DE69614799D1 - Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenz - Google Patents

Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenz

Info

Publication number
DE69614799D1
DE69614799D1 DE69614799T DE69614799T DE69614799D1 DE 69614799 D1 DE69614799 D1 DE 69614799D1 DE 69614799 T DE69614799 T DE 69614799T DE 69614799 T DE69614799 T DE 69614799T DE 69614799 D1 DE69614799 D1 DE 69614799D1
Authority
DE
Germany
Prior art keywords
transmission system
frequency detection
base frequency
voice encoding
improved base
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.)
Expired - Fee Related
Application number
DE69614799T
Other languages
English (en)
Other versions
DE69614799T2 (de
Inventor
Rabesh Taori
Johannes Sluijter
Eric Kathmann
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69614799D1 publication Critical patent/DE69614799D1/de
Application granted granted Critical
Publication of DE69614799T2 publication Critical patent/DE69614799T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • 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
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69614799T 1995-05-10 1996-05-07 Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenz Expired - Fee Related DE69614799T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95201199 1995-05-10
PCT/IB1996/000410 WO1996036041A2 (en) 1995-05-10 1996-05-07 Transmission system and method for encoding speech with improved pitch detection

Publications (2)

Publication Number Publication Date
DE69614799D1 true DE69614799D1 (de) 2001-10-04
DE69614799T2 DE69614799T2 (de) 2002-06-13

Family

ID=8220277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614799T Expired - Fee Related DE69614799T2 (de) 1995-05-10 1996-05-07 Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenz

Country Status (5)

Country Link
US (1) US5963895A (de)
EP (1) EP0770254B1 (de)
CN (1) CN1155942C (de)
DE (1) DE69614799T2 (de)
WO (1) WO1996036041A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3651200A (en) * 1999-08-17 2001-03-13 Glenayre Electronics, Inc Pitch and voicing estimation for low bit rate speech coders
KR100487645B1 (ko) * 2001-11-12 2005-05-03 인벤텍 베스타 컴파니 리미티드 유사주기 파형들을 이용한 음성 인코딩 방법
TW589618B (en) * 2001-12-14 2004-06-01 Ind Tech Res Inst Method for determining the pitch mark of speech
US20030220787A1 (en) * 2002-04-19 2003-11-27 Henrik Svensson Method of and apparatus for pitch period estimation
JP4736632B2 (ja) * 2005-08-31 2011-07-27 株式会社国際電気通信基礎技術研究所 ボーカル・フライ検出装置及びコンピュータプログラム
JP2007114417A (ja) * 2005-10-19 2007-05-10 Fujitsu Ltd 音声データ処理方法及び装置
JP4882899B2 (ja) * 2007-07-25 2012-02-22 ソニー株式会社 音声解析装置、および音声解析方法、並びにコンピュータ・プログラム
BRPI1008915A2 (pt) * 2009-02-27 2018-01-16 Panasonic Corp dispositivo de determinação de tom e método de determinação de tom
EP2980798A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Harmonizitätsabhängige Steuerung eines harmonischen Filterwerkzeugs

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676595A (en) * 1970-04-20 1972-07-11 Research Corp Voiced sound display
US4310721A (en) * 1980-01-23 1982-01-12 The United States Of America As Represented By The Secretary Of The Army Half duplex integral vocoder modem system
US4561102A (en) * 1982-09-20 1985-12-24 At&T Bell Laboratories Pitch detector for speech analysis
US4879748A (en) * 1985-08-28 1989-11-07 American Telephone And Telegraph Company Parallel processing pitch detector
US4912764A (en) * 1985-08-28 1990-03-27 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder with different excitation types
US4803730A (en) * 1986-10-31 1989-02-07 American Telephone And Telegraph Company, At&T Bell Laboratories Fast significant sample detection for a pitch detector
US5042069A (en) * 1989-04-18 1991-08-20 Pacific Communications Sciences, Inc. Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals
US5012517A (en) * 1989-04-18 1991-04-30 Pacific Communication Science, Inc. Adaptive transform coder having long term predictor
JPH0782359B2 (ja) * 1989-04-21 1995-09-06 三菱電機株式会社 音声符号化装置、音声復号化装置及び音声符号化・復号化装置
US5127053A (en) * 1990-12-24 1992-06-30 General Electric Company Low-complexity method for improving the performance of autocorrelation-based pitch detectors
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination

Also Published As

Publication number Publication date
CN1153565A (zh) 1997-07-02
EP0770254B1 (de) 2001-08-29
CN1155942C (zh) 2004-06-30
HK1012752A1 (en) 1999-08-06
US5963895A (en) 1999-10-05
DE69614799T2 (de) 2002-06-13
WO1996036041A3 (en) 1997-01-30
WO1996036041A2 (en) 1996-11-14
EP0770254A2 (de) 1997-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee