DE69923079D1 - Kodierung von stimmlosen sprachsegmenten mit niedriger datenrate - Google Patents

Kodierung von stimmlosen sprachsegmenten mit niedriger datenrate

Info

Publication number
DE69923079D1
DE69923079D1 DE69923079T DE69923079T DE69923079D1 DE 69923079 D1 DE69923079 D1 DE 69923079D1 DE 69923079 T DE69923079 T DE 69923079T DE 69923079 T DE69923079 T DE 69923079T DE 69923079 D1 DE69923079 D1 DE 69923079D1
Authority
DE
Germany
Prior art keywords
energy
coding
data rate
low data
coefficients
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
DE69923079T
Other languages
English (en)
Other versions
DE69923079T2 (de
Inventor
Amitava Das
Sharath Manjunath
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE69923079D1 publication Critical patent/DE69923079D1/de
Application granted granted Critical
Publication of DE69923079T2 publication Critical patent/DE69923079T2/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
    • 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
    • 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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—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 power information
DE69923079T 1998-11-13 1999-11-12 Kodierung von stimmlosen sprachsegmenten mit niedriger datenrate Expired - Lifetime DE69923079T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US191633 1980-09-29
US09/191,633 US6463407B2 (en) 1998-11-13 1998-11-13 Low bit-rate coding of unvoiced segments of speech
PCT/US1999/026851 WO2000030074A1 (en) 1998-11-13 1999-11-12 Low bit-rate coding of unvoiced segments of speech

Publications (2)

Publication Number Publication Date
DE69923079D1 true DE69923079D1 (de) 2005-02-10
DE69923079T2 DE69923079T2 (de) 2005-12-15

Family

ID=22706272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69923079T Expired - Lifetime DE69923079T2 (de) 1998-11-13 1999-11-12 Kodierung von stimmlosen sprachsegmenten mit niedriger datenrate

Country Status (11)

Country Link
US (3) US6463407B2 (de)
EP (1) EP1129450B1 (de)
JP (1) JP4489960B2 (de)
KR (1) KR100592627B1 (de)
CN (2) CN1815558B (de)
AT (1) ATE286617T1 (de)
AU (1) AU1620700A (de)
DE (1) DE69923079T2 (de)
ES (1) ES2238860T3 (de)
HK (1) HK1042370B (de)
WO (1) WO2000030074A1 (de)

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US6463407B2 (en) * 1998-11-13 2002-10-08 Qualcomm Inc. Low bit-rate coding of unvoiced segments of speech
US6937979B2 (en) * 2000-09-15 2005-08-30 Mindspeed Technologies, Inc. Coding based on spectral content of a speech signal
US6947888B1 (en) * 2000-10-17 2005-09-20 Qualcomm Incorporated Method and apparatus for high performance low bit-rate coding of unvoiced speech
KR20020075592A (ko) * 2001-03-26 2002-10-05 한국전자통신연구원 광대역 음성 부호화기용 ｌｓｆ 양자화기
KR20030009515A (ko) * 2001-04-05 2003-01-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 결정된 신호 타입들로 한정된 기술들을 사용하는 신호들의시간 스케일 변경
US7162415B2 (en) * 2001-11-06 2007-01-09 The Regents Of The University Of California Ultra-narrow bandwidth voice coding
US6917914B2 (en) * 2003-01-31 2005-07-12 Harris Corporation Voice over bandwidth constrained lines with mixed excitation linear prediction transcoding
KR100487719B1 (ko) * 2003-03-05 2005-05-04 한국전자통신연구원 광대역 음성 부호화를 위한 엘에스에프 계수 벡터 양자화기
US6987591B2 (en) * 2003-07-17 2006-01-17 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Canada Volume hologram
US20050091041A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for speech coding
US20050091044A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for pitch contour quantization in audio coding
US8219391B2 (en) * 2005-02-15 2012-07-10 Raytheon Bbn Technologies Corp. Speech analyzing system with speech codebook
US8032369B2 (en) * 2006-01-20 2011-10-04 Qualcomm Incorporated Arbitrary average data rates for variable rate coders
US8090573B2 (en) * 2006-01-20 2012-01-03 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with open loop re-decision
US8346544B2 (en) * 2006-01-20 2013-01-01 Qualcomm Incorporated Selection of encoding modes and/or encoding rates for speech compression with closed loop re-decision
JP5096474B2 (ja) * 2006-10-10 2012-12-12 クゥアルコム・インコーポレイテッド オーディオ信号を符号化及び復号化する方法及び装置
EP2538406B1 (de) * 2006-11-10 2015-03-11 Panasonic Intellectual Property Corporation of America Verfahren und Vorrichtung zum Dekodieren eines Parameters eines CELP-kodierten Sprachsignals
GB2466666B (en) * 2009-01-06 2013-01-23 Skype Speech coding
US20100285938A1 (en) * 2009-05-08 2010-11-11 Miguel Latronica Therapeutic body strap
US9570093B2 (en) * 2013-09-09 2017-02-14 Huawei Technologies Co., Ltd. Unvoiced/voiced decision for speech processing
KR101790463B1 (ko) 2014-02-27 2017-11-20 텔레폰악티에볼라겟엘엠에릭슨(펍) 오디오/비디오 샘플 벡터의 피라미드 벡터 양자화 인덱싱 및 디인덱싱을 위한 방법 및 장치
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10573331B2 (en) * 2018-05-01 2020-02-25 Qualcomm Incorporated Cooperative pyramid vector quantizers for scalable audio coding
US10734006B2 (en) 2018-06-01 2020-08-04 Qualcomm Incorporated Audio coding based on audio pattern recognition
CN113627499B (zh) * 2021-07-28 2024-04-02 中国科学技术大学 基于检查站柴油车尾气图像的烟度等级估算方法及设备

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US4731846A (en) * 1983-04-13 1988-03-15 Texas Instruments Incorporated Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
EP0163829B1 (de) * 1984-03-21 1989-08-23 Nippon Telegraph And Telephone Corporation Sprachsignaleverarbeitungssystem
IL95753A (en) * 1989-10-17 1994-11-11 Motorola Inc Digits a digital speech
JP2841765B2 (ja) * 1990-07-13 1998-12-24 日本電気株式会社 適応ビット割当て方法及び装置
US5226108A (en) * 1990-09-20 1993-07-06 Digital Voice Systems, Inc. Processing a speech signal with estimated pitch
DE69233794D1 (de) 1991-06-11 2010-09-23 Qualcomm Inc Vocoder mit veränderlicher Bitrate
US5255339A (en) * 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method
WO1993018505A1 (en) * 1992-03-02 1993-09-16 The Walt Disney Company Voice transformation system
US5734789A (en) * 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
US5381512A (en) * 1992-06-24 1995-01-10 Moscom Corporation Method and apparatus for speech feature recognition based on models of auditory signal processing
US5517595A (en) * 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
US5839102A (en) * 1994-11-30 1998-11-17 Lucent Technologies Inc. Speech coding parameter sequence reconstruction by sequence classification and interpolation
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
US6463407B2 (en) * 1998-11-13 2002-10-08 Qualcomm Inc. Low bit-rate coding of unvoiced segments of speech
US6754624B2 (en) * 2001-02-13 2004-06-22 Qualcomm, Inc. Codebook re-ordering to reduce undesired packet generation

Also Published As

Publication number Publication date
US6820052B2 (en) 2004-11-16
CN1241169C (zh) 2006-02-08
US20050043944A1 (en) 2005-02-24
US20020184007A1 (en) 2002-12-05
HK1042370B (zh) 2006-09-29
ATE286617T1 (de) 2005-01-15
ES2238860T3 (es) 2005-09-01
EP1129450A1 (de) 2001-09-05
WO2000030074A1 (en) 2000-05-25
KR20010080455A (ko) 2001-08-22
CN1815558B (zh) 2010-09-29
KR100592627B1 (ko) 2006-06-23
US7146310B2 (en) 2006-12-05
EP1129450B1 (de) 2005-01-05
AU1620700A (en) 2000-06-05
CN1342309A (zh) 2002-03-27
JP4489960B2 (ja) 2010-06-23
US20010049598A1 (en) 2001-12-06
HK1042370A1 (en) 2002-08-09
DE69923079T2 (de) 2005-12-15
US6463407B2 (en) 2002-10-08
CN1815558A (zh) 2006-08-09
JP2002530705A (ja) 2002-09-17

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