TR201902943T4 - Kodlama metodu, kodlayıcı, program ve kayıt ortamı. - Google Patents

Kodlama metodu, kodlayıcı, program ve kayıt ortamı. Download PDF

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Publication number
TR201902943T4
TR201902943T4 TR2019/02943T TR201902943T TR201902943T4 TR 201902943 T4 TR201902943 T4 TR 201902943T4 TR 2019/02943 T TR2019/02943 T TR 2019/02943T TR 201902943 T TR201902943 T TR 201902943T TR 201902943 T4 TR201902943 T4 TR 201902943T4
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TR
Turkey
Prior art keywords
encoder
signal code
integer signal
coding method
program
Prior art date
Application number
TR2019/02943T
Other languages
English (en)
Inventor
Moriya Takehiro
Kamamoto Yutaka
Harada Noboru
Original Assignee
Nippon Telegraph & Telephone
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 Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of TR201902943T4 publication Critical patent/TR201902943T4/tr

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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
    • G10L19/035—Scalar quantisation
    • 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
    • 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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • 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
    • G10L19/002—Dynamic bit allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

Bir tamsayı sinyal kodunun periyodikliğe dayalı bir kodlama metodu kullanılarak elde edildiği bir metot ile bir tamsayı sinyal kodunun bir frekans alanındaki bir örnek dizisinin bir periyodiklik derecesini belirten bir indeks kullanılarak periyodikliğe dayalı olmayan bir kodlama metodu kullanılarak elde edildiği bir metot arasında, bir birinci kodlayıcının işlenmesi yalnızca, tamsayı sinyal kodunun bit sayısının azaltılmasının beklendiği bir metotta yürütülür ve tamsayı sinyal kodunun bit sayısının azaltılmasının beklendiği metotta birinci kodlayıcının işlenmesi vasıtasıyla elde edilen bir kazanç, tamsayı sinyal kodunun bit sayısının azaltılmasının beklenmediği bir metotta kullanılır.
TR2019/02943T 2012-10-01 2013-09-30 Kodlama metodu, kodlayıcı, program ve kayıt ortamı. TR201902943T4 (tr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012219153 2012-10-01

Publications (1)

Publication Number Publication Date
TR201902943T4 true TR201902943T4 (tr) 2019-03-21

Family

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Application Number Title Priority Date Filing Date
TR2019/02943T TR201902943T4 (tr) 2012-10-01 2013-09-30 Kodlama metodu, kodlayıcı, program ve kayıt ortamı.

Country Status (9)

Country Link
US (1) US9524725B2 (tr)
EP (3) EP3525208B1 (tr)
JP (1) JP5893153B2 (tr)
KR (1) KR101700855B1 (tr)
CN (4) CN107316646B (tr)
ES (3) ES2890706T3 (tr)
PL (2) PL3252762T3 (tr)
TR (1) TR201902943T4 (tr)
WO (1) WO2014054556A1 (tr)

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ES2843300T3 (es) * 2014-05-01 2021-07-16 Nippon Telegraph & Telephone Codificación de una señal de sonido
ES2883848T3 (es) 2014-05-01 2021-12-09 Nippon Telegraph & Telephone Codificador, descodificador, método de codificación, método de descodificación, programa de codificación, programa de descodificación y soporte de registro
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Also Published As

Publication number Publication date
ES2720253T3 (es) 2019-07-19
CN104704559B (zh) 2017-09-15
CN107516530A (zh) 2017-12-26
EP3525208A1 (en) 2019-08-14
EP3252762B1 (en) 2019-01-30
PL3525208T3 (pl) 2021-12-13
EP2887349A4 (en) 2016-04-27
JPWO2014054556A1 (ja) 2016-08-25
CN107359880A (zh) 2017-11-17
US20150187366A1 (en) 2015-07-02
CN107316646A (zh) 2017-11-03
CN107316646B (zh) 2020-11-10
US9524725B2 (en) 2016-12-20
WO2014054556A1 (ja) 2014-04-10
EP2887349B1 (en) 2017-11-15
ES2890706T3 (es) 2022-01-21
ES2657039T3 (es) 2018-03-01
CN104704559A (zh) 2015-06-10
CN107359880B (zh) 2020-08-25
KR20150041090A (ko) 2015-04-15
EP2887349A1 (en) 2015-06-24
PL3252762T3 (pl) 2019-07-31
KR101700855B1 (ko) 2017-01-31
EP3252762A1 (en) 2017-12-06
CN107516530B (zh) 2020-08-25
JP5893153B2 (ja) 2016-03-23
EP3525208B1 (en) 2021-07-28

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