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

Family Applications After (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) EP3576089B1 (pl)
JP (1) JP6053196B2 (pl)
KR (4) KR101663607B1 (pl)
CN (3) CN109147827B (pl)
ES (3) ES2834391T3 (pl)
PL (2) PL2830057T3 (pl)
WO (1) WO2013176177A1 (pl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3576089B1 (en) * 2012-05-23 2020-10-14 Nippon Telegraph And Telephone Corporation Encoding of an audio signal
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
KR102070145B1 (ko) * 2015-01-30 2020-01-28 니폰 덴신 덴와 가부시끼가이샤 파라미터 결정 장치, 방법, 프로그램 및 기록 매체
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
EP3510595B1 (en) * 2016-09-09 2025-08-27 DTS, Inc. System and method for long-term prediction in audio codecs
US11468905B2 (en) * 2016-09-15 2022-10-11 Nippon Telegraph And Telephone Corporation Sample sequence converter, signal encoding apparatus, signal decoding apparatus, sample sequence converting method, signal encoding method, signal decoding 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
WO2022189493A2 (en) * 2021-03-09 2022-09-15 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

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797926A (en) 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
US5003604A (en) * 1988-03-14 1991-03-26 Fujitsu Limited Voice coding apparatus
US5127053A (en) * 1990-12-24 1992-06-30 General Electric Company Low-complexity method for improving the performance of autocorrelation-based pitch detectors
JP3362471B2 (ja) * 1993-07-27 2003-01-07 ソニー株式会社 音声信号の符号化方法及び復号化方法
DE69534561T2 (de) * 1994-08-22 2006-07-27 Sony Corp. Sender-empfänger
TW321810B (pl) * 1995-10-26 1997-12-01 Sony Co Ltd
WO1999059139A2 (en) * 1998-05-11 1999-11-18 Koninklijke Philips Electronics N.V. Speech coding based on determining a noise contribution from a phase change
GB9811019D0 (en) * 1998-05-21 1998-07-22 Univ Surrey Speech coders
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
JP4550176B2 (ja) * 1998-10-08 2010-09-22 株式会社東芝 音声符号化方法
JP2000267700A (ja) * 1999-03-17 2000-09-29 Yrp Kokino Idotai Tsushin Kenkyusho:Kk 音声符号化復号方法および装置
WO2001020595A1 (fr) * 1999-09-14 2001-03-22 Fujitsu Limited Codeur/decodeur vocal
JP3404350B2 (ja) * 2000-03-06 2003-05-06 パナソニック モバイルコミュニケーションズ株式会社 音声符号化パラメータ取得方法、音声復号方法及び装置
CA2388352A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for frequency-selective pitch enhancement of synthesized speed
JP3731575B2 (ja) * 2002-10-21 2006-01-05 ソニー株式会社 符号化装置及び復号装置
EP1619664B1 (en) * 2003-04-30 2012-01-25 Panasonic Corporation Speech coding apparatus, speech decoding apparatus and methods thereof
KR20070083856A (ko) 2004-10-28 2007-08-24 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치, 스케일러블 복호화 장치 및이러한 방법
JP4469374B2 (ja) * 2005-01-12 2010-05-26 日本電信電話株式会社 長期予測符号化方法、長期予測復号化方法、これら装置、そのプログラム及び記録媒体
UA93677C2 (ru) * 2005-04-01 2011-03-10 Квелкомм Инкорпорейтед Способы и устройства кодирования и декодирования части речевого сигнала диапазона высоких частот
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
JP4964114B2 (ja) 2007-12-25 2012-06-27 日本電信電話株式会社 符号化装置、復号化装置、符号化方法、復号化方法、符号化プログラム、復号化プログラム、および記録媒体
CN102449689B (zh) * 2009-06-03 2014-08-06 日本电信电话株式会社 编码方法、编码装置、编码程序、以及它们的记录介质
JP5612698B2 (ja) * 2010-10-05 2014-10-22 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置、プログラム、記録媒体
EP3576089B1 (en) * 2012-05-23 2020-10-14 Nippon Telegraph And Telephone Corporation Encoding of an audio signal
US9589570B2 (en) * 2012-09-18 2017-03-07 Huawei Technologies Co., Ltd. Audio classification based on perceptual quality for low or medium bit rates

Also Published As

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

Similar Documents

Publication Publication Date Title
PL2717264T3 (pl) Bazujące na pod-paśmie kodowanie obwiedni sygnału audio
EP2867887A4 (en) AUDIO SIGNAL ANALYSIS
GB2515691B (en) Orientation of an ultrasonic signal
ZA201500888B (en) Encoding and decoding of audio signals
EP2839460A4 (en) STEREOTONSIGNALCODIERER
GB201310861D0 (en) Audio signal analysis
PL3005355T3 (pl) Kodowanie scen audio
EP2875510A4 (en) STEREO AUDIO SIGNAL ENCODER
ZA201602919B (en) Resampling an audio signal for low-delay encoding/decoding
EP2680260A4 (en) METHOD AND DEVICE FOR AUDIO SIGNAL ENCODING
ZA201406340B (en) Bandwidth extension of harmonic audio signal
BR112013016350A2 (pt) codificação/decodificação eficaz de sinais de áudio
HUE070987T2 (hu) Audió kódoló eszköz
PT3220390T (pt) Codificação/descodificação de transformada de sinais áudio harmónicos
EP2989631A4 (en) AUDIO SIGNAL ENCODER
EP2992528A4 (en) Hybrid encoding of multichannel audio
EP2962299A4 (en) AUDIO SIGNAL ANALYSIS
EP2823584A4 (en) VOICE SIGNAL GAIN
GB201204903D0 (en) Signal combining apparatus
EP2850737A4 (en) MULTI-STREAM SIGNAL PROCESSING
ZA201506319B (en) Low-complexity tonality-adaptive audio signal quantization
EP2705516A4 (en) CODING OF STEREOPHONE SIGNALS
HUE046991T2 (hu) Eseményjel átvitel
GB2484360B (en) Equalization of an audio signal
GB2513769B (en) Audio signal switching