DE60027573D1 - Quantisierung der spektralen amplitude in einem sprachkodierer - Google Patents

Quantisierung der spektralen amplitude in einem sprachkodierer

Info

Publication number
DE60027573D1
DE60027573D1 DE60027573T DE60027573T DE60027573D1 DE 60027573 D1 DE60027573 D1 DE 60027573D1 DE 60027573 T DE60027573 T DE 60027573T DE 60027573 T DE60027573 T DE 60027573T DE 60027573 D1 DE60027573 D1 DE 60027573D1
Authority
DE
Germany
Prior art keywords
vector
gain factors
codier
quantizing
language
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
DE60027573T
Other languages
English (en)
Other versions
DE60027573T2 (de
Inventor
Lun Choy
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
Application granted granted Critical
Publication of DE60027573D1 publication Critical patent/DE60027573D1/de
Publication of DE60027573T2 publication Critical patent/DE60027573T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—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 spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Interface Circuits In Exchanges (AREA)
DE60027573T 1999-07-19 2000-07-18 Quantisierung der spektralen amplitude in einem sprachkodierer Expired - Lifetime DE60027573T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/356,756 US6324505B1 (en) 1999-07-19 1999-07-19 Amplitude quantization scheme for low-bit-rate speech coders
US356756 1999-07-19
PCT/US2000/019602 WO2001006493A1 (en) 1999-07-19 2000-07-18 Spectral magnitude quantization for a speech coder

Publications (2)

Publication Number Publication Date
DE60027573D1 true DE60027573D1 (de) 2006-06-01
DE60027573T2 DE60027573T2 (de) 2007-04-26

Family

ID=23402824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60027573T Expired - Lifetime DE60027573T2 (de) 1999-07-19 2000-07-18 Quantisierung der spektralen amplitude in einem sprachkodierer

Country Status (13)

Country Link
US (1) US6324505B1 (de)
EP (1) EP1204969B1 (de)
JP (1) JP4659314B2 (de)
KR (2) KR100898324B1 (de)
CN (1) CN1158647C (de)
AT (1) ATE324653T1 (de)
AU (1) AU6353600A (de)
BR (1) BRPI0012542B1 (de)
CY (1) CY1106119T1 (de)
DE (1) DE60027573T2 (de)
ES (1) ES2265958T3 (de)
HK (1) HK1047817A1 (de)
WO (1) WO2001006493A1 (de)

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KR100434538B1 (ko) * 1999-11-17 2004-06-05 삼성전자주식회사 음성의 천이 구간 검출 장치, 그 방법 및 천이 구간의음성 합성 방법
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GB0005515D0 (en) * 2000-03-08 2000-04-26 Univ Glasgow Improved vector quantization of images
EP1796083B1 (de) * 2000-04-24 2009-01-07 Qualcomm Incorporated Verfahren und Vorrichtung zur prädiktiven Quantisierung von stimmhaften Sprachsignalen
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
US7606703B2 (en) * 2000-11-15 2009-10-20 Texas Instruments Incorporated Layered celp system and method with varying perceptual filter or short-term postfilter strengths
US7013269B1 (en) * 2001-02-13 2006-03-14 Hughes Electronics Corporation Voicing measure for a speech CODEC system
US6996523B1 (en) * 2001-02-13 2006-02-07 Hughes Electronics Corporation Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system
US6931373B1 (en) * 2001-02-13 2005-08-16 Hughes Electronics Corporation Prototype waveform phase modeling for a frequency domain interpolative speech codec system
WO2002097796A1 (en) * 2001-05-28 2002-12-05 Intel Corporation Providing shorter uniform frame lengths in dynamic time warping for voice conversion
KR100841096B1 (ko) * 2002-10-14 2008-06-25 리얼네트웍스아시아퍼시픽 주식회사 음성 코덱에 대한 디지털 오디오 신호의 전처리 방법
US7272557B2 (en) * 2003-05-01 2007-09-18 Microsoft Corporation Method and apparatus for quantizing model parameters
BRPI0510400A (pt) * 2004-05-19 2007-10-23 Matsushita Electric Ind Co Ltd dispositivo de codificação, dispositivo de decodificação e método dos mesmos
ATE417546T1 (de) * 2004-11-08 2009-01-15 Philips Intellectual Property Sichere identifizierung und zuordnung drahtloser sensoren
KR100851970B1 (ko) * 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
JP4988757B2 (ja) * 2005-12-02 2012-08-01 クゥアルコム・インコーポレイテッド 周波数ドメイン波形アラインメントのためのシステム、方法、および装置
KR101244310B1 (ko) * 2006-06-21 2013-03-18 삼성전자주식회사 광대역 부호화 및 복호화 방법 및 장치
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
EP2092517B1 (de) * 2006-10-10 2012-07-18 QUALCOMM Incorporated Verfahren und vorrichtung zur kodierung und dekodierung von audiosignalen
CN101483495B (zh) * 2008-03-20 2012-02-15 华为技术有限公司 一种背景噪声生成方法以及噪声处理装置
US20090319261A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
US20090319263A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
US8768690B2 (en) * 2008-06-20 2014-07-01 Qualcomm Incorporated Coding scheme selection for low-bit-rate applications
CN101630509B (zh) * 2008-07-14 2012-04-18 华为技术有限公司 一种编解码方法、装置及系统
KR101301245B1 (ko) * 2008-12-22 2013-09-10 한국전자통신연구원 스펙트럼 계수의 서브대역 할당 방법 및 장치
WO2011024572A1 (ja) * 2009-08-28 2011-03-03 インターナショナル・ビジネス・マシーンズ・コーポレーション 音声特徴量抽出装置、音声特徴量抽出方法、及び音声特徴量抽出プログラム
CN102598123B (zh) * 2009-10-23 2015-07-22 松下电器（美国）知识产权公司 编码装置、解码装置及其方法
US8990094B2 (en) * 2010-09-13 2015-03-24 Qualcomm Incorporated Coding and decoding a transient frame
US10204638B2 (en) 2013-03-12 2019-02-12 Aaware, Inc. Integrated sensor-array processor
US10049685B2 (en) 2013-03-12 2018-08-14 Aaware, Inc. Integrated sensor-array processor
US9443529B2 (en) 2013-03-12 2016-09-13 Aawtend, Inc. Integrated sensor-array processor
KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
ES2784620T3 (es) * 2013-11-07 2020-09-29 Ericsson Telefon Ab L M Métodos y dispositivos para la segmentación de vectores para codificación
US9628266B2 (en) * 2014-02-26 2017-04-18 Raytheon Bbn Technologies Corp. System and method for encoding encrypted data for further processing
JP6724932B2 (ja) * 2018-01-11 2020-07-15 ヤマハ株式会社 音声合成方法、音声合成システムおよびプログラム

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JPH0815261B2 (ja) * 1991-06-06 1996-02-14 松下電器産業株式会社 適応変換ベクトル量子化符号化法
ATE477571T1 (de) * 1991-06-11 2010-08-15 Qualcomm Inc Vocoder mit veränderlicher bitrate
JP3237178B2 (ja) * 1992-03-18 2001-12-10 ソニー株式会社 符号化方法及び復号化方法
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US5581653A (en) 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
US5517595A (en) 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
TW295747B (de) * 1994-06-13 1997-01-11 Sony Co Ltd
JP3353266B2 (ja) * 1996-02-22 2002-12-03 日本電信電話株式会社 音響信号変換符号化方法

Also Published As

Publication number Publication date
US6324505B1 (en) 2001-11-27
EP1204969A1 (de) 2002-05-15
WO2001006493A1 (en) 2001-01-25
CN1158647C (zh) 2004-07-21
CN1375096A (zh) 2002-10-16
EP1204969B1 (de) 2006-04-26
BRPI0012542B1 (pt) 2015-07-07
HK1047817A1 (en) 2003-03-07
KR20020013965A (ko) 2002-02-21
KR100898323B1 (ko) 2009-05-20
DE60027573T2 (de) 2007-04-26
CY1106119T1 (el) 2011-06-08
ATE324653T1 (de) 2006-05-15
AU6353600A (en) 2001-02-05
KR100898324B1 (ko) 2009-05-20
JP2003505724A (ja) 2003-02-12
JP4659314B2 (ja) 2011-03-30
BR0012542A (pt) 2002-11-26
ES2265958T3 (es) 2007-03-01
KR20070087222A (ko) 2007-08-27

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