HK1047817A1 - Spectral magnitude quantization for a speech coder. - Google Patents

Spectral magnitude quantization for a speech coder.

Info

Publication number
HK1047817A1
HK1047817A1 HK02109402A HK02109402A HK1047817A1 HK 1047817 A1 HK1047817 A1 HK 1047817A1 HK 02109402 A HK02109402 A HK 02109402A HK 02109402 A HK02109402 A HK 02109402A HK 1047817 A1 HK1047817 A1 HK 1047817A1
Authority
HK
Hong Kong
Prior art keywords
vector
gain factors
speech coder
vectors
sub
Prior art date
Application number
HK02109402A
Other languages
English (en)
Inventor
Eddie Lun Tik Choy
Sharath Manjunath
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 HK1047817A1 publication Critical patent/HK1047817A1/xx

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)
  • Interface Circuits In Exchanges (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
HK02109402A 1999-07-19 2002-12-30 Spectral magnitude quantization for a speech coder. HK1047817A1 (en)

Applications Claiming Priority (2)

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
PCT/US2000/019602 WO2001006493A1 (en) 1999-07-19 2000-07-18 Spectral magnitude quantization for a speech coder

Publications (1)

Publication Number Publication Date
HK1047817A1 true HK1047817A1 (en) 2003-03-07

Family

ID=23402824

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02109402A HK1047817A1 (en) 1999-07-19 2002-12-30 Spectral magnitude quantization for a speech coder.

Country Status (13)

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

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US6493664B1 (en) * 1999-04-05 2002-12-10 Hughes Electronics Corporation Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system
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US7260523B2 (en) * 1999-12-21 2007-08-21 Texas Instruments Incorporated Sub-band speech coding system
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ATE553472T1 (de) * 2000-04-24 2012-04-15 Qualcomm Inc Prädikitve dequantisierung 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
ATE394774T1 (de) * 2004-05-19 2008-05-15 Matsushita Electric Ind Co Ltd Kodierungs-, dekodierungsvorrichtung und methode dafür
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
KR101019936B1 (ko) * 2005-12-02 2011-03-09 퀄컴 인코포레이티드 음성 파형의 정렬을 위한 시스템, 방법, 및 장치
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
CN101523486B (zh) * 2006-10-10 2013-08-14 高通股份有限公司 用于编码和解码音频信号的方法和设备
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
US20090319263A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
US20090319261A1 (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
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CN102483916B (zh) * 2009-08-28 2014-08-06 国际商业机器公司 声音特征量提取装置和声音特征量提取方法
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
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KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
US10320413B2 (en) * 2013-11-07 2019-06-11 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for vector segmentation for coding
US9628266B2 (en) * 2014-02-26 2017-04-18 Raytheon Bbn Technologies Corp. System and method for encoding encrypted data for further processing
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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
CY1106119T1 (el) 2011-06-08
BR0012542A (pt) 2002-11-26
EP1204969A1 (en) 2002-05-15
KR100898324B1 (ko) 2009-05-20
DE60027573T2 (de) 2007-04-26
ES2265958T3 (es) 2007-03-01
CN1158647C (zh) 2004-07-21
JP4659314B2 (ja) 2011-03-30
ATE324653T1 (de) 2006-05-15
CN1375096A (zh) 2002-10-16
EP1204969B1 (en) 2006-04-26
KR20020013965A (ko) 2002-02-21
KR20070087222A (ko) 2007-08-27
WO2001006493A1 (en) 2001-01-25
US6324505B1 (en) 2001-11-27
DE60027573D1 (de) 2006-06-01
KR100898323B1 (ko) 2009-05-20
JP2003505724A (ja) 2003-02-12
BRPI0012542B1 (pt) 2015-07-07
AU6353600A (en) 2001-02-05

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