MX345797B - Canales digitales robustos. - Google Patents

Canales digitales robustos.

Info

Publication number
MX345797B
MX345797B MX2015007827A MX2015007827A MX345797B MX 345797 B MX345797 B MX 345797B MX 2015007827 A MX2015007827 A MX 2015007827A MX 2015007827 A MX2015007827 A MX 2015007827A MX 345797 B MX345797 B MX 345797B
Authority
MX
Mexico
Prior art keywords
encoded
level
layer
error protection
decoding delay
Prior art date
Application number
MX2015007827A
Other languages
English (en)
Other versions
MX2015007827A (es
Inventor
Scott Deiss Michael
Edwin Hailey James
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of MX2015007827A publication Critical patent/MX2015007827A/es
Publication of MX345797B publication Critical patent/MX345797B/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04N21/234327—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 decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Varias aplicaciones proporcionan uno o más de un tiempo de cambio de canal de programación mejorado y/o la calidad general de recepción de televisión con el uso de múltiples canales de transmisión. En una aplicación particular, un primer estrato de la imagen se codifica con el uso del primer nivel de protección de error. El primer estrato codificado tiene un primer retardo de decodificación. Un segundo estrato de la imagen se codifica con el uso del segundo nivel de protección de error. El segundo estrato codificado tiene un segundo retardo de decodificación. El segundo nivel de protección de error es más bajo que el primer nivel de protección de error y el segundo retardo de decodificación es más largo que el segundo retardo de decodificación. Otras aplicaciones proporcionan una estructura de señal que lleva un primer y segundo estratos codificados. Otras aplicaciones decodifican el primer y el segundo estratos codificados.
MX2015007827A 2012-12-17 2012-12-17 Canales digitales robustos. MX345797B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/070054 WO2014098789A1 (en) 2012-12-17 2012-12-17 Robust digital channels

Publications (2)

Publication Number Publication Date
MX2015007827A MX2015007827A (es) 2015-08-20
MX345797B true MX345797B (es) 2017-02-16

Family

ID=47459184

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015007827A MX345797B (es) 2012-12-17 2012-12-17 Canales digitales robustos.

Country Status (5)

Country Link
US (1) US9936226B2 (es)
KR (1) KR20150096411A (es)
CA (1) CA2893845C (es)
MX (1) MX345797B (es)
WO (1) WO2014098789A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015055256A1 (en) * 2013-10-18 2015-04-23 Huawei Technologies Co., Ltd. Transmission and receiving method in a wireless communication system
CN106657961B (zh) 2015-10-30 2020-01-10 微软技术许可有限责任公司 立体视频的混合数字-模拟编码
CN111245560B (zh) * 2018-11-29 2024-01-05 华为技术有限公司 数据发送的方法及装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6876623B1 (en) 1998-12-02 2005-04-05 Agere Systems Inc. Tuning scheme for code division multiplex broadcasting system
US6637031B1 (en) 1998-12-04 2003-10-21 Microsoft Corporation Multimedia presentation latency minimization
US6842724B1 (en) 1999-04-08 2005-01-11 Lucent Technologies Inc. Method and apparatus for reducing start-up delay in data packet-based network streaming applications
US6842714B1 (en) 2003-08-22 2005-01-11 International Business Machines Corporation Method for determining the leakage power for an integrated circuit
US8006168B2 (en) * 2005-12-19 2011-08-23 Amimon Ltd Apparatus and method for applying unequal error protection during wireless video transmission
BRPI0621545A2 (pt) 2006-04-18 2012-04-17 Thomson Licensing método para reduzir tempos de mudança de canal em um aparelho de vìdeo digital
KR101480969B1 (ko) 2006-07-28 2015-01-09 톰슨 리서치 펀딩 코포레이션 디지털 비디오에 관한 빠른 채널 변경을 위한 방법 및 장치
WO2008057110A2 (en) 2006-11-07 2008-05-15 Thomson Licensing Method for reducing channel change times and synchronizing audio/video content during channel change
US8185785B2 (en) * 2006-11-28 2012-05-22 At&T Intellectual Property I, L.P. Broadcasting of digital video to mobile terminals
WO2008151987A1 (en) 2007-06-13 2008-12-18 Thomson Licensing System and method for reducing the zapping time
WO2009061363A2 (en) 2007-11-05 2009-05-14 Thomson Licensing A scalable video coding method for fast channel change and increased error resilience
BRPI0915958A2 (pt) 2008-07-26 2018-06-05 Thomson Licensinc S A método de pacotização de protocolo de transporte em tempo real (rtp) para aplicação de rápida mudança de canal usando codificação escalável de vídeo (svc)
CN102113322A (zh) 2008-07-28 2011-06-29 汤姆森特许公司 应用可分级视频编码(svc)流的快速频道切换的方法及装置
WO2010054719A1 (en) 2008-11-12 2010-05-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Reducing a tune-in delay into a scalable encoded data stream

Also Published As

Publication number Publication date
MX2015007827A (es) 2015-08-20
CA2893845C (en) 2020-06-02
CA2893845A1 (en) 2014-06-26
US20150334421A1 (en) 2015-11-19
WO2014098789A1 (en) 2014-06-26
KR20150096411A (ko) 2015-08-24
US9936226B2 (en) 2018-04-03

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