AU5664898A - Audio coding method and apparatus - Google Patents

Audio coding method and apparatus

Info

Publication number
AU5664898A
AU5664898A AU56648/98A AU5664898A AU5664898A AU 5664898 A AU5664898 A AU 5664898A AU 56648/98 A AU56648/98 A AU 56648/98A AU 5664898 A AU5664898 A AU 5664898A AU 5664898 A AU5664898 A AU 5664898A
Authority
AU
Australia
Prior art keywords
coding method
audio coding
audio
coding
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.)
Abandoned
Application number
AU56648/98A
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of AU5664898A publication Critical patent/AU5664898A/en
Abandoned 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AU56648/98A 1997-02-07 1998-01-15 Audio coding method and apparatus Abandoned AU5664898A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI970553A FI970553A (en) 1997-02-07 1997-02-07 Audio coding method and device
FI970553 1997-02-07
PCT/FI1998/000029 WO1998035447A2 (en) 1997-02-07 1998-01-15 Audio coding method and apparatus

Publications (1)

Publication Number Publication Date
AU5664898A true AU5664898A (en) 1998-08-26

Family

ID=8548146

Family Applications (1)

Application Number Title Priority Date Filing Date
AU56648/98A Abandoned AU5664898A (en) 1997-02-07 1998-01-15 Audio coding method and apparatus

Country Status (9)

Country Link
JP (1) JPH10260699A (en)
CN (1) CN1202513C (en)
AU (1) AU5664898A (en)
DE (1) DE19804584A1 (en)
FI (1) FI970553A (en)
FR (1) FR2759510A1 (en)
GB (1) GB2322776B (en)
SE (1) SE9800338L (en)
WO (1) WO1998035447A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8332216B2 (en) 2006-01-12 2012-12-11 Stmicroelectronics Asia Pacific Pte., Ltd. System and method for low power stereo perceptual audio coding using adaptive masking threshold
US7610195B2 (en) 2006-06-01 2009-10-27 Nokia Corporation Decoding of predictively coded data using buffer adaptation
WO2010104011A1 (en) * 2009-03-10 2010-09-16 日本電信電話株式会社 Encoding method, decoding method, encoding device, decoding device, program, and recording medium
CN106409299B (en) * 2012-03-29 2019-11-05 华为技术有限公司 Signal coding and decoded method and apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02131038A (en) * 1988-11-10 1990-05-18 Pioneer Electron Corp Signal transmitter
JP3343965B2 (en) * 1992-10-31 2002-11-11 ソニー株式会社 Voice encoding method and decoding method
EP0692881B1 (en) * 1993-11-09 2005-06-15 Sony Corporation Quantization apparatus, quantization method, high efficiency encoder, high efficiency encoding method, decoder, high efficiency encoder and recording media
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
DE19526366A1 (en) * 1995-07-20 1997-01-23 Bosch Gmbh Robert Redundancy reduction method for coding multichannel signals and device for decoding redundancy-reduced multichannel signals
GB2318029B (en) * 1996-10-01 2000-11-08 Nokia Mobile Phones Ltd Audio coding method and apparatus

Also Published As

Publication number Publication date
FI970553A (en) 1998-08-08
WO1998035447A3 (en) 1998-11-19
SE9800338D0 (en) 1998-02-05
DE19804584A1 (en) 1998-08-13
GB2322776B (en) 2002-03-13
CN1202513C (en) 2005-05-18
JPH10260699A (en) 1998-09-29
FI970553A0 (en) 1997-02-07
GB9802611D0 (en) 1998-04-01
SE9800338L (en) 1998-08-08
FR2759510A1 (en) 1998-08-14
GB2322776A (en) 1998-09-02
CN1199959A (en) 1998-11-25
WO1998035447A2 (en) 1998-08-13

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