SE9604563D0 - Metod och anordning för att implementera vektorkvantisering av talparametrar - Google Patents

Metod och anordning för att implementera vektorkvantisering av talparametrar

Info

Publication number
SE9604563D0
SE9604563D0 SE9604563A SE9604563A SE9604563D0 SE 9604563 D0 SE9604563 D0 SE 9604563D0 SE 9604563 A SE9604563 A SE 9604563A SE 9604563 A SE9604563 A SE 9604563A SE 9604563 D0 SE9604563 D0 SE 9604563D0
Authority
SE
Sweden
Prior art keywords
vector
speech parameters
speech
vector quantization
quantized
Prior art date
Application number
SE9604563A
Other languages
English (en)
Other versions
SE9604563L (sv
Inventor
Bruce Alan Fette
Shirley Hsiao-Mei Lee
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of SE9604563D0 publication Critical patent/SE9604563D0/sv
Publication of SE9604563L publication Critical patent/SE9604563L/sv

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
    • G10L19/04—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (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)
SE9604563A 1995-12-26 1996-12-12 Metod och anordning för att implementera vektorkvantisering av talparametrar SE9604563L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/578,818 US5797121A (en) 1995-12-26 1995-12-26 Method and apparatus for implementing vector quantization of speech parameters

Publications (2)

Publication Number Publication Date
SE9604563D0 true SE9604563D0 (sv) 1996-12-12
SE9604563L SE9604563L (sv) 1997-06-27

Family

ID=24314445

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9604563A SE9604563L (sv) 1995-12-26 1996-12-12 Metod och anordning för att implementera vektorkvantisering av talparametrar

Country Status (3)

Country Link
US (1) US5797121A (sv)
JP (1) JPH09190199A (sv)
SE (1) SE9604563L (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
DE19845888A1 (de) * 1998-10-06 2000-05-11 Bosch Gmbh Robert Verfahren zur Codierung oder Decodierung von Sprachsignalabtastwerten sowie Coder bzw. Decoder
JP2008170488A (ja) * 2007-01-06 2008-07-24 Yamaha Corp 波形圧縮装置、波形伸長装置、プログラムおよび圧縮データの生産方法
CN101896968A (zh) * 2007-11-06 2010-11-24 诺基亚公司 音频编码装置及其方法
CN102568489B (zh) * 2007-11-06 2015-09-16 诺基亚公司 编码器
WO2009059632A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation An encoder
RU2483368C2 (ru) * 2007-11-06 2013-05-27 Нокиа Корпорейшн Кодер
AU2009256551B2 (en) * 2008-06-13 2015-08-13 Nokia Technologies Oy Method and apparatus for error concealment of encoded audio data
US10769517B2 (en) * 2016-03-05 2020-09-08 Fujitsu Limited Neural network analysis

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815134A (en) * 1987-09-08 1989-03-21 Texas Instruments Incorporated Very low rate speech encoder and decoder
US5384891A (en) * 1988-09-28 1995-01-24 Hitachi, Ltd. Vector quantizing apparatus and speech analysis-synthesis system using the apparatus
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
US5588089A (en) * 1990-10-23 1996-12-24 Koninklijke Ptt Nederland N.V. Bark amplitude component coder for a sampled analog signal and decoder for the coded signal
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
US5371853A (en) * 1991-10-28 1994-12-06 University Of Maryland At College Park Method and system for CELP speech coding and codebook for use therewith
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
US5457783A (en) * 1992-08-07 1995-10-10 Pacific Communication Sciences, Inc. Adaptive speech coder having code excited linear prediction
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding

Also Published As

Publication number Publication date
SE9604563L (sv) 1997-06-27
JPH09190199A (ja) 1997-07-22
US5797121A (en) 1998-08-18

Similar Documents

Publication Publication Date Title
EP0770985A3 (en) Signal encoding method and apparatus
HK1011109A1 (en) Distributed voice recognition system.
EP0720148A1 (en) Method for noise weighting filtering
TR199501637A2 (tr) Bir ses sinyalini kodlamak icin yöntem.
SE9800776L (sv) Sätt och anordning för audiokodning
EP0788091A3 (en) Speech encoding and decoding method and apparatus therefor
KR970022701A (ko) 음성부호화방법 및 장치
EP0833305A3 (en) Low bit-rate pitch lag coder
EP0957472A3 (en) Speech coding apparatus and speech decoding apparatus
WO1999018565A3 (en) Speech coding
SE9604563L (sv) Metod och anordning för att implementera vektorkvantisering av talparametrar
US5027405A (en) Communication system capable of improving a speech quality by a pair of pulse producing units
MY112330A (en) Method and apparatus for generating and encoding line spectral square roots
CA2006487C (en) Communication system capable of improving a speech quality by effectively calculating excitation multipulses
AU5263396A (en) Predictive split-matrix quantization of spectral parameters for efficient coding of speech
EP0849724A3 (en) High quality speech coder and coding method
DE68914147D1 (de) Sprachcodierer mit niedriger Datenrate und niedriger Verzögerung.
US4881267A (en) Encoder of a multi-pulse type capable of optimizing the number of excitation pulses and quantization level
Crochiere et al. Current perspectives in digital speech
CA2213020A1 (en) Wide-band speech spectral quantizer
EP0814459A3 (en) Wideband speech coder and decoder
SE9800338D0 (sv) Audio coding method and apparatus
JP2581050B2 (ja) 音声分析合成装置
JPH03240100A (ja) マルチパルス型音声符号復号化装置
KR960003626B1 (ko) 변환 부호화된 오디오 신호의 난청자용 복호화 방법

Legal Events

Date Code Title Description
NAV Patent application has lapsed