JPH08211895A - ピッチラグを評価するためのシステムおよび方法、ならびに音声符号化装置および方法 - Google Patents

ピッチラグを評価するためのシステムおよび方法、ならびに音声符号化装置および方法

Info

Publication number
JPH08211895A
JPH08211895A JP7295266A JP29526695A JPH08211895A JP H08211895 A JPH08211895 A JP H08211895A JP 7295266 A JP7295266 A JP 7295266A JP 29526695 A JP29526695 A JP 29526695A JP H08211895 A JPH08211895 A JP H08211895A
Authority
JP
Japan
Prior art keywords
speech
pitch
lag
samples
subframe
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.)
Withdrawn
Application number
JP7295266A
Other languages
English (en)
Japanese (ja)
Inventor
Huan-Yu Su
フアン−ユー・スー
Tom Hong Li
トム・ホン・リー
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.)
Boeing North American Inc
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 JPH08211895A publication Critical patent/JPH08211895A/ja
Withdrawn legal-status Critical Current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
    • G10L25/24—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 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
    • G10L25/27—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)
JP7295266A 1994-11-21 1995-11-14 ピッチラグを評価するためのシステムおよび方法、ならびに音声符号化装置および方法 Withdrawn JPH08211895A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34249494A 1994-11-21 1994-11-21
US08/342494 1994-11-21

Publications (1)

Publication Number Publication Date
JPH08211895A true JPH08211895A (ja) 1996-08-20

Family

ID=23342074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7295266A Withdrawn JPH08211895A (ja) 1994-11-21 1995-11-14 ピッチラグを評価するためのシステムおよび方法、ならびに音声符号化装置および方法

Country Status (3)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999038156A1 (fr) * 1998-01-26 1999-07-29 Matsushita Electric Industrial Co., Ltd. Methode et dispositif d'accentuation de registre
WO2001003115A1 (fr) * 1999-06-30 2001-01-11 Matsushita Electric Industrial Co., Ltd. Decodeur audio et procede de compensation d'erreur de codage
JP2002525662A (ja) * 1998-09-11 2002-08-13 モトローラ・インコーポレイテッド 遅延輪郭調整を利用して情報信号を符号化する方法および装置
WO2004097796A1 (fr) * 2003-04-30 2004-11-11 Matsushita Electric Industrial Co., Ltd. Dispositif et procede de codage audio et dispositif et procede de decodage audio

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5097508A (en) * 1989-08-31 1992-03-17 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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999038156A1 (fr) * 1998-01-26 1999-07-29 Matsushita Electric Industrial Co., Ltd. Methode et dispositif d'accentuation de registre
JP2002525662A (ja) * 1998-09-11 2002-08-13 モトローラ・インコーポレイテッド 遅延輪郭調整を利用して情報信号を符号化する方法および装置
WO2001003115A1 (fr) * 1999-06-30 2001-01-11 Matsushita Electric Industrial Co., Ltd. Decodeur audio et procede de compensation d'erreur de codage
US7171354B1 (en) 1999-06-30 2007-01-30 Matsushita Electric Industrial Co., Ltd. Audio decoder and coding error compensating method
US7499853B2 (en) 1999-06-30 2009-03-03 Panasonic Corporation Speech decoder and code error compensation method
WO2004097796A1 (fr) * 2003-04-30 2004-11-11 Matsushita Electric Industrial Co., Ltd. Dispositif et procede de codage audio et dispositif et procede de decodage audio

Also Published As

Publication number Publication date
EP0713208A3 (fr) 1997-12-10
EP0713208B1 (fr) 2002-02-20
DE69525508D1 (de) 2002-03-28
EP0713208A2 (fr) 1996-05-22
DE69525508T2 (de) 2002-06-20

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