DE69802957T2 - Rahmenbasierte audiokodierung mit video/audio-datensynchronisierung durch dynamische audiorahmensynchronisierung - Google Patents

Rahmenbasierte audiokodierung mit video/audio-datensynchronisierung durch dynamische audiorahmensynchronisierung

Info

Publication number
DE69802957T2
DE69802957T2 DE69802957T DE69802957T DE69802957T2 DE 69802957 T2 DE69802957 T2 DE 69802957T2 DE 69802957 T DE69802957 T DE 69802957T DE 69802957 T DE69802957 T DE 69802957T DE 69802957 T2 DE69802957 T2 DE 69802957T2
Authority
DE
Germany
Prior art keywords
audio
frame
input
samples
equal
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
DE69802957T
Other languages
German (de)
English (en)
Other versions
DE69802957D1 (de
Inventor
Dunn Fielder
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
Application granted granted Critical
Publication of DE69802957D1 publication Critical patent/DE69802957D1/de
Publication of DE69802957T2 publication Critical patent/DE69802957T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/038Cross-faders therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0266Filter banks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69802957T 1997-10-17 1998-10-15 Rahmenbasierte audiokodierung mit video/audio-datensynchronisierung durch dynamische audiorahmensynchronisierung Expired - Lifetime DE69802957T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/953,618 US6124895A (en) 1997-10-17 1997-10-17 Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment
PCT/US1998/021761 WO1999021188A1 (en) 1997-10-17 1998-10-15 Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment

Publications (2)

Publication Number Publication Date
DE69802957D1 DE69802957D1 (de) 2002-01-24
DE69802957T2 true DE69802957T2 (de) 2002-06-20

Family

ID=25494275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69802957T Expired - Lifetime DE69802957T2 (de) 1997-10-17 1998-10-15 Rahmenbasierte audiokodierung mit video/audio-datensynchronisierung durch dynamische audiorahmensynchronisierung

Country Status (11)

Country Link
US (1) US6124895A (enExample)
EP (1) EP1023728B1 (enExample)
JP (1) JP4126681B2 (enExample)
KR (1) KR100621424B1 (enExample)
AT (1) ATE210879T1 (enExample)
AU (1) AU746718B2 (enExample)
CA (1) CA2305544C (enExample)
DE (1) DE69802957T2 (enExample)
DK (1) DK1023728T3 (enExample)
ES (1) ES2165195T3 (enExample)
WO (1) WO1999021188A1 (enExample)

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JP2003505951A (ja) * 1999-07-16 2003-02-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ・ビジュアル・ストリームの記録及び編集
US6864913B2 (en) * 1999-12-23 2005-03-08 Harry L. Tarnoff Method and apparatus for a reconfigurable digital processor for film conversion
EP1215663A1 (en) * 2000-12-15 2002-06-19 BRITISH TELECOMMUNICATIONS public limited company Encoding audio signals
US6834058B1 (en) 2000-12-29 2004-12-21 Cisco Systems O.I.A. (1988) Ltd. Synchronization and alignment of multiple variable length cell streams
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US7469206B2 (en) 2001-11-29 2008-12-23 Coding Technologies Ab Methods for improving high frequency reconstruction
DE60226777D1 (de) * 2002-01-18 2008-07-03 Koninkl Philips Electronics Nv Audio-kodierung
KR100926469B1 (ko) * 2002-01-31 2009-11-13 톰슨 라이센싱 가변 지연을 제공하는 오디오/비디오 시스템과, 제 1 지연된 디지털 신호에 대해 제 2 디지털 신호를 동기화하기 위한 방법
AU2006235813B2 (en) * 2002-09-18 2009-03-12 Dolby International Ab Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
SE0202770D0 (sv) * 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
US7330812B2 (en) * 2002-10-04 2008-02-12 National Research Council Of Canada Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel
US7474722B1 (en) * 2003-03-21 2009-01-06 D2Audio Corporation Systems and methods for sample rate conversion using multiple rate estimate counters
US7908306B1 (en) 2003-03-21 2011-03-15 D2Audio Corp SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator
US7738613B1 (en) 2003-03-21 2010-06-15 D2Audio Corporation Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync
US7929718B1 (en) 2003-05-12 2011-04-19 D2Audio Corporation Systems and methods for switching and mixing signals in a multi-channel amplifier
US7292902B2 (en) * 2003-11-12 2007-11-06 Dolby Laboratories Licensing Corporation Frame-based audio transmission/storage with overlap to facilitate smooth crossfading
ATE484157T1 (de) 2004-05-13 2010-10-15 Qualcomm Inc Synchronisierung von audio und video daten in einem drahtlosen nachrichtenübertragungssystem
US7526085B1 (en) * 2004-07-13 2009-04-28 Advanced Micro Devices, Inc. Throughput and latency of inbound and outbound IPsec processing
US7996699B2 (en) * 2005-04-11 2011-08-09 Graphics Properties Holdings, Inc. System and method for synchronizing multiple media devices
US8108219B2 (en) * 2005-07-11 2012-01-31 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
JP4442548B2 (ja) 2005-11-09 2010-03-31 トヨタ自動車株式会社 ルーフヘッダ構造
WO2008004649A1 (fr) * 2006-07-07 2008-01-10 Nec Corporation Dispositif de codage audio, procédé de codage audio, et programme de ceux-ci
US8805678B2 (en) * 2006-11-09 2014-08-12 Broadcom Corporation Method and system for asynchronous pipeline architecture for multiple independent dual/stereo channel PCM processing
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
US8174761B2 (en) * 2009-06-10 2012-05-08 Universitat Heidelberg Total internal reflection interferometer with laterally structured illumination
WO2011119111A1 (en) * 2010-03-26 2011-09-29 Agency For Science, Technology And Research Methods and devices for providing an encoded digital signal
US9942593B2 (en) * 2011-02-10 2018-04-10 Intel Corporation Producing decoded audio at graphics engine of host processing platform
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US9125054B2 (en) * 2012-03-23 2015-09-01 Broadcom Corporation Configurable integrated radio processor
HK1217812A1 (zh) * 2013-01-24 2017-01-20 Telesofia Medical Ltd. 用於灵活视频构建的系统和方法
TWI557727B (zh) * 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
ES2650117T3 (es) 2013-08-23 2018-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y procedimiento para procesar una señal de audio empleando una combinación en un intervalo de solapamiento
RU2681958C1 (ru) * 2015-03-09 2019-03-14 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Выровненное по фрагменту аудиокодирование
TWI594231B (zh) * 2016-12-23 2017-08-01 瑞軒科技股份有限公司 分頻壓縮電路,音訊處理方法以及音訊處理系統

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EP0158055A1 (de) * 1984-03-06 1985-10-16 WILLI STUDER AG Fabrik für elektronische Apparate Verfahren zur Ueberblendung digitaler Audiosignale, sowie Vorrichtung zur Durchfahrung des Verfahrens
JPS60212874A (ja) * 1984-04-09 1985-10-25 Matsushita Electric Ind Co Ltd デイジタル信号記録再生装置
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US4963967A (en) * 1989-03-10 1990-10-16 Tektronix, Inc. Timing audio and video signals with coincidental markers
JPH0654222A (ja) * 1992-07-28 1994-02-25 Sony Corp 同期装置
US5351092A (en) * 1993-07-23 1994-09-27 The Grass Valley Group, Inc. Synchronization of digital audio with digital video
US5483538A (en) * 1994-05-25 1996-01-09 The Grass Valley Group, Inc. Audio frame synchronization for embedded audio demultiplexers
US5603016A (en) * 1994-08-03 1997-02-11 Intel Corporation Method for synchronizing playback of an audio track to a video track
JP3603381B2 (ja) * 1995-04-07 2004-12-22 ソニー株式会社 圧縮データ編集装置および圧縮データ編集方法
DE69623771T2 (de) * 1995-05-31 2003-07-31 Sony Corp., Tokio/Tokyo Verfahren und vorrichtung zur kodierung von audiosignalen und verfahren und vorrichtung zur dekodierung von audiosignalen
GB2311918B (en) * 1996-04-02 2000-11-01 Sony Uk Ltd Audio signal processor

Also Published As

Publication number Publication date
US6124895A (en) 2000-09-26
CA2305544A1 (en) 1999-04-29
CA2305544C (en) 2005-12-20
JP4126681B2 (ja) 2008-07-30
KR100621424B1 (ko) 2006-09-13
ATE210879T1 (de) 2001-12-15
DK1023728T3 (da) 2002-03-25
DE69802957D1 (de) 2002-01-24
AU1088199A (en) 1999-05-10
EP1023728A1 (en) 2000-08-02
EP1023728B1 (en) 2001-12-12
AU746718B2 (en) 2002-05-02
KR20010024531A (ko) 2001-03-26
JP2001521309A (ja) 2001-11-06
WO1999021188A1 (en) 1999-04-29
ES2165195T3 (es) 2002-03-01

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