpr Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arris Entpr Llc filed Critical Arris Entpr Llc
Publication of MX2022013497A publication Critical patent/MX2022013497A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/205—Arrangements for detecting or preventing errors in the information received using signal quality detector jitter monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams
    • H04N21/2335—Processing of audio elementary streams involving reformatting operations of audio signals, e.g. by converting from one coding standard to another
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—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
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—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
    • H04N21/2365—Multiplexing of several video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—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
    • H04N21/2368—Multiplexing of audio and video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—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
    • H04N21/4347—Demultiplexing of several video streams

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Systems (AREA)

Abstract

Un sistema para transcodificar un flujo de video digital mediante el uso de un transcodificador incluye recibir un flujo de video digital que incluye un flujo de video de entrada y extraer un primer conjunto de sellos de tiempo de presentación del flujo de video de entrada que se almacenan en una tabla. El sistema transcodifica el flujo de video de entrada, incluido el primer conjunto de sellos de tiempo de presentación desde un conjunto inicial de características a un conjunto modificado de características que incluye un segundo conjunto de sellos de tiempo de presentación que son diferentes del primer conjunto de sellos de tiempo de presentación. El sistema procesa el segundo conjunto de sellos de tiempo de presentación del flujo de video transcodificado para determinar si los segundos sellos de tiempo de presentación incluyen la fluctuación, y en función de determinar el segundo conjunto de sellos de tiempo de presentación incluyen la fluctuación que modifica el segundo conjunto de sellos de tiempo de presentación en función del primer conjunto de sellos de tiempo de presentación en la tabla.
MX2022013497A 2020-04-28 2021-04-19 Sistema para la recuperación de la fluctuación de un transcodificador. MX2022013497A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063016502P 2020-04-28 2020-04-28
PCT/US2021/028014 WO2021221946A1 (en) 2020-04-28 2021-04-19 System for jitter recovery from a transcoder

Publications (1)

Publication Number Publication Date
MX2022013497A true MX2022013497A (es) 2023-01-16

Family

ID=75870750

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022013497A MX2022013497A (es) 2020-04-28 2021-04-19 Sistema para la recuperación de la fluctuación de un transcodificador.

Country Status (4)

Country Link
US (1) US11496795B2 (es)
CA (1) CA3176512A1 (es)
MX (1) MX2022013497A (es)
WO (1) WO2021221946A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU101216B1 (de) * 2019-05-15 2020-11-16 Phoenix Contact Gmbh & Co Technik zur Korrektur eiines Zeitparameters

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US6363207B1 (en) * 1998-10-22 2002-03-26 Sony Corporation Method and apparatus for a virtual system time clock for digital audio/video processor
US6512552B1 (en) * 1999-03-29 2003-01-28 Sony Corporation Subpicture stream change control
JP2001251616A (ja) * 2000-03-02 2001-09-14 Media Glue Corp 多重化音響・動画圧縮符号化信号変換方法、装置および変換プログラムを記録した媒体
US20030200548A1 (en) 2001-12-27 2003-10-23 Paul Baran Method and apparatus for viewer control of digital TV program start time
US7084898B1 (en) * 2003-11-18 2006-08-01 Cisco Technology, Inc. System and method for providing video conferencing synchronization
KR20050052717A (ko) 2003-12-01 2005-06-07 엘지전자 주식회사 오디오 원본 보존 트랜스코딩 시스템 및 방법
KR100526189B1 (ko) 2004-02-14 2005-11-03 삼성전자주식회사 트랜스코딩 전후에 타이밍 파라미터를 일정하게유지시키는 트랜스코딩 시스템 및 방법
KR20090012814A (ko) * 2007-07-31 2009-02-04 삼성전자주식회사 Ｐｖｒ기능을 구비한 영상기기 및 그 제어방법
US8270920B2 (en) * 2008-06-05 2012-09-18 Broadcom Corporation Systems and methods for receiving and transferring video information
US8654849B2 (en) * 2008-12-22 2014-02-18 Arris Enterprises, Inc. Integrated transcoding
US20100329355A1 (en) * 2009-06-30 2010-12-30 Nxp B.V System and method for configurable packet streaming
US20130083859A1 (en) 2011-10-04 2013-04-04 General Instrument Corporation Method to match input and output timestamps in a video encoder and advertisement inserter
US9374604B2 (en) 2014-03-31 2016-06-21 Arris Enterprises, Inc. Adaptive streaming transcoder synchronization
US9769514B2 (en) * 2014-12-16 2017-09-19 Harmonic, Inc. Clock recovery for video encoding/transcoding applications
US11212333B1 (en) * 2015-05-29 2021-12-28 Ribbon Communications Operating Company, Inc. Methods and apparatus for synchronizing transcoded and/or transrated RTP packets
US9788026B2 (en) * 2015-08-25 2017-10-10 Imagine Communications Corp. Converting adaptive bitrate chunks to a streaming format

Also Published As

Publication number Publication date
CA3176512A1 (en) 2021-11-04
US11496795B2 (en) 2022-11-08
WO2021221946A1 (en) 2021-11-04
US20210337266A1 (en) 2021-10-28

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