HK1036721A1 - Method and apparatus for using time-aligned blocksof encoded audio in video/audio applications to f acilitate audio switching. - Google Patents

Method and apparatus for using time-aligned blocksof encoded audio in video/audio applications to f acilitate audio switching.

Info

Publication number
HK1036721A1
HK1036721A1 HK01107287A HK01107287A HK1036721A1 HK 1036721 A1 HK1036721 A1 HK 1036721A1 HK 01107287 A HK01107287 A HK 01107287A HK 01107287 A HK01107287 A HK 01107287A HK 1036721 A1 HK1036721 A1 HK 1036721A1
Authority
HK
Hong Kong
Prior art keywords
audio
blocksof
acilitate
video
aligned
Prior art date
Application number
HK01107287A
Other languages
English (en)
Inventor
Craig Campbell Todd
Original Assignee
Dolby Lab 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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of HK1036721A1 publication Critical patent/HK1036721A1/xx

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
    • H04N21/236—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
    • 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
    • H04N21/23602—Multiplexing isochronously with the video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • 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
    • H04N21/23614—Multiplexing of additional data 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
    • H04N21/236—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]
    • H04N21/40—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
    • 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
    • H04N21/4341—Demultiplexing 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]
    • H04N21/40—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
    • H04N21/4342—Demultiplexing isochronously with video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • 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
    • H04N21/4348—Demultiplexing 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
HK01107287A 1998-03-13 2001-10-18 Method and apparatus for using time-aligned blocksof encoded audio in video/audio applications to f acilitate audio switching. HK1036721A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
PCT/US1999/005249 WO1999046938A1 (en) 1998-03-13 1999-03-11 Method of embedding compressed digital audio signals in a video signal using guard bands

Publications (1)

Publication Number Publication Date
HK1036721A1 true HK1036721A1 (en) 2002-01-11

Family

ID=21921528

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01107287A HK1036721A1 (en) 1998-03-13 2001-10-18 Method and apparatus for using time-aligned blocksof encoded audio in video/audio applications to f acilitate audio switching.

Country Status (17)

Country Link
US (1) US6085163A (xx)
EP (1) EP1062816B1 (xx)
JP (1) JP4402834B2 (xx)
KR (1) KR100675562B1 (xx)
CN (1) CN1172536C (xx)
AR (2) AR014716A1 (xx)
AT (1) ATE247363T1 (xx)
AU (1) AU760400B2 (xx)
BR (1) BR9909247B1 (xx)
CA (1) CA2323564C (xx)
DE (1) DE69910360T2 (xx)
DK (1) DK1062816T3 (xx)
ES (1) ES2203101T3 (xx)
HK (1) HK1036721A1 (xx)
MY (1) MY125807A (xx)
TW (1) TW473702B (xx)
WO (1) WO1999046938A1 (xx)

Families Citing this family (11)

* 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
CN101036329B (zh) * 2004-10-07 2011-06-08 汤姆逊许可公司 音频/视频路由器
PL2052548T3 (pl) 2006-12-12 2012-08-31 Fraunhofer Ges Forschung Koder, dekoder oraz sposoby kodowania i dekodowania segmentów danych reprezentujących strumień danych w dziedzinie czasu
US8750295B2 (en) * 2006-12-20 2014-06-10 Gvbb Holdings S.A.R.L. Embedded audio routing switcher
EP2232843A4 (en) * 2007-12-19 2011-07-27 Colin Simon DIGITAL VIDEO AND AUDIO FLOW SYNCHRONIZATION DEVICE AND METHOD FOR MULTIMEDIA PRESENTATION DEVICES
WO2009088258A2 (ko) * 2008-01-09 2009-07-16 Lg Electronics Inc. 프레임 타입 식별 방법 및 장치
TWI643187B (zh) 2009-05-27 2018-12-01 瑞典商杜比國際公司 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

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
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
US5860060A (en) * 1997-05-02 1999-01-12 Texas Instruments Incorporated Method for left/right channel self-alignment

Also Published As

Publication number Publication date
ATE247363T1 (de) 2003-08-15
AU760400B2 (en) 2003-05-15
CA2323564C (en) 2008-05-13
AU3183099A (en) 1999-09-27
AR021444A2 (es) 2002-07-17
DE69910360D1 (de) 2003-09-18
BR9909247B1 (pt) 2014-08-26
JP2002507101A (ja) 2002-03-05
EP1062816B1 (en) 2003-08-13
WO1999046938A1 (en) 1999-09-16
ES2203101T3 (es) 2004-04-01
TW473702B (en) 2002-01-21
MY125807A (en) 2006-08-30
CA2323564A1 (en) 1999-09-16
AR014716A1 (es) 2001-03-28
BR9909247A (pt) 2000-11-28
CN1292979A (zh) 2001-04-25
DE69910360T2 (de) 2004-06-24
CN1172536C (zh) 2004-10-20
KR100675562B1 (ko) 2007-01-29
EP1062816A1 (en) 2000-12-27
JP4402834B2 (ja) 2010-01-20
KR20010040826A (ko) 2001-05-15
DK1062816T3 (da) 2003-11-03
US6085163A (en) 2000-07-04

Similar Documents

Publication Publication Date Title
IL123906A0 (en) Method for synchronizing audio and video streams
AU2001234643A1 (en) Method and apparatus for implementing revocation in broadcast networks
AU4264501A (en) Audio/video reproducing apparatus and method
AU2002231289A1 (en) System and method for multimedia authoring and playback
EP1128250A3 (en) System, method and apparatus for playback of digital content
IL125268A0 (en) Scalable stereo audio encoding/decoding method and apparatus
AU2002219797A1 (en) Apparatus and method for video compression
GB0007868D0 (en) Methods and apparatus for editing digital video recordings and recordings made by such methods
AU6270099A (en) Audio encoding apparatus and methods
AU6296999A (en) Method and apparatus for improving call setup efficiency in multimedia communications systems
AU1240000A (en) Apparatus and method pertaining to internal connections in an audio/video system
AU2001245779A1 (en) System and method of joining encoded video streams for continuous play
GB0007870D0 (en) Methods and apparatus for making and replauing digital video recordings, and recordings made by such methods
AU2001249255A1 (en) Method and apparatus for embedding data in encoded digital bitstreams
AU3879000A (en) Multimedia and multirate switching method and apparatus
AU2001231218A1 (en) Method and apparatus for bitstream decoding
HK1036721A1 (en) Method and apparatus for using time-aligned blocksof encoded audio in video/audio applications to f acilitate audio switching.
GB0111026D0 (en) Audio and-or video apparatus
GB0115096D0 (en) Auto-contactor system and method for generating variable size contacts
AU2002219929A1 (en) System and method for video streaming
GB0008433D0 (en) Audio/video production method
GB0017035D0 (en) Method and system for improving video quality
AU2001291668A1 (en) Method and apparatus for video encoding
EP1185108A4 (en) VIDEO CODING APPARATUS AND VIDEO CODING METHOD
AU2001224570A1 (en) Method and apparatus for decoding mpeg video signals