DE69522190D1 - Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind - Google Patents

Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind

Info

Publication number
DE69522190D1
DE69522190D1 DE69522190T DE69522190T DE69522190D1 DE 69522190 D1 DE69522190 D1 DE 69522190D1 DE 69522190 T DE69522190 T DE 69522190T DE 69522190 T DE69522190 T DE 69522190T DE 69522190 D1 DE69522190 D1 DE 69522190D1
Authority
DE
Germany
Prior art keywords
decoder
compressed
audio signals
data streams
signals associated
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
DE69522190T
Other languages
English (en)
Other versions
DE69522190T2 (de
Inventor
Andrea Finotello
Maurizio Paolini
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.)
Telecom Italia SpA
Original Assignee
Telecom Italia SpA
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 Telecom Italia SpA filed Critical Telecom Italia SpA
Publication of DE69522190D1 publication Critical patent/DE69522190D1/de
Application granted granted Critical
Publication of DE69522190T2 publication Critical patent/DE69522190T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N21/434—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]
    • H04N21/20—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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • 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
    • H04N21/4302—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
DE69522190T 1994-12-23 1995-12-21 Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind Expired - Lifetime DE69522190T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT94TO001065A IT1268195B1 (it) 1994-12-23 1994-12-23 Decodificatore per segnali audio appartenenti a sequenze audiovisive compresse e codificate.

Publications (2)

Publication Number Publication Date
DE69522190D1 true DE69522190D1 (de) 2001-09-20
DE69522190T2 DE69522190T2 (de) 2002-04-18

Family

ID=11413003

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69522190T Expired - Lifetime DE69522190T2 (de) 1994-12-23 1995-12-21 Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind
DE0719053T Pending DE719053T1 (de) 1994-12-23 1995-12-21 Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0719053T Pending DE719053T1 (de) 1994-12-23 1995-12-21 Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind

Country Status (9)

Country Link
US (1) US5661728A (de)
EP (1) EP0719053B1 (de)
JP (1) JP2832882B2 (de)
CA (1) CA2166042C (de)
DE (2) DE69522190T2 (de)
DK (1) DK0719053T3 (de)
GR (1) GR980300020T1 (de)
IT (1) IT1268195B1 (de)
PT (1) PT719053E (de)

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JP3575100B2 (ja) * 1994-11-14 2004-10-06 ソニー株式会社 データ送信／受信装置及び方法並びにデータ記録／再生装置及び方法
JP2757818B2 (ja) * 1995-04-20 1998-05-25 日本電気株式会社 補助データ処理回路
JP3130464B2 (ja) * 1996-02-02 2001-01-31 ローム株式会社 データ復号装置
US5875354A (en) * 1996-03-01 1999-02-23 Apple Computer, Inc. System for synchronization by modifying the rate of conversion by difference of rate between first clock and audio clock during a second time period
JP3106987B2 (ja) * 1997-01-09 2000-11-06 日本電気株式会社 オーディオ・ビデオ同期再生装置
JP3276895B2 (ja) * 1997-01-14 2002-04-22 矢崎総業株式会社 送信装置、受信装置、通信装置、通信方法、及び通信システム
US5959684A (en) * 1997-07-28 1999-09-28 Sony Corporation Method and apparatus for audio-video synchronizing
KR100312711B1 (ko) * 1997-09-20 2002-02-28 윤종용 전자기기및그리셋방법
KR100294663B1 (ko) * 1997-12-29 2001-09-17 구자홍 엠펙디코더및디코딩제어방법
US6081299A (en) * 1998-02-20 2000-06-27 International Business Machines Corporation Methods and systems for encoding real time multimedia data
US6373821B2 (en) * 1998-02-20 2002-04-16 Apple Computer, Inc. Method for setting time stamp in SYT field of packet headers for IEEE-1394 devices
EP2261920A3 (de) * 1998-02-23 2011-03-09 Kabushiki Kaisha Toshiba Informationsaufzeichnungsmedium, Informationswiedergabeverfahren und -vorrichtung, und Informationsaufzeichnungsverfahren
US6091742A (en) * 1998-08-17 2000-07-18 Gilant Satellite Networks Ltd. Bi-directional communications protocol
US6631352B1 (en) * 1999-01-08 2003-10-07 Matushita Electric Industrial Co. Ltd. Decoding circuit and reproduction apparatus which mutes audio after header parameter changes
JP3715533B2 (ja) * 1999-02-05 2005-11-09 株式会社東芝 ストリーム情報の情報記憶媒体、その記録方法、再生方法、記録装置および再生装置
US6961631B1 (en) * 2000-04-12 2005-11-01 Microsoft Corporation Extensible kernel-mode audio processing architecture
US6646195B1 (en) * 2000-04-12 2003-11-11 Microsoft Corporation Kernel-mode audio processing modules
US7177520B2 (en) * 2000-09-15 2007-02-13 Ibm Corporation System and method of timecode repair and synchronization in MPEG streams
TW535442B (en) * 2001-12-13 2003-06-01 Winbond Electronics Corp Method and system for measuring the synchronous accuracy between video output and audio output of video encoding system
US11650784B2 (en) 2003-07-28 2023-05-16 Sonos, Inc. Adjusting volume levels
US11106425B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US11294618B2 (en) 2003-07-28 2022-04-05 Sonos, Inc. Media player system
US8290603B1 (en) 2004-06-05 2012-10-16 Sonos, Inc. User interfaces for controlling and manipulating groupings in a multi-zone media system
US10613817B2 (en) 2003-07-28 2020-04-07 Sonos, Inc. Method and apparatus for displaying a list of tracks scheduled for playback by a synchrony group
US8086752B2 (en) * 2006-11-22 2011-12-27 Sonos, Inc. Systems and methods for synchronizing operations among a plurality of independently clocked digital data processing devices that independently source digital data
US11106424B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US8234395B2 (en) 2003-07-28 2012-07-31 Sonos, Inc. System and method for synchronizing operations among a plurality of independently clocked digital data processing devices
TWI222837B (en) * 2003-10-14 2004-10-21 Design Technology Inc G Audio signal compression processing device to with reduced power consumption
CN1304955C (zh) * 2004-02-16 2007-03-14 联发科技股份有限公司 内存控制方法及相关装置
US9977561B2 (en) 2004-04-01 2018-05-22 Sonos, Inc. Systems, methods, apparatus, and articles of manufacture to provide guest access
US8326951B1 (en) 2004-06-05 2012-12-04 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
US8868698B2 (en) 2004-06-05 2014-10-21 Sonos, Inc. Establishing a secure wireless network with minimum human intervention
US8179789B2 (en) * 2005-07-01 2012-05-15 Winnov, Lp System and method for timestamps for media stream data
GB2472264B (en) 2009-07-31 2014-12-17 British Sky Broadcasting Ltd Media substitution system
EP2980795A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -decodierung mit Nutzung eines Frequenzdomänenprozessors, eines Zeitdomänenprozessors und eines Kreuzprozessors zur Initialisierung des Zeitdomänenprozessors
CN105635748B (zh) * 2015-12-30 2019-02-01 上海芃矽半导体技术有限公司 音频-视频数据的发送方法、接收方法和音频-视频数据的传输系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3496725B2 (ja) * 1992-10-16 2004-02-16 ソニー株式会社 多重化データ分離装置
US5396497A (en) * 1993-02-26 1995-03-07 Sony Corporation Synchronization of audio/video information
AU672070B2 (en) * 1993-02-26 1996-09-19 Sony Corporation Synchronization of audio/video information
JP3427416B2 (ja) * 1993-05-25 2003-07-14 ソニー株式会社 多重化データ分離装置および方法
EP0654199B1 (de) * 1993-06-10 1999-05-26 Sony Corporation Rationelle anordnung der eingangspuffer fur zusätliche information in video- und audiosignalverarbeitungssystemen
JP3364281B2 (ja) * 1993-07-16 2003-01-08 パイオニア株式会社 時分割ビデオ及びオーディオ信号の同期方式
US5430485A (en) * 1993-09-30 1995-07-04 Thomson Consumer Electronics, Inc. Audio/video synchronization in a digital transmission system
US5543853A (en) * 1995-01-19 1996-08-06 At&T Corp. Encoder/decoder buffer control for variable bit-rate channel
US5533021A (en) * 1995-02-03 1996-07-02 International Business Machines Corporation Apparatus and method for segmentation and time synchronization of the transmission of multimedia data

Also Published As

Publication number Publication date
GR980300020T1 (en) 1998-03-31
IT1268195B1 (it) 1997-02-21
ITTO941065A1 (it) 1996-06-23
DE69522190T2 (de) 2002-04-18
JPH08272393A (ja) 1996-10-18
CA2166042C (en) 1999-07-06
EP0719053A3 (de) 1997-12-29
PT719053E (pt) 2002-02-28
DE719053T1 (de) 1998-05-14
EP0719053A2 (de) 1996-06-26
ITTO941065A0 (it) 1994-12-23
US5661728A (en) 1997-08-26
EP0719053B1 (de) 2001-08-16
JP2832882B2 (ja) 1998-12-09
DK0719053T3 (da) 2001-11-26
CA2166042A1 (en) 1996-06-24

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Legal Events

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