CA1332982C - Codage de formes d'onde acoustiques - Google Patents

Codage de formes d'onde acoustiques

Info

Publication number
CA1332982C
CA1332982C CA000560230A CA560230A CA1332982C CA 1332982 C CA1332982 C CA 1332982C CA 000560230 A CA000560230 A CA 000560230A CA 560230 A CA560230 A CA 560230A CA 1332982 C CA1332982 C CA 1332982C
Authority
CA
Canada
Prior art keywords
pitch
phase
coding
frequency components
frame
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 - Lifetime
Application number
CA000560230A
Other languages
English (en)
Inventor
Robert J. Mcauley
Thomas F. Quatieri, Jr.
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.)
Massachusetts Institute of Technology
Original Assignee
Massachusetts Institute of Technology
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 Massachusetts Institute of Technology filed Critical Massachusetts Institute of Technology
Application granted granted Critical
Publication of CA1332982C publication Critical patent/CA1332982C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CA000560230A 1987-04-02 1988-03-01 Codage de formes d'onde acoustiques Expired - Lifetime CA1332982C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3409787A 1987-04-02 1987-04-02
US034,097 1987-04-02

Publications (1)

Publication Number Publication Date
CA1332982C true CA1332982C (fr) 1994-11-08

Family

ID=21874290

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000560230A Expired - Lifetime CA1332982C (fr) 1987-04-02 1988-03-01 Codage de formes d'onde acoustiques

Country Status (6)

Country Link
EP (1) EP0285276B1 (fr)
JP (2) JP3191926B2 (fr)
AT (1) ATE95936T1 (fr)
AU (2) AU612351B2 (fr)
CA (1) CA1332982C (fr)
DE (1) DE3884839T2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5029509A (en) * 1989-05-10 1991-07-09 Board Of Trustees Of The Leland Stanford Junior University Musical synthesizer combining deterministic and stochastic waveforms
JPH04150233A (ja) * 1990-10-09 1992-05-22 Matsushita Electric Ind Co Ltd 信号伝送方法
JP2606756B2 (ja) * 1990-10-22 1997-05-07 財団法人鉄道総合技術研究所 ディジタル信号伝送装置
DE4126882A1 (de) * 1991-08-14 1993-02-18 Philips Patentverwaltung Anordnung zur sprachuebertragung
WO1993018505A1 (fr) * 1992-03-02 1993-09-16 The Walt Disney Company Systeme de transformation vocale
BE1007428A3 (nl) * 1993-08-02 1995-06-13 Philips Electronics Nv Transmissiesysteem met reconstructie van ontbrekende signaalmonsters.
US5517595A (en) * 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
JP2778567B2 (ja) * 1995-12-23 1998-07-23 日本電気株式会社 信号符号化装置及び方法
US6112169A (en) * 1996-11-07 2000-08-29 Creative Technology, Ltd. System for fourier transform-based modification of audio
US6449592B1 (en) 1999-02-26 2002-09-10 Qualcomm Incorporated Method and apparatus for tracking the phase of a quasi-periodic signal
WO2002003381A1 (fr) * 2000-02-29 2002-01-10 Qualcomm Incorporated Procede et appareil pour mesurer la phase d'un signal quasi periodique
DE60113034T2 (de) * 2000-06-20 2006-06-14 Koninkl Philips Electronics Nv Sinusoidale kodierung
RU2353980C2 (ru) * 2002-11-29 2009-04-27 Конинклейке Филипс Электроникс Н.В. Аудиокодирование
CN1846253B (zh) * 2003-09-05 2010-06-16 皇家飞利浦电子股份有限公司 低比特率音频编码
EP2398017B1 (fr) 2009-02-16 2014-04-23 Electronics and Telecommunications Research Institute Procédé de codage/décodage de signaux audio par sinusoidal codage adaptatif et dispositif correspondant
EP2375785B1 (fr) 2010-04-08 2018-08-29 GN Hearing A/S Améliorations de la stabilité des appareils auditifs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856068A (en) * 1985-03-18 1989-08-08 Massachusetts Institute Of Technology Audio pre-processing methods and apparatus
EP0215915A4 (fr) * 1985-03-18 1987-11-25 Massachusetts Inst Technology Traitement de formes d'ondes acoustiques.

Also Published As

Publication number Publication date
EP0285276A3 (en) 1989-11-23
EP0285276A2 (fr) 1988-10-05
JP3191926B2 (ja) 2001-07-23
ATE95936T1 (de) 1993-10-15
AU1314588A (en) 1988-10-06
AU7436491A (en) 1991-07-11
DE3884839T2 (de) 1994-05-05
AU643769B2 (en) 1993-11-25
DE3884839D1 (de) 1993-11-18
AU612351B2 (en) 1991-07-11
EP0285276B1 (fr) 1993-10-13
JP2001228898A (ja) 2001-08-24
JPH01221800A (ja) 1989-09-05

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