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IT1268195B1 - Decodificatore per segnali audio appartenenti a sequenze audiovisive compresse e codificate. - Google Patents

Decodificatore per segnali audio appartenenti a sequenze audiovisive compresse e codificate.

Info

Publication number
IT1268195B1
IT1268195B1 IT94TO001065A ITTO941065A IT1268195B1 IT 1268195 B1 IT1268195 B1 IT 1268195B1 IT 94TO001065 A IT94TO001065 A IT 94TO001065A IT TO941065 A ITTO941065 A IT TO941065A IT 1268195 B1 IT1268195 B1 IT 1268195B1
Authority
IT
Italy
Prior art keywords
audio
decoder
compressed
signals belonging
visual sequences
Prior art date
Application number
IT94TO001065A
Other languages
English (en)
Inventor
Andrea Finotello
Maurizio Paolini
Original Assignee
Sip
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 Sip filed Critical Sip
Publication of ITTO941065A0 publication Critical patent/ITTO941065A0/it
Priority to IT94TO001065A priority Critical patent/IT1268195B1/it
Priority to US08/548,297 priority patent/US5661728A/en
Priority to PT95120353T priority patent/PT719053E/pt
Priority to DE0719053T priority patent/DE719053T1/de
Priority to EP95120353A priority patent/EP0719053B1/en
Priority to DE69522190T priority patent/DE69522190T2/de
Priority to DK95120353T priority patent/DK0719053T3/da
Priority to CA002166042A priority patent/CA2166042C/en
Priority to JP7350891A priority patent/JP2832882B2/ja
Publication of ITTO941065A1 publication Critical patent/ITTO941065A1/it
Application granted granted Critical
Publication of IT1268195B1 publication Critical patent/IT1268195B1/it
Priority to GR980300020T priority patent/GR980300020T1/el

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
IT94TO001065A 1994-12-23 1994-12-23 Decodificatore per segnali audio appartenenti a sequenze audiovisive compresse e codificate. IT1268195B1 (it)

Priority Applications (10)

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.
US08/548,297 US5661728A (en) 1994-12-23 1995-11-01 Decoder for audio signals of compressed and coded audiovisual streams
EP95120353A EP0719053B1 (en) 1994-12-23 1995-12-21 Decoder for audio signals belonging to compressed and coded audiovisual streams
DE0719053T DE719053T1 (de) 1994-12-23 1995-12-21 Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind
PT95120353T PT719053E (pt) 1994-12-23 1995-12-21 Descodificador para sinais de audio pertencentes a correntes de dados audiovisuais comprimidas e codificadas
DE69522190T DE69522190T2 (de) 1994-12-23 1995-12-21 Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind
DK95120353T DK0719053T3 (da) 1994-12-23 1995-12-21 Dekoder for audiosignaler hørende til komprimerede og kodede audiovisuelle strømme
CA002166042A CA2166042C (en) 1994-12-23 1995-12-22 Decoder for audio signals belonging to compressed and coded audiovisual streams
JP7350891A JP2832882B2 (ja) 1994-12-23 1995-12-25 圧縮かつ符号化された音声映像ストリームに属する音声信号用復号器
GR980300020T GR980300020T1 (en) 1994-12-23 1998-03-31 Decoder for audio signals belonging to compressed and coded audiovisual streams

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 (3)

Publication Number Publication Date
ITTO941065A0 ITTO941065A0 (it) 1994-12-23
ITTO941065A1 ITTO941065A1 (it) 1996-06-23
IT1268195B1 true IT1268195B1 (it) 1997-02-21

Family

ID=11413003

Family Applications (1)

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

Country Status (9)

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

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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
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KR100312711B1 (ko) * 1997-09-20 2002-02-28 윤종용 전자기기및그리셋방법
KR100294663B1 (ko) * 1997-12-29 2001-09-17 구자홍 엠펙디코더및디코딩제어방법
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
US6081299A (en) 1998-02-20 2000-06-27 International Business Machines Corporation Methods and systems for encoding real time multimedia data
EP2261919A3 (en) * 1998-02-23 2011-03-09 Kabushiki Kaisha Toshiba Information storage medium, information playback method and apparatus and information recording method
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
US6646195B1 (en) * 2000-04-12 2003-11-11 Microsoft Corporation Kernel-mode audio processing modules
US6961631B1 (en) * 2000-04-12 2005-11-01 Microsoft Corporation Extensible kernel-mode audio processing architecture
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
US8020023B2 (en) 2003-07-28 2011-09-13 Sonos, Inc. Systems and methods for synchronizing operations among a plurality of independently clocked digital data processing devices without a voltage controlled crystal oscillator
US11106425B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
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
US11106424B2 (en) 2003-07-28 2021-08-31 Sonos, Inc. Synchronizing operations among a plurality of independently clocked digital data processing devices
US8290603B1 (en) 2004-06-05 2012-10-16 Sonos, Inc. User interfaces for controlling and manipulating groupings in a multi-zone media system
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
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
US11294618B2 (en) 2003-07-28 2022-04-05 Sonos, Inc. Media player system
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
US9344292B2 (en) 2011-12-30 2016-05-17 Sonos, Inc. Systems and methods for player setup room names
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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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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
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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
CA2166042A1 (en) 1996-06-24
JPH08272393A (ja) 1996-10-18
JP2832882B2 (ja) 1998-12-09
EP0719053A2 (en) 1996-06-26
DE719053T1 (de) 1998-05-14
DE69522190D1 (de) 2001-09-20
PT719053E (pt) 2002-02-28
GR980300020T1 (en) 1998-03-31
EP0719053A3 (en) 1997-12-29
DE69522190T2 (de) 2002-04-18
ITTO941065A0 (it) 1994-12-23
DK0719053T3 (da) 2001-11-26
CA2166042C (en) 1999-07-06
EP0719053B1 (en) 2001-08-16
ITTO941065A1 (it) 1996-06-23
US5661728A (en) 1997-08-26

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971124