IL147571A0 - Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder - Google Patents

Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder

Info

Publication number
IL147571A0
IL147571A0 IL14757100A IL14757100A IL147571A0 IL 147571 A0 IL147571 A0 IL 147571A0 IL 14757100 A IL14757100 A IL 14757100A IL 14757100 A IL14757100 A IL 14757100A IL 147571 A0 IL147571 A0 IL 147571A0
Authority
IL
Israel
Prior art keywords
phase shifts
linear phase
speech coder
frequency bands
segment
Prior art date
Application number
IL14757100A
Other languages
English (en)
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL147571A0 publication Critical patent/IL147571A0/xx

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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—Subband vocoders
    • 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
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

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)
  • Time-Division Multiplex Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
IL14757100A 1999-07-19 2000-07-18 Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder IL147571A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/356,861 US6434519B1 (en) 1999-07-19 1999-07-19 Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder
PCT/US2000/019603 WO2001006494A1 (en) 1999-07-19 2000-07-18 Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder

Publications (1)

Publication Number Publication Date
IL147571A0 true IL147571A0 (en) 2002-08-14

Family

ID=23403272

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14757100A IL147571A0 (en) 1999-07-19 2000-07-18 Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder

Country Status (17)

Country Link
US (1) US6434519B1 (de)
EP (1) EP1222658B1 (de)
JP (1) JP4860860B2 (de)
KR (1) KR100756570B1 (de)
CN (1) CN1271596C (de)
AT (1) ATE341073T1 (de)
AU (1) AU6353700A (de)
BR (1) BRPI0012543B1 (de)
CA (1) CA2380992A1 (de)
DE (1) DE60030997T2 (de)
ES (1) ES2276690T3 (de)
HK (1) HK1058427A1 (de)
IL (1) IL147571A0 (de)
MX (1) MXPA02000737A (de)
NO (1) NO20020294L (de)
RU (1) RU2002104020A (de)
WO (1) WO2001006494A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1944759B1 (de) * 2000-08-09 2010-10-20 Sony Corporation Sprachdatenverarbeitungsvorrichtung und -verarbeitungsverfahren
KR100383668B1 (ko) * 2000-09-19 2003-05-14 한국전자통신연구원 시간 분리 부호화 알고리즘을 이용한 음성 부호화기 및부호화 방법
US7386444B2 (en) * 2000-09-22 2008-06-10 Texas Instruments Incorporated Hybrid speech coding and system
CN1244904C (zh) * 2001-05-08 2006-03-08 皇家菲利浦电子有限公司 声频信号编码方法和设备
US7333929B1 (en) 2001-09-13 2008-02-19 Chmounk Dmitri V Modular scalable compressed audio data stream
US7275084B2 (en) * 2002-05-28 2007-09-25 Sun Microsystems, Inc. Method, system, and program for managing access to a device
US7130434B1 (en) 2003-03-26 2006-10-31 Plantronics, Inc. Microphone PCB with integrated filter
US20050091041A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for speech coding
US20050091044A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for pitch contour quantization in audio coding
US7860721B2 (en) * 2004-09-17 2010-12-28 Panasonic Corporation Audio encoding device, decoding device, and method capable of flexibly adjusting the optimal trade-off between a code rate and sound quality
FR2884989A1 (fr) * 2005-04-26 2006-10-27 France Telecom Procede d'adaptation pour une interoperabilite entre modeles de correlation a court terme de signaux numeriques.
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
DE102007023683A1 (de) * 2007-05-22 2008-11-27 Cramer, Annette, Dr. Verfahren zur individuellen und gezielten Klangbeaufschlagung einer Person und Vorrichtung zur Durchführung des Verfahrens
CN102724518B (zh) * 2012-05-16 2014-03-12 浙江大华技术股份有限公司 一种高清视频信号传输方法与装置
US9224402B2 (en) * 2013-09-30 2015-12-29 International Business Machines Corporation Wideband speech parameterization for high quality synthesis, transformation and quantization

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL76283A0 (en) * 1985-09-03 1986-01-31 Ibm Process and system for coding signals
JPH0364800A (ja) * 1989-08-03 1991-03-20 Ricoh Co Ltd 音声符号化及び復号化方式
EP0805564A3 (de) * 1991-08-02 1999-10-13 Sony Corporation Digitaler Kodierer mit dynamischer Quantisierungsbitzuweisung
US5884253A (en) * 1992-04-09 1999-03-16 Lucent Technologies, Inc. Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter
DE4316297C1 (de) * 1993-05-14 1994-04-07 Fraunhofer Ges Forschung Frequenzanalyseverfahren
US5574823A (en) 1993-06-23 1996-11-12 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Communications Frequency selective harmonic coding
US5668925A (en) * 1995-06-01 1997-09-16 Martin Marietta Corporation Low data rate speech encoder with mixed excitation
US5684926A (en) 1996-01-26 1997-11-04 Motorola, Inc. MBE synthesizer for very low bit rate voice messaging systems
FR2766032B1 (fr) 1997-07-10 1999-09-17 Matra Communication Codeur audio
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法

Also Published As

Publication number Publication date
HK1058427A1 (en) 2004-05-14
ATE341073T1 (de) 2006-10-15
CA2380992A1 (en) 2001-01-25
DE60030997D1 (de) 2006-11-09
ES2276690T3 (es) 2007-07-01
MXPA02000737A (es) 2002-08-20
JP2003527622A (ja) 2003-09-16
US6434519B1 (en) 2002-08-13
KR100756570B1 (ko) 2007-09-07
AU6353700A (en) 2001-02-05
KR20020033736A (ko) 2002-05-07
CN1271596C (zh) 2006-08-23
NO20020294D0 (no) 2002-01-18
NO20020294L (no) 2002-02-22
EP1222658A1 (de) 2002-07-17
EP1222658B1 (de) 2006-09-27
CN1451154A (zh) 2003-10-22
BR0012543A (pt) 2003-07-01
RU2002104020A (ru) 2003-08-27
JP4860860B2 (ja) 2012-01-25
WO2001006494A1 (en) 2001-01-25
DE60030997T2 (de) 2007-06-06
BRPI0012543B1 (pt) 2016-08-02

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