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MX2013007031A - Metodo para procesar una secuencia de cuadros de video codificados. - Google Patents

Metodo para procesar una secuencia de cuadros de video codificados.

Info

Publication number
MX2013007031A
MX2013007031A MX2013007031A MX2013007031A MX2013007031A MX 2013007031 A MX2013007031 A MX 2013007031A MX 2013007031 A MX2013007031 A MX 2013007031A MX 2013007031 A MX2013007031 A MX 2013007031A MX 2013007031 A MX2013007031 A MX 2013007031A
Authority
MX
Mexico
Prior art keywords
sequence
frame
coded video
coded
video frames
Prior art date
Application number
MX2013007031A
Other languages
English (en)
Inventor
Muralidharan Narayanan
Christopher S Del Sordo
Surya P Maheswaram
Prasad Panje Krishna
Ernest G Schmitt
Yaxi Zhang
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of MX2013007031A publication Critical patent/MX2013007031A/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]
    • H04N21/20—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/95—Time-base error compensation
    • H04N5/956—Time-base error compensation by using a digital memory with independent write-in and read-out clock generators
    • 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • 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
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

Un método para procesar una secuencia de cuadros de video codificados transmitidos por una corriente de datos digital, donde cada cuadro representa una imagen, incluye recibir la secuencia de cuadros de video codificados en un dispositivo de grabación, determinar un intervalo de cuadro entre la presentación de un (i+1) cuadro codificado de la secuencia y un (i+1) avo cuadro codificado de la secuencia, calcular un sello de hora de corriente para el (i+1) cuadro codificado, y calcular un sello de hora de corriente para el (i+1) avo cuadro de video codificado con base en el sello de hora de corriente para el (i+1) cuadro de video codificado y el intervalo de cuadro previamente determinado.
MX2013007031A 2010-12-20 2011-12-15 Metodo para procesar una secuencia de cuadros de video codificados. MX2013007031A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/973,257 US8437619B2 (en) 2010-12-20 2010-12-20 Method of processing a sequence of coded video frames
PCT/US2011/065008 WO2012087718A2 (en) 2010-12-20 2011-12-15 Method of processing a sequence of coded video frames

Publications (1)

Publication Number Publication Date
MX2013007031A true MX2013007031A (es) 2014-03-12

Family

ID=45524938

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013007031A MX2013007031A (es) 2010-12-20 2011-12-15 Metodo para procesar una secuencia de cuadros de video codificados.

Country Status (7)

Country Link
US (2) US8437619B2 (es)
EP (1) EP2656609A2 (es)
KR (2) KR101533174B1 (es)
CN (1) CN103535027B (es)
CA (1) CA2821714C (es)
MX (1) MX2013007031A (es)
WO (1) WO2012087718A2 (es)

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TWI447718B (zh) * 2012-09-03 2014-08-01 Mstar Semiconductor Inc 產生略縮圖之方法與裝置
US8976842B1 (en) * 2012-11-02 2015-03-10 Comtech Ef Data Corp. PN code sync detection and carrier frequency offset estimation for the direct sequence spread spectrum receiver
CN104023192B (zh) * 2014-06-27 2016-04-13 努比亚技术有限公司 一种录制视频的方法和装置
CN104080013A (zh) * 2014-07-09 2014-10-01 三星电子（中国）研发中心 特效播放方法及装置
US10218986B2 (en) 2016-09-26 2019-02-26 Google Llc Frame accurate splicing
US11146608B2 (en) * 2017-07-20 2021-10-12 Disney Enterprises, Inc. Frame-accurate video seeking via web browsers
CN107948571B (zh) * 2017-12-27 2021-11-02 努比亚技术有限公司 视频录制的方法、装置及计算机可读存储介质
US11315606B1 (en) 2019-09-25 2022-04-26 Amazon Technologies, Inc. Timecode generation and assignment
CN111478914B (zh) * 2020-04-14 2022-08-16 广州酷狗计算机科技有限公司 时间戳处理方法、装置、终端及存储介质
CN111836071B (zh) * 2020-07-16 2021-01-05 全时云商务服务股份有限公司 一种基于云会议的多媒体处理方法、装置及存储介质
CN112153446B (zh) * 2020-09-27 2022-07-26 海信视像科技股份有限公司 一种显示设备及流媒体视频音画同步方法
CN114173207B (zh) * 2021-11-15 2024-02-23 杭州当虹科技股份有限公司 一种视频帧顺序传输的方法和系统
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Also Published As

Publication number Publication date
EP2656609A2 (en) 2013-10-30
CN103535027A (zh) 2014-01-22
KR20130105892A (ko) 2013-09-26
US10659721B2 (en) 2020-05-19
CN103535027B (zh) 2018-04-24
CA2821714C (en) 2017-05-16
US20140099079A1 (en) 2014-04-10
WO2012087718A2 (en) 2012-06-28
US8437619B2 (en) 2013-05-07
US20120155833A1 (en) 2012-06-21
KR20140143466A (ko) 2014-12-16
KR101533174B1 (ko) 2015-07-01
WO2012087718A3 (en) 2013-01-24
KR101777908B1 (ko) 2017-09-12
CA2821714A1 (en) 2012-06-28

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