PL2904612T3 - Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji - Google Patents

Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji

Info

Publication number
PL2904612T3
PL2904612T3 PL13742646T PL13742646T PL2904612T3 PL 2904612 T3 PL2904612 T3 PL 2904612T3 PL 13742646 T PL13742646 T PL 13742646T PL 13742646 T PL13742646 T PL 13742646T PL 2904612 T3 PL2904612 T3 PL 2904612T3
Authority
PL
Poland
Prior art keywords
acelp
autocorrelation
field
speech signals
coding speech
Prior art date
Application number
PL13742646T
Other languages
English (en)
Inventor
Tom BÄCKSTRÖM
Markus Multrus
Guillaume Fuchs
Christian Helmrich
Martin Dietz
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PL2904612T3 publication Critical patent/PL2904612T3/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
    • G10L19/04—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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
    • 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • G10L2019/0001—Codebooks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL13742646T 2012-10-05 2013-07-31 Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji PL2904612T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261710137P 2012-10-05 2012-10-05
EP13742646.6A EP2904612B1 (en) 2012-10-05 2013-07-31 An apparatus for encoding a speech signal employing acelp in the autocorrelation domain
PCT/EP2013/066074 WO2014053261A1 (en) 2012-10-05 2013-07-31 An apparatus for encoding a speech signal employing acelp in the autocorrelation domain

Publications (1)

Publication Number Publication Date
PL2904612T3 true PL2904612T3 (pl) 2019-05-31

Family

ID=48906260

Family Applications (2)

Application Number Title Priority Date Filing Date
PL13742646T PL2904612T3 (pl) 2012-10-05 2013-07-31 Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji
PL18184592.6T PL3444818T3 (pl) 2012-10-05 2013-07-31 Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL18184592.6T PL3444818T3 (pl) 2012-10-05 2013-07-31 Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji

Country Status (21)

Country Link
US (4) US10170129B2 (pl)
EP (3) EP2904612B1 (pl)
JP (1) JP6122961B2 (pl)
KR (1) KR101691549B1 (pl)
CN (1) CN104854656B (pl)
AR (1) AR092875A1 (pl)
AU (1) AU2013327192B2 (pl)
BR (1) BR112015007137B1 (pl)
CA (3) CA2887009C (pl)
ES (2) ES2701402T3 (pl)
FI (1) FI3444818T3 (pl)
MX (1) MX347921B (pl)
MY (1) MY194208A (pl)
PL (2) PL2904612T3 (pl)
PT (2) PT3444818T (pl)
RU (1) RU2636126C2 (pl)
SG (1) SG11201502613XA (pl)
TR (1) TR201818834T4 (pl)
TW (1) TWI529702B (pl)
WO (1) WO2014053261A1 (pl)
ZA (1) ZA201503025B (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3080621B1 (ja) 1999-10-13 2000-08-28 大和紡績株式会社 コイルフアスナー継手形成用スライダー
PL2904612T3 (pl) 2012-10-05 2019-05-31 Fraunhofer Ges Forschung Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji
EP2919232A1 (en) * 2014-03-14 2015-09-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and method for encoding and decoding
BR122020015614B1 (pt) * 2014-04-17 2022-06-07 Voiceage Evs Llc Método e dispositivo para interpolar parâmetros de filtro de predição linear em um quadro de processamento de sinal sonoro atual seguindo um quadro de processamento de sinal sonoro anterior
KR101860146B1 (ko) 2014-05-01 2018-05-23 니폰 덴신 덴와 가부시끼가이샤 주기성 통합 포락 계열 생성 장치, 주기성 통합 포락 계열 생성 방법, 주기성 통합 포락 계열 생성 프로그램, 기록매체
ES2956344T3 (es) 2015-08-25 2023-12-19 Dolby Laboratories Licensing Corp Descodificador de audio y procedimiento de descodificación
CN117476022A (zh) * 2022-07-29 2024-01-30 荣耀终端有限公司 声音编解码方法以及相关装置、系统

Family Cites Families (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1242279A (en) * 1984-07-10 1988-09-20 Tetsu Taguchi Speech signal processor
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US4910781A (en) * 1987-06-26 1990-03-20 At&T Bell Laboratories Code excited linear predictive vocoder using virtual searching
WO1990013112A1 (fr) * 1989-04-25 1990-11-01 Kabushiki Kaisha Toshiba Codeur vocal
US5040217A (en) 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
CA2010830C (en) * 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
FR2700632B1 (fr) * 1993-01-21 1995-03-24 France Telecom Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués.
JP3209248B2 (ja) * 1993-07-05 2001-09-17 日本電信電話株式会社 音声の励振信号符号化法
US5657422A (en) 1994-01-28 1997-08-12 Lucent Technologies Inc. Voice activity detection driven noise remediator
US5854998A (en) * 1994-04-29 1998-12-29 Audiocodes Ltd. Speech processing system quantizer of single-gain pulse excitation in speech coder
FR2729245B1 (fr) * 1995-01-06 1997-04-11 Lamblin Claude Procede de codage de parole a prediction lineaire et excitation par codes algebriques
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
US5751901A (en) * 1996-07-31 1998-05-12 Qualcomm Incorporated Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
CN1163870C (zh) * 1996-08-02 2004-08-25 松下电器产业株式会社 声音编码装置和方法，声音译码装置，以及声音译码方法
US5794182A (en) * 1996-09-30 1998-08-11 Apple Computer, Inc. Linear predictive speech encoding systems with efficient combination pitch coefficients computation
EP0992981B1 (en) * 1996-11-07 2001-11-28 Matsushita Electric Industrial Co., Ltd Excitation Method Generator and Excitation Vector Generating Method
US6055496A (en) * 1997-03-19 2000-04-25 Nokia Mobile Phones, Ltd. Vector quantization in celp speech coder
AU744008B2 (en) 1997-04-16 2002-02-14 Semiconductor Components Industries, Llc Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signals in hearing aids
US5924062A (en) * 1997-07-01 1999-07-13 Nokia Mobile Phones ACLEP codec with modified autocorrelation matrix storage and search
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
CA2335006C (en) 1999-04-19 2007-08-07 At&T Corp. Method and apparatus for performing packet loss or frame erasure concealment
KR100319924B1 (ko) * 1999-05-20 2002-01-09 윤종용 음성 부호화시에 대수코드북에서의 대수코드 탐색방법
GB9915842D0 (en) * 1999-07-06 1999-09-08 Btg Int Ltd Methods and apparatus for analysing a signal
US6704703B2 (en) * 2000-02-04 2004-03-09 Scansoft, Inc. Recursively excited linear prediction speech coder
SE518941C2 (sv) 2000-05-31 2002-12-10 Ericsson Telefon Ab L M Anordning och förfarande relaterande till kommunikation av tal
WO2002031815A1 (en) * 2000-10-13 2002-04-18 Science Applications International Corporation System and method for linear prediction
US7031926B2 (en) 2000-10-23 2006-04-18 Nokia Corporation Spectral parameter substitution for the frame error concealment in a speech decoder
CA2327041A1 (en) * 2000-11-22 2002-05-22 Voiceage Corporation A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals
KR100464369B1 (ko) * 2001-05-23 2005-01-03 삼성전자주식회사 음성 부호화 시스템의 여기 코드북 탐색 방법
US6766289B2 (en) * 2001-06-04 2004-07-20 Qualcomm Incorporated Fast code-vector searching
DE10140507A1 (de) * 2001-08-17 2003-02-27 Philips Corp Intellectual Pty Verfahren für die algebraische Codebook-Suche eines Sprachsignalkodierers
FR2830970B1 (fr) 2001-10-12 2004-01-30 France Telecom Procede et dispositif de synthese de trames de substitution, dans une succession de trames representant un signal de parole
US7003461B2 (en) * 2002-07-09 2006-02-21 Renesas Technology Corporation Method and apparatus for an adaptive codebook search in a speech processing system
US7363218B2 (en) * 2002-10-25 2008-04-22 Dilithium Networks Pty. Ltd. Method and apparatus for fast CELP parameter mapping
US7243064B2 (en) * 2002-11-14 2007-07-10 Verizon Business Global Llc Signal processing of multi-channel data
KR100656788B1 (ko) * 2004-11-26 2006-12-12 한국전자통신연구원 비트율 신축성을 갖는 코드벡터 생성 방법 및 그를 이용한 광대역 보코더
SG123639A1 (en) * 2004-12-31 2006-07-26 St Microelectronics Asia A system and method for supporting dual speech codecs
WO2006089055A1 (en) * 2005-02-15 2006-08-24 Bbn Technologies Corp. Speech analyzing system with adaptive noise codebook
WO2006126115A2 (en) * 2005-05-25 2006-11-30 Koninklijke Philips Electronics N.V. Predictive encoding of a multi channel signal
US7831421B2 (en) 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
JP3981399B1 (ja) * 2006-03-10 2007-09-26 松下電器産業株式会社 固定符号帳探索装置および固定符号帳探索方法
WO2007096550A2 (fr) * 2006-02-22 2007-08-30 France Telecom Codage/decodage perfectionnes d'un signal audionumerique, en technique celp
SG136836A1 (en) 2006-04-28 2007-11-29 St Microelectronics Asia Adaptive rate control algorithm for low complexity aac encoding
WO2008007699A1 (en) 2006-07-12 2008-01-17 Panasonic Corporation Audio decoding device and audio encoding device
US7680099B2 (en) 2006-08-22 2010-03-16 Nokia Corporation Jitter buffer adjustment
KR100964402B1 (ko) 2006-12-14 2010-06-17 삼성전자주식회사 오디오 신호의 부호화 모드 결정 방법 및 장치와 이를 이용한 오디오 신호의 부호화/복호화 방법 및 장치
US7873064B1 (en) 2007-02-12 2011-01-18 Marvell International Ltd. Adaptive jitter buffer-packet loss concealment
WO2008134974A1 (en) 2007-04-29 2008-11-13 Huawei Technologies Co., Ltd. An encoding method, a decoding method, an encoder and a decoder
CN101364854B (zh) 2007-08-10 2011-01-26 北京理工大学 一种基于边信息的语音包丢失恢复方法
CN101842833B (zh) * 2007-09-11 2012-07-18 沃伊斯亚吉公司 语音和音频编码中快速代数码本搜索的方法和设备
EP2107556A1 (en) 2008-04-04 2009-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transform coding using pitch correction
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
US20100011041A1 (en) * 2008-07-11 2010-01-14 James Vannucci Device and method for determining signals
EP2146522A1 (en) * 2008-07-17 2010-01-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating audio output signals using object based metadata
US20100153100A1 (en) * 2008-12-11 2010-06-17 Electronics And Telecommunications Research Institute Address generator for searching algebraic codebook
CN101609678B (zh) 2008-12-30 2011-07-27 华为技术有限公司 信号压缩方法及其压缩装置
EP2211335A1 (en) * 2009-01-21 2010-07-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal
US8315204B2 (en) * 2009-07-06 2012-11-20 Intel Corporation Beamforming using base and differential codebooks
BR112012004797A2 (pt) * 2009-09-02 2017-02-21 Rockstar Bidco Lp sistemas e métodos para codificação usando uma tabela de codificação reduzida com reconfiguração adaptativa
MY163358A (en) 2009-10-08 2017-09-15 Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping
WO2011049514A1 (en) 2009-10-19 2011-04-28 Telefonaktiebolaget Lm Ericsson (Publ) Method and background estimator for voice activity detection
JP6214160B2 (ja) 2009-10-20 2017-10-18 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ マルチモードオーディオコーデックおよびそれに適応されるｃｅｌｐ符号化
US20110196673A1 (en) 2010-02-11 2011-08-11 Qualcomm Incorporated Concealing lost packets in a sub-band coding decoder
US9112591B2 (en) 2010-04-16 2015-08-18 Samsung Electronics Co., Ltd. Apparatus for encoding/decoding multichannel signal and method thereof
SG192714A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
US9280982B1 (en) 2011-03-29 2016-03-08 Google Technology Holdings LLC Nonstationary noise estimator (NNSE)
EP2770503B1 (en) 2011-10-21 2019-05-29 Samsung Electronics Co., Ltd. Method and apparatus for concealing frame errors and method and apparatus for audio decoding
PL2904612T3 (pl) * 2012-10-05 2019-05-31 Fraunhofer Ges Forschung Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji
AU2013345615B2 (en) 2012-11-13 2017-05-04 Samsung Electronics Co., Ltd. Method and apparatus for determining encoding mode, method and apparatus for encoding audio signals, and method and apparatus for decoding audio signals
SG11201504810YA (en) 2012-12-21 2015-07-30 Fraunhofer Ges Forschung Generation of a comfort noise with high spectro-temporal resolution in discontinuous transmission of audio signals
RU2639952C2 (ru) * 2013-08-28 2017-12-25 Долби Лабораторис Лайсэнзин Корпорейшн Гибридное усиление речи с кодированием формы сигнала и параметрическим кодированием
EP2916319A1 (en) * 2014-03-07 2015-09-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for encoding of information
EP2919232A1 (en) * 2014-03-14 2015-09-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and method for encoding and decoding

Also Published As

Publication number Publication date
AU2013327192A1 (en) 2015-04-30
CA2887009A1 (en) 2014-04-10
EP2904612B1 (en) 2018-09-19
PT3444818T (pt) 2023-06-30
BR112015007137B1 (pt) 2021-07-13
RU2636126C2 (ru) 2017-11-20
US11264043B2 (en) 2022-03-01
AR092875A1 (es) 2015-05-06
MX2015003927A (es) 2015-07-23
US20240321284A1 (en) 2024-09-26
KR101691549B1 (ko) 2016-12-30
ES2701402T3 (es) 2019-02-22
JP6122961B2 (ja) 2017-04-26
TWI529702B (zh) 2016-04-11
US20220223163A1 (en) 2022-07-14
CA2887009C (en) 2019-12-17
CN104854656B (zh) 2017-12-19
MX347921B (es) 2017-05-17
CA2979857C (en) 2019-10-15
US12633298B2 (en) 2026-05-19
AU2013327192B2 (en) 2016-06-09
CN104854656A (zh) 2015-08-19
KR20150070200A (ko) 2015-06-24
EP3444818A1 (en) 2019-02-20
ES2948895T3 (es) 2023-09-21
SG11201502613XA (en) 2015-05-28
FI3444818T3 (fi) 2023-06-22
RU2015116458A (ru) 2016-11-27
US20180218743A9 (en) 2018-08-02
EP3444818B1 (en) 2023-04-19
TW201415457A (zh) 2014-04-16
BR112015007137A2 (pt) 2017-07-04
US20190115035A1 (en) 2019-04-18
PL3444818T3 (pl) 2023-08-21
US12002481B2 (en) 2024-06-04
ZA201503025B (en) 2016-01-27
PT2904612T (pt) 2018-12-17
CA2979948A1 (en) 2014-04-10
TR201818834T4 (tr) 2019-01-21
US10170129B2 (en) 2019-01-01
HK1213359A1 (en) 2016-06-30
MY194208A (en) 2022-11-21
JP2015532456A (ja) 2015-11-09
CA2979948C (en) 2019-10-22
US20150213810A1 (en) 2015-07-30
EP2904612A1 (en) 2015-08-12
WO2014053261A1 (en) 2014-04-10
CA2979857A1 (en) 2014-04-10
EP4213146A1 (en) 2023-07-19

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