BRPI1012323A2 - método e dispositivo para codificação de pulso, método e dispositivo para decodificação de pulso - Google Patents

método e dispositivo para codificação de pulso, método e dispositivo para decodificação de pulso

Info

Publication number
BRPI1012323A2
BRPI1012323A2 BRPI1012323A BRPI1012323A BRPI1012323A2 BR PI1012323 A2 BRPI1012323 A2 BR PI1012323A2 BR PI1012323 A BRPI1012323 A BR PI1012323A BR PI1012323 A BRPI1012323 A BR PI1012323A BR PI1012323 A2 BRPI1012323 A2 BR PI1012323A2
Authority
BR
Brazil
Prior art keywords
pulse
decoding method
coding method
pulse coding
pulse decoding
Prior art date
Application number
BRPI1012323A
Other languages
English (en)
Inventor
Dejun Zhang
Fuwei Ma
Minjie Xie
Qing Zhang
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BRPI1012323A2 publication Critical patent/BRPI1012323A2/pt
Publication of BRPI1012323B1 publication Critical patent/BRPI1012323B1/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/113Regular pulse excitation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/002Dynamic bit allocation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031Fixed length to variable length coding
    • H03M7/4037Prefix coding
    • H03M7/4043Adaptive prefix coding
    • H03M7/4068Parameterized codes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0016Codebook for LPC parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI1012323A 2009-06-19 2010-06-08 método e dispositivo para codificação de pulso, método e dispositivo para decodificação de pulso BRPI1012323B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009101506378A CN101931414B (zh) 2009-06-19 2009-06-19 脉冲编码方法及装置、脉冲解码方法及装置
PCT/CN2010/073651 WO2010145474A1 (zh) 2009-06-19 2010-06-08 脉冲编码方法及装置、脉冲解码方法及装置

Publications (2)

Publication Number Publication Date
BRPI1012323A2 true BRPI1012323A2 (pt) 2016-03-15
BRPI1012323B1 BRPI1012323B1 (pt) 2020-06-09

Family

ID=43355837

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1012323A BRPI1012323B1 (pt) 2009-06-19 2010-06-08 método e dispositivo para codificação de pulso, método e dispositivo para decodificação de pulso

Country Status (9)

Country Link
US (3) US8723700B2 (pt)
EP (1) EP2434649A4 (pt)
JP (1) JP5547282B2 (pt)
KR (4) KR101572138B1 (pt)
CN (1) CN101931414B (pt)
AU (1) AU2010262391B2 (pt)
BR (1) BRPI1012323B1 (pt)
SG (2) SG10201403355PA (pt)
WO (1) WO2010145474A1 (pt)

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EP2827327B1 (en) 2007-04-29 2020-07-29 Huawei Technologies Co., Ltd. Method for Excitation Pulse Coding
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CN102299760B (zh) 2010-06-24 2014-03-12 华为技术有限公司 脉冲编解码方法及脉冲编解码器
CN102623012B (zh) * 2011-01-26 2014-08-20 华为技术有限公司 矢量联合编解码方法及编解码器
US10707988B2 (en) * 2017-09-11 2020-07-07 Mediatek Singapore Pte. Ltd Transport block size determination in mobile communications

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Also Published As

Publication number Publication date
US20160329059A1 (en) 2016-11-10
CN101931414B (zh) 2013-04-24
JP2012530266A (ja) 2012-11-29
SG10201403355PA (en) 2014-10-30
AU2010262391A1 (en) 2012-01-19
KR20140102317A (ko) 2014-08-21
CN101931414A (zh) 2010-12-29
BRPI1012323B1 (pt) 2020-06-09
KR20130044361A (ko) 2013-05-02
KR101621331B1 (ko) 2016-05-16
US20120086586A1 (en) 2012-04-12
KR101290627B1 (ko) 2013-07-29
JP5547282B2 (ja) 2014-07-09
US9349381B2 (en) 2016-05-24
KR101472406B1 (ko) 2014-12-12
US20140229169A1 (en) 2014-08-14
AU2010262391B2 (en) 2014-09-04
US8723700B2 (en) 2014-05-13
KR20120032494A (ko) 2012-04-05
US10026412B2 (en) 2018-07-17
SG176878A1 (en) 2012-01-30
WO2010145474A1 (zh) 2010-12-23
KR101572138B1 (ko) 2015-11-26
EP2434649A1 (en) 2012-03-28
KR20140017705A (ko) 2014-02-11
EP2434649A4 (en) 2012-07-18

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

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