DE69937140D1 - Adaptive bit-zuordnung für audio-kodierer - Google Patents

Adaptive bit-zuordnung für audio-kodierer

Info

Publication number
DE69937140D1
DE69937140D1 DE69937140T DE69937140T DE69937140D1 DE 69937140 D1 DE69937140 D1 DE 69937140D1 DE 69937140 T DE69937140 T DE 69937140T DE 69937140 T DE69937140 T DE 69937140T DE 69937140 D1 DE69937140 D1 DE 69937140D1
Authority
DE
Germany
Prior art keywords
audio data
bands
adaptive bit
bit assignment
frequency sub
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
DE69937140T
Other languages
English (en)
Other versions
DE69937140T2 (de
Inventor
Lin Yin
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.)
Sony Electronics Inc
Original Assignee
Sony Electronics Inc
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 Sony Electronics Inc filed Critical Sony Electronics Inc
Application granted granted Critical
Publication of DE69937140D1 publication Critical patent/DE69937140D1/de
Publication of DE69937140T2 publication Critical patent/DE69937140T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/002—Dynamic bit allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69937140T 1998-12-24 1999-12-14 Adaptive bit-zuordnung für audio-kodierer Expired - Fee Related DE69937140T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US220320 1998-12-24
US09/220,320 US6240379B1 (en) 1998-12-24 1998-12-24 System and method for preventing artifacts in an audio data encoder device
PCT/US1999/029685 WO2000039790A1 (en) 1998-12-24 1999-12-14 Adaptive bit allocation for audio encoder

Publications (2)

Publication Number Publication Date
DE69937140D1 true DE69937140D1 (de) 2007-10-31
DE69937140T2 DE69937140T2 (de) 2008-06-19

Family

ID=22823086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937140T Expired - Fee Related DE69937140T2 (de) 1998-12-24 1999-12-14 Adaptive bit-zuordnung für audio-kodierer

Country Status (10)

Country Link
US (1) US6240379B1 (de)
EP (1) EP1057173B1 (de)
JP (1) JP2002533790A (de)
KR (1) KR20010034370A (de)
AT (1) ATE373856T1 (de)
AU (1) AU2361700A (de)
CA (1) CA2320171A1 (de)
DE (1) DE69937140T2 (de)
TW (1) TW454172B (de)
WO (1) WO2000039790A1 (de)

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DE19907964C1 (de) * 1999-02-24 2000-08-10 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Erzeugen eines verschlüsselten Datenstroms und Vorrichtung und Verfahren zum Erzeugen eines entschlüsselten Audio- und/oder Videosignals
US6745162B1 (en) * 2000-06-22 2004-06-01 Sony Corporation System and method for bit allocation in an audio encoder
EP1532734A4 (de) 2002-06-05 2008-10-01 Sonic Focus Inc Akustische virtual-reality-engine und erweiterte techniken zur verbesserung des abgelieferten schalls
KR100723400B1 (ko) * 2004-05-12 2007-05-30 삼성전자주식회사 복수의 룩업테이블을 이용한 디지털 신호 부호화 방법 및장치
US7627481B1 (en) * 2005-04-19 2009-12-01 Apple Inc. Adapting masking thresholds for encoding a low frequency transient signal in audio data
KR100851970B1 (ko) 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
US8995559B2 (en) 2008-03-28 2015-03-31 Qualcomm Incorporated Signaling message transmission in a wireless communication network
US9276787B2 (en) 2008-03-28 2016-03-01 Qualcomm Incorporated Transmission of signaling messages using beacon signals
TWI484473B (zh) 2009-10-30 2015-05-11 Dolby Int Ab 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統
US8621246B2 (en) * 2009-12-23 2013-12-31 Intel Corporation Power management system and method to provide supply voltage to a load
US9672840B2 (en) * 2011-10-27 2017-06-06 Lg Electronics Inc. Method for encoding voice signal, method for decoding voice signal, and apparatus using same
US20150025894A1 (en) * 2013-07-16 2015-01-22 Electronics And Telecommunications Research Institute Method for encoding and decoding of multi channel audio signal, encoder and decoder
CN104934034B (zh) * 2014-03-19 2016-11-16 华为技术有限公司 用于信号处理的方法和装置
JP6586804B2 (ja) * 2015-07-14 2019-10-09 富士通株式会社 符号化装置、符号化方法、及びプログラム
GB2565268B (en) * 2017-06-22 2021-11-24 Avago Tech Int Sales Pte Lid Apparatus and method for packing a bit stream

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2913731B2 (ja) 1990-03-07 1999-06-28 ソニー株式会社 ディジタルデータの高能率符号化方法
CA2075156A1 (en) 1991-08-02 1993-02-03 Kenzo Akagiri Digital encoder with dynamic quantization bit allocation
EP0559348A3 (de) * 1992-03-02 1993-11-03 AT&T Corp. Rateurregelschleifenprozessor für einen wahrnehmungsgebundenen Koder/Dekoder
US5396497A (en) 1993-02-26 1995-03-07 Sony Corporation Synchronization of audio/video information
US5481543A (en) 1993-03-16 1996-01-02 Sony Corporation Rational input buffer arrangements for auxiliary information in video and audio signal processing systems
US5511054A (en) 1993-03-31 1996-04-23 Sony Corporation Apparatus and method for multiplexing encoded data signals and recording medium having multiplexed signals recorded thereon
JP3555149B2 (ja) 1993-10-28 2004-08-18 ソニー株式会社 オーディオ信号符号化方法及び装置、記録媒体、オーディオ信号復号化方法及び装置、
US5764698A (en) * 1993-12-30 1998-06-09 International Business Machines Corporation Method and apparatus for efficient compression of high quality digital audio
US5732391A (en) 1994-03-09 1998-03-24 Motorola, Inc. Method and apparatus of reducing processing steps in an audio compression system using psychoacoustic parameters
EP0734021A3 (de) * 1995-03-23 1999-05-26 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Verfahren und Vorrichtung zur Dekodierung digitaler, im MPEG-Format Layer 1 oder 2 kodierter Audiodaten
WO1996032710A1 (en) * 1995-04-10 1996-10-17 Corporate Computer Systems, Inc. System for compression and decompression of audio signals for digital transmission
JP4223571B2 (ja) 1995-05-02 2009-02-12 ソニー株式会社 画像符号化方法及び装置
US6006179A (en) * 1997-10-28 1999-12-21 America Online, Inc. Audio codec using adaptive sparse vector quantization with subband vector classification

Also Published As

Publication number Publication date
DE69937140T2 (de) 2008-06-19
JP2002533790A (ja) 2002-10-08
US6240379B1 (en) 2001-05-29
EP1057173A1 (de) 2000-12-06
TW454172B (en) 2001-09-11
WO2000039790A1 (en) 2000-07-06
CA2320171A1 (en) 2000-07-06
KR20010034370A (ko) 2001-04-25
EP1057173B1 (de) 2007-09-19
AU2361700A (en) 2000-07-31
ATE373856T1 (de) 2007-10-15

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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