FR2796189B1 - AUDIO ENCODING AND DECODING METHODS AND DEVICES - Google Patents

AUDIO ENCODING AND DECODING METHODS AND DEVICES

Info

Publication number
FR2796189B1
FR2796189B1 FR9908633A FR9908633A FR2796189B1 FR 2796189 B1 FR2796189 B1 FR 2796189B1 FR 9908633 A FR9908633 A FR 9908633A FR 9908633 A FR9908633 A FR 9908633A FR 2796189 B1 FR2796189 B1 FR 2796189B1
Authority
FR
France
Prior art keywords
devices
audio encoding
decoding methods
decoding
methods
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
FR9908633A
Other languages
French (fr)
Other versions
FR2796189A1 (en
Inventor
Francois Capman
Carlo Murgia
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.)
Nortel Networks France SAS
Original Assignee
Matra Nortel Communications SAS
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 Matra Nortel Communications SAS filed Critical Matra Nortel Communications SAS
Priority to FR9908633A priority Critical patent/FR2796189B1/en
Priority to AU62923/00A priority patent/AU6292300A/en
Priority to PCT/FR2000/001909 priority patent/WO2001003121A1/en
Priority to EP00949624A priority patent/EP1190414A1/en
Publication of FR2796189A1 publication Critical patent/FR2796189A1/en
Application granted granted Critical
Publication of FR2796189B1 publication Critical patent/FR2796189B1/en
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
    • G10L19/02—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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9908633A 1999-07-05 1999-07-05 AUDIO ENCODING AND DECODING METHODS AND DEVICES Expired - Fee Related FR2796189B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9908633A FR2796189B1 (en) 1999-07-05 1999-07-05 AUDIO ENCODING AND DECODING METHODS AND DEVICES
AU62923/00A AU6292300A (en) 1999-07-05 2000-07-04 Encoding and decoding with harmonic components and minimum phase
PCT/FR2000/001909 WO2001003121A1 (en) 1999-07-05 2000-07-04 Encoding and decoding with harmonic components and minimum phase
EP00949624A EP1190414A1 (en) 1999-07-05 2000-07-04 Encoding and decoding with harmonic components and minimum phase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9908633A FR2796189B1 (en) 1999-07-05 1999-07-05 AUDIO ENCODING AND DECODING METHODS AND DEVICES

Publications (2)

Publication Number Publication Date
FR2796189A1 FR2796189A1 (en) 2001-01-12
FR2796189B1 true FR2796189B1 (en) 2001-10-05

Family

ID=9547702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9908633A Expired - Fee Related FR2796189B1 (en) 1999-07-05 1999-07-05 AUDIO ENCODING AND DECODING METHODS AND DEVICES

Country Status (4)

Country Link
EP (1) EP1190414A1 (en)
AU (1) AU6292300A (en)
FR (1) FR2796189B1 (en)
WO (1) WO2001003121A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070083856A (en) * 2004-10-28 2007-08-24 마츠시타 덴끼 산교 가부시키가이샤 Scalable encoding apparatus, scalable decoding apparatus, and methods thereof
CN111685760B (en) * 2020-07-21 2022-06-03 四川长虹电器股份有限公司 Human body respiratory frequency calculation method based on radar measurement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3137805B2 (en) * 1993-05-21 2001-02-26 三菱電機株式会社 Audio encoding device, audio decoding device, audio post-processing device, and methods thereof
JPH08123494A (en) * 1994-10-28 1996-05-17 Mitsubishi Electric Corp Speech encoding device, speech decoding device, speech encoding and decoding method, and phase amplitude characteristic derivation device usable for same
US5701391A (en) * 1995-10-31 1997-12-23 Motorola, Inc. Method and system for compressing a speech signal using envelope modulation

Also Published As

Publication number Publication date
WO2001003121A1 (en) 2001-01-11
AU6292300A (en) 2001-01-22
EP1190414A1 (en) 2002-03-27
FR2796189A1 (en) 2001-01-12

Similar Documents

Publication Publication Date Title
DE60230856D1 (en) AUDIO SIGNAL DECODING DEVICE AND AUDIO SIGNAL CODING DEVICE
DE69924922D1 (en) Audio encoding method and audio encoding device
DE69833834D1 (en) Scalable audio coding and decoding method and device
DE69825180D1 (en) AUDIO CODING AND DECODING METHOD AND DEVICE
AU2002318813A1 (en) Audio signal decoding device and audio signal encoding device
GB2392065B (en) Signal decoding methods and apparatus
DE69921271D1 (en) Content related audio / video encoding device
DE60204039D1 (en) DEVICE FOR CODING AND DECODING AUDIO SIGNALS
DE69940068D1 (en) CODING AND DECODING MULTI-CHANNEL SIGNALS
DE69738264D1 (en) Video encoding and video decoding device
DE60123317D1 (en) Coding system and coding method
DE60214027D1 (en) CODING DEVICE AND DECODING DEVICE
DE60133562D1 (en) CHANNEL CODING DECODING DEVICE AND METHOD
EP1195906A4 (en) Encoding/decoding device and encoding/decoding method
DE60044096D1 (en) VIDEO ENCODING AND DECODING
DE60139144D1 (en) AUDIO DECODER AND AUDIO DECODING METHOD
DE69907380D1 (en) decoding apparatus
DE60015448D1 (en) Sub-band audio coding
DE60045538D1 (en) Recording system and coding system
DE60038914D1 (en) Decoding device and decoding method
EP1357502A4 (en) Data encoding device and data decoding device
DE60022482D1 (en) MOVEMENT DECODING DEVICE AND METHOD
DE69938115D1 (en) Audio playback device
FR2807895B1 (en) ENCODING AND DECODING METHODS AND DEVICES AND SYSTEMS USING THE SAME
DE60007919D1 (en) Data decoding device and data decoding method

Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
ST Notification of lapse

Effective date: 20070330