NO933535L - Tids/frekvensinterpolasjon, særlig for relativt langsom talekoding - Google Patents

Tids/frekvensinterpolasjon, særlig for relativt langsom talekoding

Info

Publication number
NO933535L
NO933535L NO933535A NO933535A NO933535L NO 933535 L NO933535 L NO 933535L NO 933535 A NO933535 A NO 933535A NO 933535 A NO933535 A NO 933535A NO 933535 L NO933535 L NO 933535L
Authority
NO
Norway
Prior art keywords
time
frequency interpolation
speech encoding
relatively slow
tfi
Prior art date
Application number
NO933535A
Other languages
English (en)
Norwegian (no)
Other versions
NO933535D0 (no
Inventor
Yair Shoham
Original Assignee
American Telephone & Telegraph
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 American Telephone & Telegraph filed Critical American Telephone & Telegraph
Publication of NO933535D0 publication Critical patent/NO933535D0/no
Publication of NO933535L publication Critical patent/NO933535L/no

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
    • G10L2019/0001—Codebooks
    • 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
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

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)
NO933535A 1992-10-09 1993-10-04 Tids/frekvensinterpolasjon, særlig for relativt langsom talekoding NO933535L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95930592A 1992-10-09 1992-10-09

Publications (2)

Publication Number Publication Date
NO933535D0 NO933535D0 (no) 1993-10-04
NO933535L true NO933535L (no) 1994-04-11

Family

ID=25501895

Family Applications (1)

Application Number Title Priority Date Filing Date
NO933535A NO933535L (no) 1992-10-09 1993-10-04 Tids/frekvensinterpolasjon, særlig for relativt langsom talekoding

Country Status (8)

Country Link
US (1) US5577159A (fi)
EP (1) EP0592151B1 (fi)
JP (1) JP3335441B2 (fi)
CA (1) CA2105269C (fi)
DE (1) DE69328064T2 (fi)
FI (1) FI934424A (fi)
MX (1) MX9306142A (fi)
NO (1) NO933535L (fi)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3137805B2 (ja) * 1993-05-21 2001-02-26 三菱電機株式会社 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
US5839102A (en) * 1994-11-30 1998-11-17 Lucent Technologies Inc. Speech coding parameter sequence reconstruction by sequence classification and interpolation
US5991725A (en) * 1995-03-07 1999-11-23 Advanced Micro Devices, Inc. System and method for enhanced speech quality in voice storage and retrieval systems
US5682462A (en) * 1995-09-14 1997-10-28 Motorola, Inc. Very low bit rate voice messaging system using variable rate backward search interpolation processing
US6591240B1 (en) * 1995-09-26 2003-07-08 Nippon Telegraph And Telephone Corporation Speech signal modification and concatenation method by gradually changing speech parameters
EP0856185B1 (en) 1995-10-20 2003-08-13 America Online, Inc. Repetitive sound compression system
US5828994A (en) * 1996-06-05 1998-10-27 Interval Research Corporation Non-uniform time scale modification of recorded audio
JP3266819B2 (ja) * 1996-07-30 2002-03-18 株式会社エイ・ティ・アール人間情報通信研究所 周期信号変換方法、音変換方法および信号分析方法
JP4121578B2 (ja) * 1996-10-18 2008-07-23 ソニー株式会社 音声分析方法、音声符号化方法および装置
JPH10124092A (ja) * 1996-10-23 1998-05-15 Sony Corp 音声符号化方法及び装置、並びに可聴信号符号化方法及び装置
US6377914B1 (en) 1999-03-12 2002-04-23 Comsat Corporation Efficient quantization of speech spectral amplitudes based on optimal interpolation technique
JP3576936B2 (ja) * 2000-07-21 2004-10-13 株式会社ケンウッド 周波数補間装置、周波数補間方法及び記録媒体
DE10036703B4 (de) * 2000-07-27 2005-12-29 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Korrektur eines Resamplers
WO2002035517A1 (fr) * 2000-10-24 2002-05-02 Kabushiki Kaisha Kenwood Appareil et procédé pour interpoler un signal
JP3887531B2 (ja) * 2000-12-07 2007-02-28 株式会社ケンウッド 信号補間装置、信号補間方法及び記録媒体
US7400651B2 (en) 2001-06-29 2008-07-15 Kabushiki Kaisha Kenwood Device and method for interpolating frequency components of signal
JP3881932B2 (ja) * 2002-06-07 2007-02-14 株式会社ケンウッド 音声信号補間装置、音声信号補間方法及びプログラム
FR2891100B1 (fr) * 2005-09-22 2008-10-10 Georges Samake Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie.
DE102007003187A1 (de) 2007-01-22 2008-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines zu sendenden Signals oder eines decodierten Signals
EP2214161A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for upmixing a downmix audio signal
WO2010126709A1 (en) 2009-04-30 2010-11-04 Dolby Laboratories Licensing Corporation Low complexity auditory event boundary detection
TWI506583B (zh) * 2013-12-10 2015-11-01 國立中央大學 分析系統及其方法
US10354422B2 (en) * 2013-12-10 2019-07-16 National Central University Diagram building system and method for a signal data decomposition and analysis
US11287310B2 (en) 2019-04-23 2022-03-29 Computational Systems, Inc. Waveform gap filling

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239798A (ja) * 1984-05-14 1985-11-28 日本電気株式会社 音声信号符号化／復号化装置
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
CA1323934C (en) * 1986-04-15 1993-11-02 Tetsu Taguchi Speech processing apparatus
IT1195350B (it) * 1986-10-21 1988-10-12 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale
US4910781A (en) * 1987-06-26 1990-03-20 At&T Bell Laboratories Code excited linear predictive vocoder using virtual searching
CA1328509C (en) * 1988-03-28 1994-04-12 Tetsu Taguchi Linear predictive speech analysis-synthesis apparatus
GB2235354A (en) * 1989-08-16 1991-02-27 Philips Electronic Associated Speech coding/encoding using celp
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法
US5138661A (en) * 1990-11-13 1992-08-11 General Electric Company Linear predictive codeword excited speech synthesizer
US5127053A (en) * 1990-12-24 1992-06-30 General Electric Company Low-complexity method for improving the performance of autocorrelation-based pitch detectors
DE69232202T2 (de) * 1991-06-11 2002-07-25 Qualcomm, Inc. Vocoder mit veraendlicher bitrate
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
US5351338A (en) * 1992-07-06 1994-09-27 Telefonaktiebolaget L M Ericsson Time variable spectral analysis based on interpolation for speech coding

Also Published As

Publication number Publication date
EP0592151A1 (en) 1994-04-13
DE69328064D1 (de) 2000-04-20
MX9306142A (es) 1994-06-30
JP3335441B2 (ja) 2002-10-15
CA2105269A1 (en) 1994-04-10
CA2105269C (en) 1998-08-25
EP0592151B1 (en) 2000-03-15
FI934424A0 (fi) 1993-10-08
US5577159A (en) 1996-11-19
NO933535D0 (no) 1993-10-04
DE69328064T2 (de) 2000-09-07
JPH06222799A (ja) 1994-08-12
FI934424A (fi) 1994-04-10

Similar Documents

Publication Publication Date Title
NO933535L (no) Tids/frekvensinterpolasjon, særlig for relativt langsom talekoding
US4133976A (en) Predictive speech signal coding with reduced noise effects
Cummiskey et al. Adaptive quantization in differential PCM coding of speech
EP0785541B1 (en) Usage of voice activity detection for efficient coding of speech
CA2169786C (en) Frame erasure compensation techniques
US4924508A (en) Pitch detection for use in a predictive speech coder
JP4101957B2 (ja) 音声パラメータの合同量子化
US4704730A (en) Multi-state speech encoder and decoder
MX9602391A (es) Metodo y aparato para reproducir señales de conversacion y metodo para transmitirlas.
ATE119336T1 (de) Transformationskodierer und -dekodierer mit adaptiver blocklänge, adaptiver transformation und adaptivem fenster für hochwertige tonsignale.
KR950704864A (ko) 차분 코팅 원리를 구현하는 전송 시스템(Transmission system impiementing dif-ferent coding principles)
SE0201109L (sv) Förfarande och anordning för vektorkvantisering
CA2167527A1 (en) Sub-band coder with differentially encoded scale factors
CA2095883A1 (en) Voice messaging codes
KR870007618A (ko) Adpcm 코더 및 디코더
MX9300401A (es) Prediccion a largo plazo de modo doble en codificacion de voz.
DE68913691D1 (de) System zur Sprachcodierung und -decodierung.
SE9501640D0 (sv) Förfarande vid radiokommunikationssystem
EP0049271B1 (en) Predictive signals coding with partitioned quantization
JPS57125999A (en) Voice synthesizer
MX9708203A (es) Cuantificacion de señales vocales usando modelos de publico humano en sistemas de codificacion predictivas.
JP2712925B2 (ja) 音声処理装置
Cuperman Speech coding
Sugiyama et al. An LPC vocoder for efficient implementation
JPS63278422A (ja) 適応差分パルス符号変調方式

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application