DE69712230D1 - Verfahren und gerät zur frequenzdomäneabwärtsumsetzung mit zwangblockschaltung für audiodekoderfunktionen - Google Patents

Verfahren und gerät zur frequenzdomäneabwärtsumsetzung mit zwangblockschaltung für audiodekoderfunktionen

Info

Publication number
DE69712230D1
DE69712230D1 DE69712230T DE69712230T DE69712230D1 DE 69712230 D1 DE69712230 D1 DE 69712230D1 DE 69712230 T DE69712230 T DE 69712230T DE 69712230 T DE69712230 T DE 69712230T DE 69712230 D1 DE69712230 D1 DE 69712230D1
Authority
DE
Germany
Prior art keywords
audiodecoder
transmitting
functions
frequency domain
block circuit
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 - Fee Related
Application number
DE69712230T
Other languages
English (en)
Other versions
DE69712230T2 (de
Inventor
Mario Alvarez-Tinoco
Sapna George
Haiyun Yang
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.)
STMicroelectronics Asia Pacific Pte Ltd
Original Assignee
STMicroelectronics Asia Pacific Pte Ltd
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 STMicroelectronics Asia Pacific Pte Ltd filed Critical STMicroelectronics Asia Pacific Pte Ltd
Publication of DE69712230D1 publication Critical patent/DE69712230D1/de
Application granted granted Critical
Publication of DE69712230T2 publication Critical patent/DE69712230T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69712230T 1997-05-08 1997-05-08 Verfahren und gerät zur frequenzdomäneabwärtsumsetzung mit zwangblockschaltung für audiodekoderfunktionen Expired - Fee Related DE69712230T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG1997/000020 WO1998051126A1 (en) 1997-05-08 1997-05-08 Method and apparatus for frequency-domain downmixing with block-switch forcing for audio decoding functions

Publications (2)

Publication Number Publication Date
DE69712230D1 true DE69712230D1 (de) 2002-05-29
DE69712230T2 DE69712230T2 (de) 2002-10-31

Family

ID=20429561

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69712230T Expired - Fee Related DE69712230T2 (de) 1997-05-08 1997-05-08 Verfahren und gerät zur frequenzdomäneabwärtsumsetzung mit zwangblockschaltung für audiodekoderfunktionen

Country Status (4)

Country Link
US (1) US6931291B1 (de)
EP (1) EP0990368B1 (de)
DE (1) DE69712230T2 (de)
WO (1) WO1998051126A1 (de)

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US7072726B2 (en) * 2002-06-19 2006-07-04 Microsoft Corporation Converting M channels of digital audio data into N channels of digital audio data
US7542896B2 (en) * 2002-07-16 2009-06-02 Koninklijke Philips Electronics N.V. Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
WO2005098826A1 (en) 2004-04-05 2005-10-20 Koninklijke Philips Electronics N.V. Method, device, encoder apparatus, decoder apparatus and audio system
US8270439B2 (en) * 2005-07-08 2012-09-18 Activevideo Networks, Inc. Video game system using pre-encoded digital audio mixing
US8601269B2 (en) * 2005-07-15 2013-12-03 Texas Instruments Incorporated Methods and systems for close proximity wireless communications
US8074248B2 (en) 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
US8155202B2 (en) 2007-01-12 2012-04-10 Activevideo Networks, Inc. System and method for encoding scrolling raster images
JP2009278619A (ja) * 2008-04-17 2009-11-26 Panasonic Corp マルチチャンネル音声出力装置
BR122021007875B1 (pt) 2008-07-11 2022-02-22 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Codificador de áudio e decodificador de áudio
JP5163545B2 (ja) * 2009-03-05 2013-03-13 富士通株式会社 オーディオ復号装置及びオーディオ復号方法
JP5531486B2 (ja) * 2009-07-29 2014-06-25 ヤマハ株式会社 オーディオ機器
US8194862B2 (en) * 2009-07-31 2012-06-05 Activevideo Networks, Inc. Video game system with mixing of independent pre-encoded digital audio bitstreams
EP2489206A1 (de) * 2009-10-12 2012-08-22 France Telecom Verarbeitung von in einer subbanddomäne codierten schalldaten
TWI557723B (zh) 2010-02-18 2016-11-11 杜比實驗室特許公司 解碼方法及系統
KR101756838B1 (ko) 2010-10-13 2017-07-11 삼성전자주식회사 다채널 오디오 신호를 다운 믹스하는 방법 및 장치
JP5866125B2 (ja) 2010-10-14 2016-02-17 アクティブビデオ ネットワークス， インコーポレイテッド ケーブルテレビシステムを使用したビデオ装置間のデジタルビデオストリーミング
US9204203B2 (en) 2011-04-07 2015-12-01 Activevideo Networks, Inc. Reduction of latency in video distribution networks using adaptive bit rates
EP2815582B1 (de) 2012-01-09 2019-09-04 ActiveVideo Networks, Inc. Wiedergabe einer interaktiven vereinfachten benutzerschnittstelle auf einem fernsehgerät
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US9123084B2 (en) 2012-04-12 2015-09-01 Activevideo Networks, Inc. Graphical application integration with MPEG objects
WO2014145921A1 (en) 2013-03-15 2014-09-18 Activevideo Networks, Inc. A multiple-mode system and method for providing user selectable video content
US9219922B2 (en) 2013-06-06 2015-12-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9294785B2 (en) 2013-06-06 2016-03-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
WO2014197879A1 (en) 2013-06-06 2014-12-11 Activevideo Networks, Inc. Overlay rendering of user interface onto source video
US10986454B2 (en) 2014-01-06 2021-04-20 Alpine Electronics of Silicon Valley, Inc. Sound normalization and frequency remapping using haptic feedback
US8977376B1 (en) 2014-01-06 2015-03-10 Alpine Electronics of Silicon Valley, Inc. Reproducing audio signals with a haptic apparatus on acoustic headphones and their calibration and measurement
US8767996B1 (en) 2014-01-06 2014-07-01 Alpine Electronics of Silicon Valley, Inc. Methods and devices for reproducing audio signals with a haptic apparatus on acoustic headphones
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks
US10462269B2 (en) * 2016-08-15 2019-10-29 Qualcomm Incorporated Packetizing encoded audio frames into compressed-over-pulse code modulation (PCM) (COP) packets for transmission over PCM interfaces

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DE69032624T2 (de) * 1989-01-27 1999-03-25 Dolby Lab Licensing Corp Formatierung eines kodierten Signals für Kodierer und Dekodierer eines Audiosystems hoher Qualität
DE4020656A1 (de) * 1990-06-29 1992-01-02 Thomson Brandt Gmbh Verfahren zur uebertragung eines signals
JPH06165079A (ja) * 1992-11-25 1994-06-10 Matsushita Electric Ind Co Ltd マルチチャンネルステレオ用ダウンミキシング装置
US6167093A (en) * 1994-08-16 2000-12-26 Sony Corporation Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
US5867819A (en) * 1995-09-29 1999-02-02 Nippon Steel Corporation Audio decoder
US5686683A (en) * 1995-10-23 1997-11-11 The Regents Of The University Of California Inverse transform narrow band/broad band sound synthesis
SG54379A1 (en) * 1996-10-24 1998-11-16 Sgs Thomson Microelectronics A Audio decoder with an adaptive frequency domain downmixer
SG54383A1 (en) * 1996-10-31 1998-11-16 Sgs Thomson Microelectronics A Method and apparatus for decoding multi-channel audio 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
US6141645A (en) * 1998-05-29 2000-10-31 Acer Laboratories Inc. Method and device for down mixing compressed audio bit stream having multiple audio channels

Also Published As

Publication number Publication date
US6931291B1 (en) 2005-08-16
EP0990368A1 (de) 2000-04-05
EP0990368B1 (de) 2002-04-24
DE69712230T2 (de) 2002-10-31
WO1998051126A1 (en) 1998-11-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee