CN1172536C - 在视频/音频应用中使用时间对准的编码音频块以便于音频切换的方法和装置 - Google Patents

在视频/音频应用中使用时间对准的编码音频块以便于音频切换的方法和装置 Download PDF

Info

Publication number
CN1172536C
CN1172536C CNB998037516A CN99803751A CN1172536C CN 1172536 C CN1172536 C CN 1172536C CN B998037516 A CNB998037516 A CN B998037516A CN 99803751 A CN99803751 A CN 99803751A CN 1172536 C CN1172536 C CN 1172536C
Authority
CN
China
Prior art keywords
audio
information
video
audio information
encoded
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CNB998037516A
Other languages
English (en)
Chinese (zh)
Other versions
CN1292979A (zh
Inventor
�����
克雷格·坎贝尔·托德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of CN1292979A publication Critical patent/CN1292979A/zh
Application granted granted Critical
Publication of CN1172536C publication Critical patent/CN1172536C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling 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
    • H04N21/23602Multiplexing isochronously with the video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233Processing of audio elementary streams
    • H04N21/2335Processing of audio elementary streams involving reformatting operations of audio signals, e.g. by converting from one coding standard to another
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling 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
    • H04N21/23614Multiplexing of additional data and video streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling 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
    • H04N21/2368Multiplexing of audio and video streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/242Synchronization processes, e.g. processing of PCR [Program Clock References]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/4302Content synchronisation processes, e.g. decoder synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/434Disassembling 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
    • H04N21/4341Demultiplexing of audio and video streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/434Disassembling 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
    • H04N21/4342Demultiplexing isochronously with video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/434Disassembling 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
    • H04N21/4348Demultiplexing of additional data and video streams

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
CNB998037516A 1998-03-13 1999-03-11 在视频/音频应用中使用时间对准的编码音频块以便于音频切换的方法和装置 Expired - Lifetime CN1172536C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/042,367 1998-03-13
US09/042,367 US6085163A (en) 1998-03-13 1998-03-13 Using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching

Publications (2)

Publication Number Publication Date
CN1292979A CN1292979A (zh) 2001-04-25
CN1172536C true CN1172536C (zh) 2004-10-20

Family

ID=21921528

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998037516A Expired - Lifetime CN1172536C (zh) 1998-03-13 1999-03-11 在视频/音频应用中使用时间对准的编码音频块以便于音频切换的方法和装置

Country Status (16)

Country Link
US (1) US6085163A (enExample)
EP (1) EP1062816B1 (enExample)
JP (1) JP4402834B2 (enExample)
KR (1) KR100675562B1 (enExample)
CN (1) CN1172536C (enExample)
AR (2) AR014716A1 (enExample)
AT (1) ATE247363T1 (enExample)
AU (1) AU760400B2 (enExample)
BR (1) BR9909247B1 (enExample)
CA (1) CA2323564C (enExample)
DE (1) DE69910360T2 (enExample)
DK (1) DK1062816T3 (enExample)
ES (1) ES2203101T3 (enExample)
MY (1) MY125807A (enExample)
TW (1) TW473702B (enExample)
WO (1) WO1999046938A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6188987B1 (en) * 1998-11-17 2001-02-13 Dolby Laboratories Licensing Corporation Providing auxiliary information with frame-based encoded audio information
US6690428B1 (en) * 1999-09-13 2004-02-10 Nvision, Inc. Method and apparatus for embedding digital audio data in a serial digital video data stream
US8503650B2 (en) * 2001-02-27 2013-08-06 Verizon Data Services Llc Methods and systems for configuring and providing conference calls
US7277427B1 (en) * 2003-02-10 2007-10-02 Nvision, Inc. Spatially distributed routing switch
WO2006042207A1 (en) 2004-10-07 2006-04-20 Thomson Licensing Audio/video router
MX2009006201A (es) 2006-12-12 2009-06-22 Fraunhofer Ges Forschung Codificador, decodificador y metodos para codificar y decodificar segmentos de datos que representan una corriente de datos del dominio temporal.
CN101563915B (zh) 2006-12-20 2012-09-19 Gvbb控股股份有限公司 嵌入音频路由切换器
US20110187927A1 (en) * 2007-12-19 2011-08-04 Colin Simon Device and method for synchronisation of digital video and audio streams to media presentation devices
WO2009088258A2 (ko) * 2008-01-09 2009-07-16 Lg Electronics Inc. 프레임 타입 식별 방법 및 장치
TWI591625B (zh) 2009-05-27 2017-07-11 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法,及其機上盒、電腦程式產品、軟體程式及儲存媒體
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
CN119232954A (zh) * 2024-10-16 2024-12-31 汉威科技集团股份有限公司 传感器阵列数据传输方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532556A (en) * 1983-05-20 1985-07-30 Dolby Laboratories Licensing Corporation Time-base correction of audio signals in video tape recorders
US5632005A (en) * 1991-01-08 1997-05-20 Ray Milton Dolby Encoder/decoder for multidimensional sound fields
JP3329076B2 (ja) * 1994-06-27 2002-09-30 ソニー株式会社 ディジタル信号伝送方法、ディジタル信号伝送装置、ディジタル信号受信方法及びディジタル信号受信装置
EP0734021A3 (en) * 1995-03-23 1999-05-26 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Method and apparatus for decoding of digital audio data coded in layer 1 or 2 of MPEG format
US5819215A (en) * 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
US5860060A (en) * 1997-05-02 1999-01-12 Texas Instruments Incorporated Method for left/right channel self-alignment
US5946352A (en) * 1997-05-02 1999-08-31 Texas Instruments Incorporated Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain

Also Published As

Publication number Publication date
HK1036721A1 (en) 2002-01-11
ES2203101T3 (es) 2004-04-01
WO1999046938A1 (en) 1999-09-16
CA2323564C (en) 2008-05-13
AU760400B2 (en) 2003-05-15
AR014716A1 (es) 2001-03-28
AU3183099A (en) 1999-09-27
DE69910360T2 (de) 2004-06-24
EP1062816B1 (en) 2003-08-13
MY125807A (en) 2006-08-30
BR9909247A (pt) 2000-11-28
JP4402834B2 (ja) 2010-01-20
KR20010040826A (ko) 2001-05-15
DK1062816T3 (da) 2003-11-03
JP2002507101A (ja) 2002-03-05
BR9909247B1 (pt) 2014-08-26
US6085163A (en) 2000-07-04
EP1062816A1 (en) 2000-12-27
KR100675562B1 (ko) 2007-01-29
DE69910360D1 (de) 2003-09-18
TW473702B (en) 2002-01-21
CA2323564A1 (en) 1999-09-16
ATE247363T1 (de) 2003-08-15
CN1292979A (zh) 2001-04-25
AR021444A2 (es) 2002-07-17

Similar Documents

Publication Publication Date Title
EP1142346B1 (en) Encoding auxiliary information with frame-based encoded audio information
KR100933469B1 (ko) 오디오 코딩
KR960005945B1 (ko) 디지틀신호전송방법
CN1172536C (zh) 在视频/音频应用中使用时间对准的编码音频块以便于音频切换的方法和装置
WO2005020210A2 (en) Method and apparatus for adaptive variable bit rate audio encoding
US6480234B1 (en) Method and apparatus for synchronously encoding audio signals with corresponding video frames
HK1036721B (en) Method and apparatus for using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching
US5889917A (en) Method and apparatus for editing an audio-visual signal having audio data that is in the form of block units which are not synchronous with the fields/frames of video data
KR20000002152A (ko) 디지털 저장 매체의 신호 기록재생장치
MXPA00008964A (en) Method of embedding compressed digital audio signals in a video signal using guard bands
JPH08329605A (ja) デイジタルオーデイオ信号処理方法、デイジタルオーデイオ信号処理装置及び記録再生装置
Smith This paper is concerned with the application of ATLANTIC switching techniques to edit-conforming during post-production, and to presentation within the broadcast chain. In this respect a number of important issues have been addressed within the ATLANTIC project; those discussed in this paper include
JP3777916B2 (ja) 記録再生装置
Wells et al. pean ACTS (Advanced Communications Technologies and Services)
JP2000244915A (ja) 多段画像符号化伝送装置及び多段画像符号化伝送方法
JP2004235748A (ja) データ圧縮装置、記録装置、再生装置、記録再生装置、データ圧縮方法、記録方法、再生方法、記録再生方法
JP2001145060A (ja) 記録再生装置
JPH11341433A (ja) デジタルデータ伝送装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: GR

Ref document number: 1036721

Country of ref document: HK

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20041020