DE60018246D1 - System zur übertragung eines audiosignals - Google Patents

System zur übertragung eines audiosignals

Info

Publication number
DE60018246D1
DE60018246D1 DE60018246T DE60018246T DE60018246D1 DE 60018246 D1 DE60018246 D1 DE 60018246D1 DE 60018246 T DE60018246 T DE 60018246T DE 60018246 T DE60018246 T DE 60018246T DE 60018246 D1 DE60018246 D1 DE 60018246D1
Authority
DE
Germany
Prior art keywords
transmitting
audio signal
audio
signal
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
DE60018246T
Other languages
English (en)
Other versions
DE60018246T2 (de
Inventor
J Sluijter
J Janssen
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 DE60018246D1 publication Critical patent/DE60018246D1/de
Application granted granted Critical
Publication of DE60018246T2 publication Critical patent/DE60018246T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10L21/00—Processing of the speech or voice signal 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 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
    • 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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 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
    • 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)
DE60018246T 1999-05-26 2000-05-08 System zur übertragung eines audiosignals Expired - Fee Related DE60018246T2 (de)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
DE60018246D1 true DE60018246D1 (de) 2005-03-31
DE60018246T2 DE60018246T2 (de) 2006-05-04

Family

ID=8240236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60018246T Expired - Fee Related DE60018246T2 (de) 1999-05-26 2000-05-08 System zur übertragung eines audiosignals

Country Status (7)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1446796A1 (de) * 2001-10-26 2004-08-18 Koninklijke Philips Electronics N.V. Verfolgung von sinus-parametern in einem audiokodierer
MXPA05007617A (es) * 2003-01-17 2005-09-30 Thomson Licensing Sa Un metodo para utilizar un diseno de muestreo sincronizado en un modo de muestreo de velocidad fija.
US7567903B1 (en) * 2005-01-12 2009-07-28 At&T Intellectual Property Ii, L.P. Low latency real-time vocal tract length normalization
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
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
MY154452A (en) * 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
RU2536679C2 (ru) 2008-07-11 2014-12-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
CN102884572B (zh) * 2010-03-10 2015-06-17 弗兰霍菲尔运输应用研究公司 音频信号解码器、音频信号编码器、用以将音频信号解码的方法、及用以将音频信号编码的方法
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

Family Cites Families (9)

* 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
JPH0546199A (ja) * 1991-08-21 1993-02-26 Matsushita Electric Ind Co Ltd 音声符号化装置
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
JPH07219597A (ja) * 1994-01-31 1995-08-18 Matsushita Electric Ind Co Ltd ピッチ変換装置
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
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
US6449590B1 (en) * 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing

Also Published As

Publication number Publication date
EP1099215A1 (de) 2001-05-16
CN1318188A (zh) 2001-10-17
WO2000074039A1 (en) 2000-12-07
EP1099215B1 (de) 2005-02-23
JP2003500708A (ja) 2003-01-07
KR20010072035A (ko) 2001-07-31
DE60018246T2 (de) 2006-05-04
CN1227646C (zh) 2005-11-16
US6978241B1 (en) 2005-12-20

Similar Documents

Publication Publication Date Title
DE69928889D1 (de) System zur Verfolgung eines Objektes
DE60015624D1 (de) System zur kohärenten Erfassung für Mehrträgersignale
GB9911737D0 (en) Audio signal time scale modification
DE50111857D1 (de) Vorrichtung zur übertragung optischer signale
DE60042335D1 (de) Mehrkanal-audiosignalverarbeitungsgerät
DE60044965D1 (de) Gerät zur verarbeitung von signalen
DE60212597D1 (de) Geschlepptes niederfrequenz-unterwasserdetektionssystem
AU2001260481A1 (en) Apparatus for interrogating an optical signal
AU2003257124A8 (en) System for amplifying optical signals
DE60123146D1 (de) Videosignalwiedergabeanlage
DE60038772D1 (de) System zur Signalverarbeitung und Signalübertragung
DE69636184D1 (de) Stereophonische Vorrichtung zur Schallfelderweiterung
DE69941808D1 (de) Audiosignalverarbeitung
DE60018246D1 (de) System zur übertragung eines audiosignals
DE60002275T2 (de) System zur Erzeugen von Quadratursignalen
DE69903233T2 (de) Vorrichtung zur Verarbeitung eines Audiosignals
DE69940492D1 (de) Gerät zur Signalenbildübertragung
DE69902623D1 (de) Zwischenverstärker eines OFDM-Übertragungssignals
DE50000200D1 (de) Signalverarbeitungseinheit für digitales tv-system
DE69939086D1 (de) Audiosignalverarbeitung
DE69809876T2 (de) Empfangsgerät zur Datenübertragung
FR2826208B1 (fr) Systeme et procede de transmission d'un signal audio ou phonie
DE60045175D1 (de) Audiosignalverarbeitung
GB9926353D0 (en) Signal system
NO20022347L (no) Tilkoblingssystem for undersjöisk akustisk antenne

Legal Events

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