ATE341073T1 - Verteilung des frequenzspektrums einer prototypwellenform - Google Patents

Verteilung des frequenzspektrums einer prototypwellenform

Info

Publication number
ATE341073T1
ATE341073T1 AT00950431T AT00950431T ATE341073T1 AT E341073 T1 ATE341073 T1 AT E341073T1 AT 00950431 T AT00950431 T AT 00950431T AT 00950431 T AT00950431 T AT 00950431T AT E341073 T1 ATE341073 T1 AT E341073T1
Authority
AT
Austria
Prior art keywords
frequency spectrum
segment
bandwidths
distribution
uniformly distributed
Prior art date
Application number
AT00950431T
Other languages
German (de)
English (en)
Inventor
Sharath Manjunath
Andrew P Dejaco
Arasanipala Ananthapadmanabhan
Pengjun Huang
Eddie Lun Tik Choy
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
Application granted granted Critical
Publication of ATE341073T1 publication Critical patent/ATE341073T1/de

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
    • 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
    • G10L19/04—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)
AT00950431T 1999-07-19 2000-07-18 Verteilung des frequenzspektrums einer prototypwellenform ATE341073T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE341073T1 true ATE341073T1 (de) 2006-10-15

Family

ID=23403272

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00950431T ATE341073T1 (de) 1999-07-19 2000-07-18 Verteilung des frequenzspektrums einer prototypwellenform

Country Status (16)

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

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DE60140020D1 (de) * 2000-08-09 2009-11-05 Sony Corp 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
JP2004522198A (ja) * 2001-05-08 2004-07-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 音声符号化方法
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
US20050091044A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for pitch contour quantization in audio coding
US20050091041A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for speech coding
CN1969318B (zh) * 2004-09-17 2011-11-02 松下电器产业株式会社 音频编码装置、解码装置以及方法
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
CA2075156A1 (en) * 1991-08-02 1993-02-03 Kenzo Akagiri Digital encoder with dynamic quantization bit allocation
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
BR0012543A (pt) 2003-07-01
NO20020294L (no) 2002-02-22
NO20020294D0 (no) 2002-01-18
US6434519B1 (en) 2002-08-13
ES2276690T3 (es) 2007-07-01
CA2380992A1 (en) 2001-01-25
WO2001006494A1 (en) 2001-01-25
KR100756570B1 (ko) 2007-09-07
CN1271596C (zh) 2006-08-23
IL147571A0 (en) 2002-08-14
MXPA02000737A (es) 2002-08-20
BRPI0012543B1 (pt) 2016-08-02
EP1222658B1 (en) 2006-09-27
CN1451154A (zh) 2003-10-22
EP1222658A1 (en) 2002-07-17
JP4860860B2 (ja) 2012-01-25
HK1058427A1 (en) 2004-05-14
AU6353700A (en) 2001-02-05
DE60030997D1 (de) 2006-11-09
DE60030997T2 (de) 2007-06-06
KR20020033736A (ko) 2002-05-07
JP2003527622A (ja) 2003-09-16
RU2002104020A (ru) 2003-08-27

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