CA2219358A1 - Speech signal quantization using human auditory models in predictive coding systems - Google Patents

Speech signal quantization using human auditory models in predictive coding systems Download PDF

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Publication number
CA2219358A1
CA2219358A1 CA 2219358 CA2219358A CA2219358A1 CA 2219358 A1 CA2219358 A1 CA 2219358A1 CA 2219358 CA2219358 CA 2219358 CA 2219358 A CA2219358 A CA 2219358A CA 2219358 A1 CA2219358 A1 CA 2219358A1
Authority
CA
Canada
Prior art keywords
signal
speech
pitch
lpc
processor
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
CA 2219358
Other languages
English (en)
French (fr)
Inventor
Juin-Hwey Chen
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.)
AT&T Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2219358A1 publication Critical patent/CA2219358A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CA 2219358 1996-02-26 1997-02-26 Speech signal quantization using human auditory models in predictive coding systems Abandoned CA2219358A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1229696P 1996-02-26 1996-02-26
US60/012,296 1996-02-26

Publications (1)

Publication Number Publication Date
CA2219358A1 true CA2219358A1 (en) 1997-08-28

Family

ID=21754300

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2219358 Abandoned CA2219358A1 (en) 1996-02-26 1997-02-26 Speech signal quantization using human auditory models in predictive coding systems

Country Status (5)

Country Link
EP (1) EP0954851A1 (enrdf_load_stackoverflow)
JP (1) JPH11504733A (enrdf_load_stackoverflow)
CA (1) CA2219358A1 (enrdf_load_stackoverflow)
MX (1) MX9708203A (enrdf_load_stackoverflow)
WO (1) WO1997031367A1 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6397178B1 (en) * 1998-09-18 2002-05-28 Conexant Systems, Inc. Data organizational scheme for enhanced selection of gain parameters for speech coding
US6778953B1 (en) * 2000-06-02 2004-08-17 Agere Systems Inc. Method and apparatus for representing masked thresholds in a perceptual audio coder
KR100871999B1 (ko) * 2001-05-08 2008-12-05 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
US7451091B2 (en) 2003-10-07 2008-11-11 Matsushita Electric Industrial Co., Ltd. Method for determining time borders and frequency resolutions for spectral envelope coding
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
CA2976485C (en) 2010-07-02 2018-07-24 Dolby International Ab Audio decoder
WO2012161675A1 (en) * 2011-05-20 2012-11-29 Google Inc. Redundant coding unit for audio codec
KR102052144B1 (ko) * 2011-10-24 2019-12-05 엘지전자 주식회사 음성 신호의 대역 선택적 양자화 방법 및 장치
CN111862995A (zh) * 2020-06-22 2020-10-30 北京达佳互联信息技术有限公司 一种码率确定模型训练方法、码率确定方法及装置
KR20230116503A (ko) * 2022-01-28 2023-08-04 한국전자통신연구원 스칼라 양자화와 벡터 양자화를 이용한 부호화 방법 및 부호화 장치, 그리고 복호화 방법 및 복호화 장치
CN116052695A (zh) * 2022-10-28 2023-05-02 陕西师范大学 一种基于波运算的音频听觉密码方法、系统及设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012517A (en) * 1989-04-18 1991-04-30 Pacific Communication Science, Inc. Adaptive transform coder having long term predictor
FR2700632B1 (fr) * 1993-01-21 1995-03-24 France Telecom Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués.

Also Published As

Publication number Publication date
EP0954851A1 (en) 1999-11-10
MX9708203A (es) 1997-12-31
JPH11504733A (ja) 1999-04-27
EP0954851A4 (enrdf_load_stackoverflow) 1999-11-10
WO1997031367A1 (en) 1997-08-28

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