JP2001500285A - 改良した音声符号器を備えた送信機及び復号器 - Google Patents

改良した音声符号器を備えた送信機及び復号器

Info

Publication number
JP2001500285A
JP2001500285A JP11508356A JP50835699A JP2001500285A JP 2001500285 A JP2001500285 A JP 2001500285A JP 11508356 A JP11508356 A JP 11508356A JP 50835699 A JP50835699 A JP 50835699A JP 2001500285 A JP2001500285 A JP 2001500285A
Authority
JP
Japan
Prior art keywords
speech
analysis
signal
voiced
unvoiced
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.)
Ceased
Application number
JP11508356A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001500285A5 (https=
Inventor
ラケシュ タオリ
ロバート ヨハネス スルイター
アンドレアス ヨハネス ゲリッツ
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 JP2001500285A publication Critical patent/JP2001500285A/ja
Publication of JP2001500285A5 publication Critical patent/JP2001500285A5/ja
Ceased 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
JP11508356A 1997-07-11 1998-06-11 改良した音声符号器を備えた送信機及び復号器 Ceased JP2001500285A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97202166.1 1997-07-11
EP97202166 1997-07-11
PCT/IB1998/000923 WO1999003097A2 (en) 1997-07-11 1998-06-11 Transmitter with an improved speech encoder and decoder

Publications (2)

Publication Number Publication Date
JP2001500285A true JP2001500285A (ja) 2001-01-09
JP2001500285A5 JP2001500285A5 (https=) 2006-01-05

Family

ID=8228544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11508356A Ceased JP2001500285A (ja) 1997-07-11 1998-06-11 改良した音声符号器を備えた送信機及び復号器

Country Status (7)

Country Link
US (1) US6128591A (https=)
EP (1) EP0925580B1 (https=)
JP (1) JP2001500285A (https=)
KR (1) KR100568889B1 (https=)
CN (1) CN1145925C (https=)
DE (1) DE69819460T2 (https=)
WO (1) WO1999003097A2 (https=)

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ATE420432T1 (de) * 2000-04-24 2009-01-15 Qualcomm Inc Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen
DE60230856D1 (de) * 2001-07-13 2009-03-05 Panasonic Corp Audiosignaldecodierungseinrichtung und audiosignalcodierungseinrichtung
US6958196B2 (en) * 2003-02-21 2005-10-25 Trustees Of The University Of Pennsylvania Porous electrode, solid oxide fuel cell, and method of producing the same
RU2414009C2 (ru) * 2006-01-18 2011-03-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Устройство и способ для кодирования и декодирования сигнала
KR20080101872A (ko) * 2006-01-18 2008-11-21 연세대학교 산학협력단 부호화/복호화 장치 및 방법
CN101371295B (zh) * 2006-01-18 2011-12-21 Lg电子株式会社 用于编码和解码信号的设备和方法
JPWO2008007616A1 (ja) * 2006-07-13 2009-12-10 日本電気株式会社 無音声発声の入力警告装置と方法並びにプログラム
RU2426179C2 (ru) * 2006-10-10 2011-08-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования и декодирования аудиосигналов
CN101261836B (zh) * 2008-04-25 2011-03-30 清华大学 基于过渡帧判决及处理的激励信号自然度提高方法
US8670990B2 (en) * 2009-08-03 2014-03-11 Broadcom Corporation Dynamic time scale modification for reduced bit rate audio coding
EP2638541A1 (en) * 2010-11-10 2013-09-18 Koninklijke Philips Electronics N.V. Method and device for estimating a pattern in a signal
GB2495918B (en) * 2011-10-24 2015-11-04 Malcolm Law Lossless buried data
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
US9542358B1 (en) * 2013-08-16 2017-01-10 Keysight Technologies, Inc. Overlapped fast fourier transform based measurements using flat-in-time windowing
CN108461088B (zh) * 2018-03-21 2019-11-19 山东省计算中心（国家超级计算济南中心） 基于支持向量机在语音解码端重构子带清浊音度参数的方法

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US4797926A (en) * 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
US4771465A (en) * 1986-09-11 1988-09-13 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech sinusoidal vocoder with transmission of only subset of harmonics
US4910781A (en) * 1987-06-26 1990-03-20 At&T Bell Laboratories Code excited linear predictive vocoder using virtual searching
JP2707564B2 (ja) * 1987-12-14 1998-01-28 株式会社日立製作所 音声符号化方式
IT1229725B (it) * 1989-05-15 1991-09-07 Face Standard Ind Metodo e disposizione strutturale per la differenziazione tra elementi sonori e sordi del parlato
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
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
US5734789A (en) * 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
KR100329876B1 (ko) * 1994-03-11 2002-08-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 의사주기신호용전송시스템
JPH08123494A (ja) * 1994-10-28 1996-05-17 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
JP2861889B2 (ja) * 1995-10-18 1999-02-24 日本電気株式会社 音声パケット伝送システム
JP3680380B2 (ja) * 1995-10-26 2005-08-10 ソニー株式会社 音声符号化方法及び装置
JP4005154B2 (ja) * 1995-10-26 2007-11-07 ソニー株式会社 音声復号化方法及び装置
US5696873A (en) * 1996-03-18 1997-12-09 Advanced Micro Devices, Inc. Vocoder system and method for performing pitch estimation using an adaptive correlation sample window
US5774836A (en) * 1996-04-01 1998-06-30 Advanced Micro Devices, Inc. System and method for performing pitch estimation and error checking on low estimated pitch values in a correlation based pitch estimator

Also Published As

Publication number Publication date
EP0925580B1 (en) 2003-11-05
EP0925580A2 (en) 1999-06-30
CN1234898A (zh) 1999-11-10
CN1145925C (zh) 2004-04-14
DE69819460D1 (de) 2003-12-11
KR100568889B1 (ko) 2006-04-10
US6128591A (en) 2000-10-03
WO1999003097A2 (en) 1999-01-21
DE69819460T2 (de) 2004-08-26
KR20010029498A (ko) 2001-04-06
WO1999003097A3 (en) 1999-04-01

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