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
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)
- Data Exchanges In Wide-Area Networks (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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 |
DE0719053T DE719053T1 (de) | 1994-12-23 | 1995-12-21 | Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind |
DE69522190T DE69522190T2 (de) | 1994-12-23 | 1995-12-21 | Dekoder für Audiosignale, die komprimierten und kodierten audiovisuellen Datenströmen zugehörig sind |
EP95120353A EP0719053B1 (en) | 1994-12-23 | 1995-12-21 | Decoder for audio signals belonging to compressed and coded audiovisual streams |
PT95120353T PT719053E (pt) | 1994-12-23 | 1995-12-21 | Descodificador para sinais de audio pertencentes a correntes de dados audiovisuais comprimidas e codificadas |
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) | DE719053T1 (it) |
DK (1) | DK0719053T3 (it) |
GR (1) | GR980300020T1 (it) |
IT (1) | IT1268195B1 (it) |
PT (1) | PT719053E (it) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
EP2267719A3 (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 |
WO2000046803A1 (fr) * | 1999-02-05 | 2000-08-10 | Kabushiki Kaisha Toshiba | Procede permettant de creer des trains de donnees et procede permettant d'effectuer des suppressions partielles |
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 |
US11106424B2 (en) | 2003-07-28 | 2021-08-31 | Sonos, Inc. | 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 |
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 |
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 |
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 |
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 |
US8868698B2 (en) | 2004-06-05 | 2014-10-21 | Sonos, Inc. | Establishing a secure wireless network with minimum human intervention |
US8326951B1 (en) | 2004-06-05 | 2012-12-04 | 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 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
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*** |
US10303422B1 (en) | 2016-01-05 | 2019-05-28 | Sonos, Inc. | Multiple-device setup |
Family Cites Families (9)
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 (en) * | 1993-06-10 | 1999-05-26 | Sony Corporation | Rational input buffer arrangements for auxiliary information in video and audio signal processing systems |
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 |
-
1994
- 1994-12-23 IT IT94TO001065A patent/IT1268195B1/it active IP Right Grant
-
1995
- 1995-11-01 US US08/548,297 patent/US5661728A/en not_active Expired - Lifetime
- 1995-12-21 DK DK95120353T patent/DK0719053T3/da active
- 1995-12-21 DE DE0719053T patent/DE719053T1/de active Pending
- 1995-12-21 EP EP95120353A patent/EP0719053B1/en not_active Expired - Lifetime
- 1995-12-21 DE DE69522190T patent/DE69522190T2/de not_active Expired - Lifetime
- 1995-12-21 PT PT95120353T patent/PT719053E/pt unknown
- 1995-12-22 CA CA002166042A patent/CA2166042C/en not_active Expired - Lifetime
- 1995-12-25 JP JP7350891A patent/JP2832882B2/ja not_active Expired - Lifetime
-
1998
- 1998-03-31 GR GR980300020T patent/GR980300020T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE69522190D1 (de) | 2001-09-20 |
US5661728A (en) | 1997-08-26 |
EP0719053B1 (en) | 2001-08-16 |
GR980300020T1 (en) | 1998-03-31 |
DE719053T1 (de) | 1998-05-14 |
EP0719053A2 (en) | 1996-06-26 |
CA2166042A1 (en) | 1996-06-24 |
JPH08272393A (ja) | 1996-10-18 |
DK0719053T3 (da) | 2001-11-26 |
EP0719053A3 (en) | 1997-12-29 |
CA2166042C (en) | 1999-07-06 |
DE69522190T2 (de) | 2002-04-18 |
JP2832882B2 (ja) | 1998-12-09 |
ITTO941065A0 (it) | 1994-12-23 |
ITTO941065A1 (it) | 1996-06-23 |
PT719053E (pt) | 2002-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1268195B1 (it) | Decodificatore per segnali audio appartenenti a sequenze audiovisive compresse e codificate. | |
EP0673014A3 (en) | Procedure for the transformation coding of acoustic signals. | |
DE69734816D1 (de) | Audiosignal-datenkompression und -expansion | |
SG74538A1 (en) | Digital audio signal coding and/or decoding method | |
EP0910067A4 (en) | METHODS OF ENCODING AND DECODING AUDIO SIGNALS, AND ENCODER AND DECODER OF AUDIO SIGNALS | |
NO964062L (no) | Apparater og fremgangsmåter for å inkludere koder i audiosignaler og dekoding | |
EP0668700A3 (en) | Audio / video decoding system. | |
HK1122639A1 (en) | Voice signal encoder and voice signal decoder | |
GB9603826D0 (en) | Audio output | |
EP0572262A3 (en) | Decoder for compressed video signals. | |
DE69628972D1 (de) | MPEG Audio Dekoder | |
GB2293741B (en) | Speed-variable audio play-back apparatus | |
DE69715660D1 (de) | Videokodierung | |
SG44675A1 (en) | Hybrid perceptual audio coding | |
AU1955995A (en) | Video signal coding | |
GB9721662D0 (en) | Encoded video signal formatting | |
FI934099A0 (fi) | Menetelmä äänen toistamiseksi | |
TW361052B (en) | Compressed audio signal processing | |
EP0919989A4 (en) | AUDIO SIGNAL ENCODER, AUDIO SIGNAL DECODER, AND METHOD FOR ENCODING AND DECODING AUDIO SIGNALS | |
AU2046695A (en) | Video signal coding and decoding method | |
GB2321577B (en) | Audio compression | |
DE69636272D1 (de) | Audiokodier- und -dekodiergerät | |
GB2320607B (en) | Audio recording | |
GB9217894D0 (en) | Audio data compression | |
IL118615A0 (en) | Compressing audio by frames |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971124 |