CY1114649T1 - Μεθοδος κωδικοποιησης σηματων ηχου, μεθοδος αποκωδικοποιησης σηματων ηχου, διαταξη κωδικοποιησης, διαταξη αποκωδικοποιησης, συστημα επεξεργασιας σηματων ηχου, προγραμμα κωδικοποιησης σηματων ηχου και προγραμμα αποκωδικοποιησης σηματων ηχου - Google Patents

Μεθοδος κωδικοποιησης σηματων ηχου, μεθοδος αποκωδικοποιησης σηματων ηχου, διαταξη κωδικοποιησης, διαταξη αποκωδικοποιησης, συστημα επεξεργασιας σηματων ηχου, προγραμμα κωδικοποιησης σηματων ηχου και προγραμμα αποκωδικοποιησης σηματων ηχου

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Publication number
CY1114649T1
CY1114649T1 CY20131101062T CY131101062T CY1114649T1 CY 1114649 T1 CY1114649 T1 CY 1114649T1 CY 20131101062 T CY20131101062 T CY 20131101062T CY 131101062 T CY131101062 T CY 131101062T CY 1114649 T1 CY1114649 T1 CY 1114649T1
Authority
CY
Cyprus
Prior art keywords
coding
apokodikopoiisis
beeps
program
order
Prior art date
Application number
CY20131101062T
Other languages
Greek (el)
English (en)
Inventor
Kosuke Tsujino
Kei Kikuiri
Nobuhiko Naka
Original Assignee
Ntt Docomo, 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 Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Publication of CY1114649T1 publication Critical patent/CY1114649T1/el

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    • 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
    • G10L19/26Pre-filtering or post-filtering
    • 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/22Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CY20131101062T 2009-03-06 2013-11-27 Μεθοδος κωδικοποιησης σηματων ηχου, μεθοδος αποκωδικοποιησης σηματων ηχου, διαταξη κωδικοποιησης, διαταξη αποκωδικοποιησης, συστημα επεξεργασιας σηματων ηχου, προγραμμα κωδικοποιησης σηματων ηχου και προγραμμα αποκωδικοποιησης σηματων ηχου CY1114649T1 (el)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009053693A JP4977157B2 (ja) 2009-03-06 2009-03-06 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
EP10748784.5A EP2405426B1 (en) 2009-03-06 2010-03-03 Audio signal encoding method, audio signal decoding method, encoding device, decoding device, audio signal processing system, audio signal encoding program, and audio signal decoding program

Publications (1)

Publication Number Publication Date
CY1114649T1 true CY1114649T1 (el) 2016-12-14

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US (3) US8751245B2 (enExample)
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JP (1) JP4977157B2 (enExample)
KR (3) KR101175553B1 (enExample)
CN (3) CN102737642B (enExample)
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MX (1) MX2011009333A (enExample)
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Publication number Publication date
PT2405426E (pt) 2013-10-17
US20110320212A1 (en) 2011-12-29
EP2405426B1 (en) 2013-08-28
CA2754404C (en) 2016-04-26
CN102737641B (zh) 2014-07-02
DK2405426T3 (da) 2013-11-11
KR101175553B1 (ko) 2012-08-23
TW201246191A (en) 2012-11-16
US8751245B2 (en) 2014-06-10
CN102737642A (zh) 2012-10-17
SI2405426T1 (sl) 2013-12-31
TWI390504B (zh) 2013-03-21
TWI385649B (zh) 2013-02-11
CN102341851A (zh) 2012-02-01
BR122013014741A2 (pt) 2016-05-24
BR122013014741B1 (pt) 2020-10-27
SMT201400025B (it) 2014-05-07
WO2010101190A1 (ja) 2010-09-10
HRP20131056T1 (hr) 2013-12-06
BR122013014739B1 (pt) 2020-10-13
JP2010210680A (ja) 2010-09-24
CN102737641A (zh) 2012-10-17
AU2010219643B2 (en) 2012-10-25
AU2010219643C1 (en) 2013-03-14
US20130185075A1 (en) 2013-07-18
KR101256542B1 (ko) 2013-04-19
EP2511907A1 (en) 2012-10-17
RU2493619C1 (ru) 2013-09-20
PL2405426T3 (pl) 2014-01-31
KR20120084338A (ko) 2012-07-27
KR20120084339A (ko) 2012-07-27
ES2434125T3 (es) 2013-12-13
TWI385648B (zh) 2013-02-11
PH12012501446B1 (en) 2015-07-20
BRPI1016262B1 (pt) 2020-11-10
PH12012501447A1 (en) 2014-08-27
SG174241A1 (en) 2011-10-28
MX2011009333A (es) 2011-09-29
EP2405426A1 (en) 2012-01-11
JP4977157B2 (ja) 2012-07-18
EP2511906A1 (en) 2012-10-17
KR101175555B1 (ko) 2012-08-21
BRPI1016262A2 (pt) 2016-05-03
US20130185085A1 (en) 2013-07-18
CN102341851B (zh) 2013-09-04
TW201246192A (en) 2012-11-16
AU2010219643A1 (en) 2011-10-06
TW201126513A (en) 2011-08-01
RU2482554C1 (ru) 2013-05-20
CA2754404A1 (en) 2010-09-10
RU2493620C1 (ru) 2013-09-20
CN102737642B (zh) 2014-07-30
US8666754B2 (en) 2014-03-04
US9214161B2 (en) 2015-12-15
KR20110124279A (ko) 2011-11-16
PH12012501447B1 (en) 2014-08-27
EP2405426A4 (en) 2012-10-17
PH12012501446A1 (en) 2015-07-20
BR122013014739A2 (pt) 2016-05-24
RU2011140533A (ru) 2013-05-10

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