DE60120078D1 - Vorrichtung zur Erweiterung der Bandbreite von Sprachsignalen - Google Patents

Vorrichtung zur Erweiterung der Bandbreite von Sprachsignalen

Info

Publication number
DE60120078D1
DE60120078D1 DE60120078T DE60120078T DE60120078D1 DE 60120078 D1 DE60120078 D1 DE 60120078D1 DE 60120078 T DE60120078 T DE 60120078T DE 60120078 T DE60120078 T DE 60120078T DE 60120078 D1 DE60120078 D1 DE 60120078D1
Authority
DE
Germany
Prior art keywords
bandwidth
expanding
speech signals
speech
signals
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 - Lifetime
Application number
DE60120078T
Other languages
English (en)
Other versions
DE60120078T2 (de
Inventor
Toru Oishi
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.)
Renesas Electronics Corp
Original Assignee
NEC Electronics 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 NEC Electronics Corp filed Critical NEC Electronics Corp
Publication of DE60120078D1 publication Critical patent/DE60120078D1/de
Application granted granted Critical
Publication of DE60120078T2 publication Critical patent/DE60120078T2/de
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
    • 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
DE60120078T 2000-10-31 2001-10-29 Vorrichtung zur Erweiterung der Bandbreite von Sprachsignalen Expired - Lifetime DE60120078T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000332482 2000-10-31
JP2000332482A JP3467469B2 (ja) 2000-10-31 2000-10-31 音声復号装置および音声復号プログラムを記録した記録媒体

Publications (2)

Publication Number Publication Date
DE60120078D1 true DE60120078D1 (de) 2006-07-06
DE60120078T2 DE60120078T2 (de) 2007-01-04

Family

ID=18808684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60120078T Expired - Lifetime DE60120078T2 (de) 2000-10-31 2001-10-29 Vorrichtung zur Erweiterung der Bandbreite von Sprachsignalen

Country Status (4)

Country Link
US (1) US7047186B2 (de)
EP (1) EP1202252B1 (de)
JP (1) JP3467469B2 (de)
DE (1) DE60120078T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100467326B1 (ko) * 2002-12-09 2005-01-24 학교법인연세대학교 추가 비트 할당 기법을 이용한 음성 부호화 및 복호화를위한 송수신기
JP4580622B2 (ja) * 2003-04-04 2010-11-17 株式会社東芝 広帯域音声符号化方法及び広帯域音声符号化装置
JP4047296B2 (ja) * 2004-03-12 2008-02-13 株式会社東芝 音声復号化方法及び音声復号化装置
WO2004090870A1 (ja) 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
KR100614496B1 (ko) 2003-11-13 2006-08-22 한국전자통신연구원 가변 비트율의 광대역 음성 및 오디오 부호화 장치 및방법
US7895035B2 (en) 2004-09-06 2011-02-22 Panasonic Corporation Scalable decoding apparatus and method for concealing lost spectral parameters
US7783480B2 (en) 2004-09-17 2010-08-24 Panasonic Corporation Audio encoding apparatus, audio decoding apparatus, communication apparatus and audio encoding method
EP2273494A3 (de) 2004-09-17 2012-11-14 Panasonic Corporation Skalierbare Kodierungsvorrichtung, skalierbare Dekodierungsvorrichtung
US20090319277A1 (en) * 2005-03-30 2009-12-24 Nokia Corporation Source Coding and/or Decoding
JP5002642B2 (ja) * 2009-11-09 2012-08-15 株式会社東芝 広帯域音声符号化方法及び広帯域音声符号化装置
SG11201505898XA (en) * 2013-01-29 2015-09-29 Fraunhofer Ges Forschung Concept for coding mode switching compensation

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330689A (en) * 1980-01-28 1982-05-18 The United States Of America As Represented By The Secretary Of The Navy Multirate digital voice communication processor
JPH0398318A (ja) * 1989-09-11 1991-04-23 Fujitsu Ltd 音声符号化方式
US5761190A (en) * 1995-02-20 1998-06-02 Pioneer Electronic Corporation OFDM broadcast wave receiver
US6067517A (en) * 1996-02-02 2000-05-23 International Business Machines Corporation Transcription of speech data with segments from acoustically dissimilar environments
US5778335A (en) * 1996-02-26 1998-07-07 The Regents Of The University Of California Method and apparatus for efficient multiband celp wideband speech and music coding and decoding
US5809472A (en) * 1996-04-03 1998-09-15 Command Audio Corporation Digital audio data transmission system based on the information content of an audio signal
JP3700890B2 (ja) * 1997-07-09 2005-09-28 ソニー株式会社 信号識別装置及び信号識別方法
JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
US6049537A (en) * 1997-09-05 2000-04-11 Motorola, Inc. Method and system for controlling speech encoding in a communication system
JP4308345B2 (ja) * 1998-08-21 2009-08-05 パナソニック株式会社 マルチモード音声符号化装置及び復号化装置
US6633841B1 (en) * 1999-07-29 2003-10-14 Mindspeed Technologies, Inc. Voice activity detection speech coding to accommodate music signals
WO2001035395A1 (en) * 1999-11-10 2001-05-17 Koninklijke Philips Electronics N.V. Wide band speech synthesis by means of a mapping matrix
US6732070B1 (en) * 2000-02-16 2004-05-04 Nokia Mobile Phones, Ltd. Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching
FI119576B (fi) * 2000-03-07 2008-12-31 Nokia Corp Puheenkäsittelylaite ja menetelmä puheen käsittelemiseksi, sekä digitaalinen radiopuhelin
US7072336B2 (en) * 2000-05-26 2006-07-04 Nortel Networks Limited Communications using adaptive multi-rate codecs
US6804340B2 (en) * 2001-05-03 2004-10-12 Raytheon Company Teleconferencing system
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals

Also Published As

Publication number Publication date
US20020052739A1 (en) 2002-05-02
JP2002140098A (ja) 2002-05-17
EP1202252B1 (de) 2006-05-31
EP1202252A2 (de) 2002-05-02
JP3467469B2 (ja) 2003-11-17
US7047186B2 (en) 2006-05-16
EP1202252A3 (de) 2003-09-10
DE60120078T2 (de) 2007-01-04

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