NO992969L - Koding og dekoding for tidsdiskrete signaler, sµrlig for lydgjengivelse - Google Patents

Koding og dekoding for tidsdiskrete signaler, sµrlig for lydgjengivelse

Info

Publication number
NO992969L
NO992969L NO992969A NO992969A NO992969L NO 992969 L NO992969 L NO 992969L NO 992969 A NO992969 A NO 992969A NO 992969 A NO992969 A NO 992969A NO 992969 L NO992969 L NO 992969L
Authority
NO
Norway
Prior art keywords
spectral values
time signals
coded
time
decoded
Prior art date
Application number
NO992969A
Other languages
English (en)
Other versions
NO992969D0 (no
NO317596B1 (no
Inventor
Bernhard Grill
Bernd Edler
Karlheinz Brandenburg
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of NO992969D0 publication Critical patent/NO992969D0/no
Publication of NO992969L publication Critical patent/NO992969L/no
Publication of NO317596B1 publication Critical patent/NO317596B1/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/02—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
    • G10L19/0204—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 using subband decomposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
NO19992969A 1997-02-19 1999-06-17 Koding og dekoding av tidsdiskrete signaler, saerlig for lydgjengivelse NO317596B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19706516A DE19706516C1 (de) 1997-02-19 1997-02-19 Verfahren und Vorricntungen zum Codieren von diskreten Signalen bzw. zum Decodieren von codierten diskreten Signalen
PCT/EP1997/006633 WO1998037544A1 (de) 1997-02-19 1997-11-28 Verfahren und vorrichtungen zum codieren von diskreten signalen bzw. zum decodieren von codierten diskreten signalen

Publications (3)

Publication Number Publication Date
NO992969D0 NO992969D0 (no) 1999-06-17
NO992969L true NO992969L (no) 1999-06-17
NO317596B1 NO317596B1 (no) 2004-11-22

Family

ID=7820801

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19992969A NO317596B1 (no) 1997-02-19 1999-06-17 Koding og dekoding av tidsdiskrete signaler, saerlig for lydgjengivelse

Country Status (13)

Country Link
US (1) US6370507B1 (no)
EP (1) EP0962015B1 (no)
JP (1) JP3420250B2 (no)
KR (1) KR100308427B1 (no)
CN (1) CN1117346C (no)
AT (1) ATE205010T1 (no)
AU (1) AU711082B2 (no)
CA (1) CA2267219C (no)
DE (2) DE19706516C1 (no)
DK (1) DK0962015T3 (no)
ES (1) ES2160980T3 (no)
NO (1) NO317596B1 (no)
WO (1) WO1998037544A1 (no)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
WO2000054256A1 (de) 1999-03-08 2000-09-14 Siemens Aktiengesellschaft Verfahren und anordnung zur ermittlung einer merkmalsbeschreibung eines sprachsignals
FR2791167B1 (fr) * 1999-03-17 2003-01-10 Matra Nortel Communications Procedes de codage, de decodage et de transcodage audio
US7085377B1 (en) * 1999-07-30 2006-08-01 Lucent Technologies Inc. Information delivery in a multi-stream digital broadcasting system
US6446037B1 (en) 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
US7099830B1 (en) * 2000-03-29 2006-08-29 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US6735561B1 (en) * 2000-03-29 2004-05-11 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
KR100528325B1 (ko) * 2002-12-18 2005-11-15 삼성전자주식회사 비트율 조절이 가능한 스테레오 오디오 부호화 및복호화방법 및 그 장치
FR2849727B1 (fr) * 2003-01-08 2005-03-18 France Telecom Procede de codage et de decodage audio a debit variable
US7619995B1 (en) * 2003-07-18 2009-11-17 Nortel Networks Limited Transcoders and mixers for voice-over-IP conferencing
JP4679049B2 (ja) 2003-09-30 2011-04-27 パナソニック株式会社 スケーラブル復号化装置
KR100685992B1 (ko) 2004-11-10 2007-02-23 엘지전자 주식회사 디지털 방송 수신기에서 채널 전환시 정보 출력 방법
DE102005032724B4 (de) * 2005-07-13 2009-10-08 Siemens Ag Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
KR101403340B1 (ko) * 2007-08-02 2014-06-09 삼성전자주식회사 변환 부호화 방법 및 장치
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
KR20130133917A (ko) * 2008-10-08 2013-12-09 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
BR122021003887B1 (pt) 2010-08-12 2021-08-24 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Reamostrar sinais de saída de codecs de áudio com base em qmf
CN103971691B (zh) * 2013-01-29 2017-09-29 鸿富锦精密工业（深圳）有限公司 语音信号处理系统及方法
CN110600051B (zh) * 2019-11-12 2020-03-31 乐鑫信息科技（上海）股份有限公司 用于选择麦克风阵列的输出波束的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715512A (en) * 1971-12-20 1973-02-06 Bell Telephone Labor Inc Adaptive predictive speech signal coding system
US5513297A (en) * 1992-07-10 1996-04-30 At&T Corp. Selective application of speech coding techniques to input signal segments
US5692102A (en) * 1995-10-26 1997-11-25 Motorola, Inc. Method device and system for an efficient noise injection process for low bitrate audio compression
JP3707116B2 (ja) 1995-10-26 2005-10-19 ソニー株式会社 音声復号化方法及び装置
US5794180A (en) * 1996-04-30 1998-08-11 Texas Instruments Incorporated Signal quantizer wherein average level replaces subframe steady-state levels
US6092041A (en) * 1996-08-22 2000-07-18 Motorola, Inc. System and method of encoding and decoding a layered bitstream by re-applying psychoacoustic analysis in the decoder
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치

Also Published As

Publication number Publication date
DK0962015T3 (da) 2001-10-08
KR100308427B1 (ko) 2001-09-29
NO992969D0 (no) 1999-06-17
EP0962015A1 (de) 1999-12-08
CN1117346C (zh) 2003-08-06
CN1234897A (zh) 1999-11-10
DE59704485D1 (de) 2001-10-04
US6370507B1 (en) 2002-04-09
ATE205010T1 (de) 2001-09-15
WO1998037544A1 (de) 1998-08-27
AU5557198A (en) 1998-09-09
ES2160980T3 (es) 2001-11-16
DE19706516C1 (de) 1998-01-15
EP0962015B1 (de) 2001-08-29
JP2000508091A (ja) 2000-06-27
KR20000069494A (ko) 2000-11-25
AU711082B2 (en) 1999-10-07
NO317596B1 (no) 2004-11-22
CA2267219C (en) 2003-06-17
JP3420250B2 (ja) 2003-06-23
CA2267219A1 (en) 1998-08-27

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