DE69628972D1 - MPEG Audio Dekoder - Google Patents

MPEG Audio Dekoder

Info

Publication number
DE69628972D1
DE69628972D1 DE69628972T DE69628972T DE69628972D1 DE 69628972 D1 DE69628972 D1 DE 69628972D1 DE 69628972 T DE69628972 T DE 69628972T DE 69628972 T DE69628972 T DE 69628972T DE 69628972 D1 DE69628972 D1 DE 69628972D1
Authority
DE
Germany
Prior art keywords
audio decoder
mpeg audio
mpeg
decoder
audio
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
DE69628972T
Other languages
English (en)
Other versions
DE69628972T2 (de
Inventor
Yukari Hiratsuka
Kazuhiro Sugiyama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69628972D1 publication Critical patent/DE69628972D1/de
Application granted granted Critical
Publication of DE69628972T2 publication Critical patent/DE69628972T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
DE69628972T 1995-06-01 1996-05-30 MPEG Audio Dekoder Expired - Fee Related DE69628972T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7135075A JPH08328599A (ja) 1995-06-01 1995-06-01 Ｍｐｅｇオーディオ復号器
JP13507595 1995-06-01

Publications (2)

Publication Number Publication Date
DE69628972D1 true DE69628972D1 (de) 2003-08-14
DE69628972T2 DE69628972T2 (de) 2004-05-27

Family

ID=15143265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628972T Expired - Fee Related DE69628972T2 (de) 1995-06-01 1996-05-30 MPEG Audio Dekoder

Country Status (4)

Country Link
US (1) US5852805A (de)
EP (1) EP0746116B1 (de)
JP (1) JPH08328599A (de)
DE (1) DE69628972T2 (de)

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US6661422B1 (en) * 1998-11-09 2003-12-09 Broadcom Corporation Video and graphics system with MPEG specific data transfer commands
US6636222B1 (en) 1999-11-09 2003-10-21 Broadcom Corporation Video and graphics system with an MPEG video decoder for concurrent multi-row decoding
US7982740B2 (en) 1998-11-09 2011-07-19 Broadcom Corporation Low resolution graphics mode support using window descriptors
US6573905B1 (en) 1999-11-09 2003-06-03 Broadcom Corporation Video and graphics system with parallel processing of graphics windows
US6421646B1 (en) * 1999-01-12 2002-07-16 Texas Instruments Incorporated Probabilistic method and system for verifying synchronization words
FR2791167B1 (fr) * 1999-03-17 2003-01-10 Matra Nortel Communications Procedes de codage, de decodage et de transcodage audio
DE19921122C1 (de) 1999-05-07 2001-01-25 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verschleiern eines Fehlers in einem codierten Audiosignal und Verfahren und Vorrichtung zum Decodieren eines codierten Audiosignals
US8913667B2 (en) 1999-11-09 2014-12-16 Broadcom Corporation Video decoding system having a programmable variable-length decoder
US6538656B1 (en) 1999-11-09 2003-03-25 Broadcom Corporation Video and graphics system with a data transport processor
US9668011B2 (en) 2001-02-05 2017-05-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Single chip set-top box system
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US7447639B2 (en) * 2001-01-24 2008-11-04 Nokia Corporation System and method for error concealment in digital audio transmission
US6778610B2 (en) 2001-03-02 2004-08-17 Redrock Semiconductor, Ltd. Simultaneous search for different resync-marker patterns to recover from corrupted MPEG-4 bitstreams
CN1311424C (zh) * 2001-03-06 2007-04-18 株式会社Ntt都科摩 音频数据内插、关联信息制作、内插信息发送装置和方法
AUPR433901A0 (en) 2001-04-10 2001-05-17 Lake Technology Limited High frequency signal construction method
GB0119569D0 (en) * 2001-08-13 2001-10-03 Radioscape Ltd Data hiding in digital audio broadcasting (DAB)
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
US7454331B2 (en) 2002-08-30 2008-11-18 Dolby Laboratories Licensing Corporation Controlling loudness of speech in signals that contain speech and other types of audio material
US6985856B2 (en) * 2002-12-31 2006-01-10 Nokia Corporation Method and device for compressed-domain packet loss concealment
US7318027B2 (en) * 2003-02-06 2008-01-08 Dolby Laboratories Licensing Corporation Conversion of synthesized spectral components for encoding and low-complexity transcoding
US7660352B2 (en) * 2003-04-04 2010-02-09 Sony Corporation Apparatus and method of parallel processing an MPEG-4 data stream
US7667710B2 (en) 2003-04-25 2010-02-23 Broadcom Corporation Graphics display system with line buffer control scheme
US7318035B2 (en) 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
US8437482B2 (en) 2003-05-28 2013-05-07 Dolby Laboratories Licensing Corporation Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal
US8063916B2 (en) 2003-10-22 2011-11-22 Broadcom Corporation Graphics layer reduction for video composition
KR100668299B1 (ko) * 2004-05-12 2007-01-12 삼성전자주식회사 구간별 선형양자화를 이용한 디지털 신호 부호화/복호화방법 및 장치
JP4539180B2 (ja) * 2004-06-07 2010-09-08 ソニー株式会社 音響復号装置及び音響復号方法
WO2006011445A1 (ja) * 2004-07-28 2006-02-02 Matsushita Electric Industrial Co., Ltd. 信号復号化装置
KR101261212B1 (ko) 2004-10-26 2013-05-07 돌비 레버러토리즈 라이쎈싱 코오포레이션 오디오 신호 처리 방법 및 장치
US8199933B2 (en) 2004-10-26 2012-06-12 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
TWI517562B (zh) 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
DE602007002291D1 (de) 2006-04-04 2009-10-15 Dolby Lab Licensing Corp Lautstärkemessung von tonsignalen und änderung im mdct-bereich
MY141426A (en) 2006-04-27 2010-04-30 Dolby Lab Licensing Corp Audio gain control using specific-loudness-based auditory event detection
AU2007309691B2 (en) 2006-10-20 2011-03-10 Dolby Laboratories Licensing Corporation Audio dynamics processing using a reset
US8521314B2 (en) 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
GB0703795D0 (en) * 2007-02-27 2007-04-04 Sepura Ltd Speech encoding and decoding in communications systems
RU2438197C2 (ru) 2007-07-13 2011-12-27 Долби Лэборетериз Лайсенсинг Корпорейшн Обработка звуковых сигналов с использованием анализа слуховой сцены и спектральной асимметрии
US8259944B2 (en) * 2008-06-16 2012-09-04 Alcatel Lucent System and method for pathological pattern protection
JP5724338B2 (ja) * 2010-12-03 2015-05-27 ソニー株式会社 符号化装置および符号化方法、復号装置および復号方法、並びにプログラム
KR101520212B1 (ko) 2011-04-15 2015-05-13 텔레폰악티에볼라겟엘엠에릭슨(펍) 낮은 정확성으로 재구성된 신호 영역의 감쇠를 위한 방법 및 디코더
DE112017007504B4 (de) * 2017-07-05 2021-05-06 Mitsubishi Electric Corporation Audiodecodiervorrichtung für digitalen Rundfunk
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs

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DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
US5148487A (en) * 1990-02-26 1992-09-15 Matsushita Electric Industrial Co., Ltd. Audio subband encoded signal decoder
US5384793A (en) * 1992-01-28 1995-01-24 Ericsson Ge Mobile Communications Inc. Fading and random pattern error protection method for dynamic bit allocation sub-band coding
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
DE4219400C2 (de) * 1992-06-13 1994-05-26 Inst Rundfunktechnik Gmbh Verfahren für die Fehlererkennung digitalisierter, datenreduzierter Ton- und Datensignale
US5657423A (en) * 1993-02-22 1997-08-12 Texas Instruments Incorporated Hardware filter circuit and address circuitry for MPEG encoded data
JP2658896B2 (ja) * 1994-09-02 1997-09-30 日本電気株式会社 同期回路

Also Published As

Publication number Publication date
JPH08328599A (ja) 1996-12-13
EP0746116A2 (de) 1996-12-04
US5852805A (en) 1998-12-22
DE69628972T2 (de) 2004-05-27
EP0746116B1 (de) 2003-07-09
EP0746116A3 (de) 1999-03-03

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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