JP2003500708A - 音声信号送信システム - Google Patents

音声信号送信システム

Info

Publication number
JP2003500708A
JP2003500708A JP2001500258A JP2001500258A JP2003500708A JP 2003500708 A JP2003500708 A JP 2003500708A JP 2001500258 A JP2001500258 A JP 2001500258A JP 2001500258 A JP2001500258 A JP 2001500258A JP 2003500708 A JP2003500708 A JP 2003500708A
Authority
JP
Japan
Prior art keywords
time
signal
frequency
audio signal
frequency change
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.)
Pending
Application number
JP2001500258A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003500708A5 (enExample
Inventor
ロバート ジェー スルイエタ
アウガスタス ジェー イー エム ジャンセン
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
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2003500708A publication Critical patent/JP2003500708A/ja
Publication of JP2003500708A5 publication Critical patent/JP2003500708A5/ja
Pending 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • 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
    • G10L2025/906—Pitch tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2001500258A 1999-05-26 2000-05-08 音声信号送信システム Pending JP2003500708A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99201656 1999-05-26
EP99201656.8 1999-05-26
PCT/EP2000/004219 WO2000074039A1 (en) 1999-05-26 2000-05-08 Audio signal transmission system

Publications (2)

Publication Number Publication Date
JP2003500708A true JP2003500708A (ja) 2003-01-07
JP2003500708A5 JP2003500708A5 (enExample) 2007-06-28

Family

ID=8240236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001500258A Pending JP2003500708A (ja) 1999-05-26 2000-05-08 音声信号送信システム

Country Status (7)

Country Link
US (1) US6978241B1 (enExample)
EP (1) EP1099215B1 (enExample)
JP (1) JP2003500708A (enExample)
KR (1) KR20010072035A (enExample)
CN (1) CN1227646C (enExample)
DE (1) DE60018246T2 (enExample)
WO (1) WO2000074039A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006518952A (ja) * 2003-01-17 2006-08-17 トムソン ライセンシング 固定レートサンプリングモードにおいて同期サンプリング設計を使用する方法
JP2013210654A (ja) * 2005-11-03 2013-10-10 Dolby International Ab 音声信号のタイムワープ処理改良変換符号化

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005506582A (ja) 2001-10-26 2005-03-03 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 オーディオコーダにおける正弦波パラメータのトラッキング
US7567903B1 (en) * 2005-01-12 2009-07-28 At&T Intellectual Property Ii, L.P. Low latency real-time vocal tract length normalization
US8682652B2 (en) * 2006-06-30 2014-03-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
KR101360456B1 (ko) 2008-07-11 2014-02-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
MY154452A (en) * 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
CA2792504C (en) * 2010-03-10 2016-05-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context
JP6303340B2 (ja) * 2013-08-30 2018-04-04 富士通株式会社 音声処理装置、音声処理方法及び音声処理用コンピュータプログラム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0546199A (ja) * 1991-08-21 1993-02-26 Matsushita Electric Ind Co Ltd 音声符号化装置
JPH07219597A (ja) * 1994-01-31 1995-08-18 Matsushita Electric Ind Co Ltd ピッチ変換装置
JPH10149199A (ja) * 1996-11-19 1998-06-02 Sony Corp 音声符号化方法、音声復号化方法、音声符号化装置、音声復号化装置、電話装置、ピッチ変換方法及び媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937873A (en) 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
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
AU7960994A (en) * 1993-10-08 1995-05-04 Comsat Corporation Improved low bit rate vocoders and methods of operation therefor
CA2154911C (en) * 1994-08-02 2001-01-02 Kazunori Ozawa Speech coding device
US5794185A (en) * 1996-06-14 1998-08-11 Motorola, Inc. Method and apparatus for speech coding using ensemble statistics
US6449590B1 (en) * 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0546199A (ja) * 1991-08-21 1993-02-26 Matsushita Electric Ind Co Ltd 音声符号化装置
JPH07219597A (ja) * 1994-01-31 1995-08-18 Matsushita Electric Ind Co Ltd ピッチ変換装置
JPH10149199A (ja) * 1996-11-19 1998-06-02 Sony Corp 音声符号化方法、音声復号化方法、音声符号化装置、音声復号化装置、電話装置、ピッチ変換方法及び媒体

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006518952A (ja) * 2003-01-17 2006-08-17 トムソン ライセンシング 固定レートサンプリングモードにおいて同期サンプリング設計を使用する方法
JP2013210654A (ja) * 2005-11-03 2013-10-10 Dolby International Ab 音声信号のタイムワープ処理改良変換符号化
US8838441B2 (en) 2005-11-03 2014-09-16 Dolby International Ab Time warped modified transform coding of audio signals
JP2015018274A (ja) * 2005-11-03 2015-01-29 ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ 音声信号のタイムワープ処理改良変換符号化

Also Published As

Publication number Publication date
US6978241B1 (en) 2005-12-20
CN1318188A (zh) 2001-10-17
DE60018246D1 (de) 2005-03-31
DE60018246T2 (de) 2006-05-04
CN1227646C (zh) 2005-11-16
KR20010072035A (ko) 2001-07-31
EP1099215B1 (en) 2005-02-23
WO2000074039A1 (en) 2000-12-07
EP1099215A1 (en) 2001-05-16

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