PL2830057T3 - Kodowanie sygnału audio - Google Patents

Kodowanie sygnału audio

Info

Publication number
PL2830057T3
PL2830057T3 PL13793620T PL13793620T PL2830057T3 PL 2830057 T3 PL2830057 T3 PL 2830057T3 PL 13793620 T PL13793620 T PL 13793620T PL 13793620 T PL13793620 T PL 13793620T PL 2830057 T3 PL2830057 T3 PL 2830057T3
Authority
PL
Poland
Prior art keywords
encoding
audio signal
audio
signal
Prior art date
Application number
PL13793620T
Other languages
English (en)
Inventor
Takehiro Moriya
Yutaka Kamamoto
Noboru Harada
Yusuke Hiwasaki
Masahiro Fukui
Original Assignee
Nippon Telegraph And Telephone Corporation
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 And Telephone Corporation filed Critical Nippon Telegraph And Telephone Corporation
Publication of PL2830057T3 publication Critical patent/PL2830057T3/pl

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
    • 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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L25/90—Pitch determination of speech signals
    • G10L2025/903—Pitch determination of speech signals using a laryngograph
    • 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
    • G10L25/90—Pitch determination of speech signals
    • G10L2025/906—Pitch tracking
    • 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
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL13793620T 2012-05-23 2013-05-22 Kodowanie sygnału audio PL2830057T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012117172 2012-05-23
JP2012171155 2012-08-01
EP13793620.9A EP2830057B1 (en) 2012-05-23 2013-05-22 Encoding of an audio signal
PCT/JP2013/064209 WO2013176177A1 (ja) 2012-05-23 2013-05-22 符号化方法、復号方法、符号化装置、復号装置、プログラム、および記録媒体

Publications (1)

Publication Number Publication Date
PL2830057T3 true PL2830057T3 (pl) 2019-01-31

Family

ID=49623862

Family Applications (2)

Application Number Title Priority Date Filing Date
PL18173806T PL3385950T3 (pl) 2012-05-23 2013-05-22 Sposoby dekodowania audio, dekodery audio oraz odpowiedni program i nośnik rejestrujący
PL13793620T PL2830057T3 (pl) 2012-05-23 2013-05-22 Kodowanie sygnału audio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL18173806T PL3385950T3 (pl) 2012-05-23 2013-05-22 Sposoby dekodowania audio, dekodery audio oraz odpowiedni program i nośnik rejestrujący

Country Status (8)

Country Link
US (3) US9947331B2 (pl)
EP (3) EP2830057B1 (pl)
JP (1) JP6053196B2 (pl)
KR (4) KR101762204B1 (pl)
CN (3) CN109147827B (pl)
ES (3) ES2689072T3 (pl)
PL (2) PL3385950T3 (pl)
WO (1) WO2013176177A1 (pl)

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JP6387117B2 (ja) * 2015-01-30 2018-09-05 日本電信電話株式会社 符号化装置、復号装置、これらの方法、プログラム及び記録媒体
JP6499206B2 (ja) * 2015-01-30 2019-04-10 日本電信電話株式会社 パラメータ決定装置、方法、プログラム及び記録媒体
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
WO2016167215A1 (ja) * 2015-04-13 2016-10-20 日本電信電話株式会社 線形予測符号化装置、線形予測復号装置、これらの方法、プログラム及び記録媒体
CN106373594B (zh) * 2016-08-31 2019-11-26 华为技术有限公司 一种音调检测方法及装置
KR102569784B1 (ko) * 2016-09-09 2023-08-22 디티에스, 인코포레이티드 오디오 코덱의 장기 예측을 위한 시스템 및 방법
EP3514791B1 (en) * 2016-09-15 2021-07-28 Nippon Telegraph and Telephone Corporation Sample sequence converter, sample sequence converting method and program
EP3742441B1 (en) * 2018-01-17 2023-04-12 Nippon Telegraph And Telephone Corporation Encoding device, decoding device, fricative determination device, and method and program thereof
CN110728990B (zh) * 2019-09-24 2022-04-05 维沃移动通信有限公司 基音检测方法、装置、终端设备和介质
US11769071B2 (en) * 2020-11-30 2023-09-26 IonQ, Inc. System and method for error correction in quantum computing
EP4305619A2 (en) * 2021-03-09 2024-01-17 DeepMind Technologies Limited Generating output signals using variable-rate discrete representations
US12579308B1 (en) * 2025-06-09 2026-03-17 Capital One Services, Llc Tokenization with format preservation

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KR101762204B1 (ko) * 2012-05-23 2017-07-27 니폰 덴신 덴와 가부시끼가이샤 부호화 방법, 복호 방법, 부호화 장치, 복호 장치, 프로그램 및 기록 매체
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Also Published As

Publication number Publication date
KR20160087394A (ko) 2016-07-21
CN104321814A (zh) 2015-01-28
JP6053196B2 (ja) 2016-12-27
EP3385950B1 (en) 2019-09-25
KR20160100411A (ko) 2016-08-23
US10096327B2 (en) 2018-10-09
CN108962270A (zh) 2018-12-07
KR101750071B1 (ko) 2017-06-23
ES2834391T3 (es) 2021-06-17
CN108962270B (zh) 2023-03-17
KR20140143438A (ko) 2014-12-16
WO2013176177A1 (ja) 2013-11-28
EP3576089B1 (en) 2020-10-14
EP3385950A1 (en) 2018-10-10
ES2689072T3 (es) 2018-11-08
US10083703B2 (en) 2018-09-25
US20180182405A1 (en) 2018-06-28
US20180182406A1 (en) 2018-06-28
EP2830057B1 (en) 2018-07-11
KR101762204B1 (ko) 2017-07-27
KR20170073732A (ko) 2017-06-28
CN104321814B (zh) 2018-10-09
ES2762160T3 (es) 2020-05-22
CN109147827A (zh) 2019-01-04
PL3385950T3 (pl) 2020-02-28
EP2830057A4 (en) 2016-01-13
KR101663607B1 (ko) 2016-10-07
US9947331B2 (en) 2018-04-17
JPWO2013176177A1 (ja) 2016-01-14
EP3576089A1 (en) 2019-12-04
US20150046172A1 (en) 2015-02-12
EP2830057A1 (en) 2015-01-28
CN109147827B (zh) 2023-02-17

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