EP0713208A3 - Pitch lag estimation system - Google Patents

Pitch lag estimation system Download PDF

Info

Publication number
EP0713208A3
EP0713208A3 EP95118142A EP95118142A EP0713208A3 EP 0713208 A3 EP0713208 A3 EP 0713208A3 EP 95118142 A EP95118142 A EP 95118142A EP 95118142 A EP95118142 A EP 95118142A EP 0713208 A3 EP0713208 A3 EP 0713208A3
Authority
EP
European Patent Office
Prior art keywords
estimation system
pitch lag
lag estimation
pitch
lag
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.)
Granted
Application number
EP95118142A
Other languages
German (de)
French (fr)
Other versions
EP0713208A2 (en
EP0713208B1 (en
Inventor
Huan-Yu Su
Tom Hong Li
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.)
Conexant Systems LLC
Original Assignee
Rockwell International Corp
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 Rockwell International Corp filed Critical Rockwell International Corp
Publication of EP0713208A2 publication Critical patent/EP0713208A2/en
Publication of EP0713208A3 publication Critical patent/EP0713208A3/en
Application granted granted Critical
Publication of EP0713208B1 publication Critical patent/EP0713208B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/24—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 the cepstrum
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP95118142A 1994-11-21 1995-11-17 Pitch lag estimation system Expired - Lifetime EP0713208B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34249494A 1994-11-21 1994-11-21
US342494 1994-11-21

Publications (3)

Publication Number Publication Date
EP0713208A2 EP0713208A2 (en) 1996-05-22
EP0713208A3 true EP0713208A3 (en) 1997-12-10
EP0713208B1 EP0713208B1 (en) 2002-02-20

Family

ID=23342074

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95118142A Expired - Lifetime EP0713208B1 (en) 1994-11-21 1995-11-17 Pitch lag estimation system

Country Status (3)

Country Link
EP (1) EP0713208B1 (en)
JP (1) JPH08211895A (en)
DE (1) DE69525508T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999038156A1 (en) * 1998-01-26 1999-07-29 Matsushita Electric Industrial Co., Ltd. Method and device for emphasizing pitch
US6113653A (en) * 1998-09-11 2000-09-05 Motorola, Inc. Method and apparatus for coding an information signal using delay contour adjustment
JP4464488B2 (en) 1999-06-30 2010-05-19 パナソニック株式会社 Speech decoding apparatus, code error compensation method, speech decoding method
CA2524243C (en) * 2003-04-30 2013-02-19 Matsushita Electric Industrial Co. Ltd. Speech coding apparatus including enhancement layer performing long term prediction

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0415163A2 (en) * 1989-08-31 1991-03-06 Codex Corporation Digital speech coder having improved long term lag parameter determination
US5189701A (en) * 1991-10-25 1993-02-23 Micom Communications Corp. Voice coder/decoder and methods of coding/decoding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0415163A2 (en) * 1989-08-31 1991-03-06 Codex Corporation Digital speech coder having improved long term lag parameter determination
US5189701A (en) * 1991-10-25 1993-02-23 Micom Communications Corp. Voice coder/decoder and methods of coding/decoding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MARKEL J D: "Application of a digital inverse filter for automatic formant and F/sub 0/ analysis", IEEE TRANSACTIONS ON AUDIO AND ELECTROACOUSTICS, JUNE 1973, USA, vol. AU-21, no. 3, ISSN 0018-9278, pages 154 - 160, XP002043263 *

Also Published As

Publication number Publication date
EP0713208A2 (en) 1996-05-22
EP0713208B1 (en) 2002-02-20
DE69525508D1 (en) 2002-03-28
JPH08211895A (en) 1996-08-20
DE69525508T2 (en) 2002-06-20

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