HK1179743A1 - Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding - Google Patents

Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding

Info

Publication number
HK1179743A1
HK1179743A1 HK13106813.7A HK13106813A HK1179743A1 HK 1179743 A1 HK1179743 A1 HK 1179743A1 HK 13106813 A HK13106813 A HK 13106813A HK 1179743 A1 HK1179743 A1 HK 1179743A1
Authority
HK
Hong Kong
Prior art keywords
audio signal
methods
computer program
sampling rate
rate dependent
Prior art date
Application number
HK13106813.7A
Other languages
English (en)
Chinese (zh)
Inventor
Stefan Bayer
Tom Bckstrm
Ralf Geiger
Bernd Edler
Sascha Disch
Lars Villemoes
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 HK1179743A1 publication Critical patent/HK1179743A1/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04Time compression or expansion
    • 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/02Speech 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
    • 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
    • G10L19/02Speech 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
    • G10L19/0212Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90Pitch 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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK13106813.7A 2010-03-10 2013-06-08 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding HK1179743A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31250310P 2010-03-10 2010-03-10
PCT/EP2011/053538 WO2011110591A1 (en) 2010-03-10 2011-03-09 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding

Publications (1)

Publication Number Publication Date
HK1179743A1 true HK1179743A1 (en) 2013-10-04

Family

ID=43829343

Family Applications (2)

Application Number Title Priority Date Filing Date
HK13106813.7A HK1179743A1 (en) 2010-03-10 2013-06-08 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding
HK13107466.5A HK1181540A1 (en) 2010-03-10 2013-06-26 Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK13107466.5A HK1181540A1 (en) 2010-03-10 2013-06-26 Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context

Country Status (16)

Country Link
US (2) US9129597B2 (ru)
EP (2) EP2539893B1 (ru)
JP (2) JP5456914B2 (ru)
KR (2) KR101445294B1 (ru)
CN (2) CN102884572B (ru)
AR (2) AR080396A1 (ru)
AU (2) AU2011226143B9 (ru)
BR (2) BR112012022741B1 (ru)
CA (2) CA2792504C (ru)
ES (2) ES2458354T3 (ru)
HK (2) HK1179743A1 (ru)
MX (2) MX2012010469A (ru)
PL (2) PL2532001T3 (ru)
RU (2) RU2607264C2 (ru)
TW (2) TWI455113B (ru)
WO (2) WO2011110591A1 (ru)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2083418A1 (en) * 2008-01-24 2009-07-29 Deutsche Thomson OHG Method and Apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side
US8924222B2 (en) 2010-07-30 2014-12-30 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
CN103035249B (zh) * 2012-11-14 2015-04-08 北京理工大学 一种基于时频平面上下文的音频算术编码方法
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
JP6317436B2 (ja) 2013-06-21 2018-04-25 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. 時間スケーラ、オーディオデコーダ、方法および品質制御を用いるコンピュータプログラム
PT3011692T (pt) 2013-06-21 2017-09-22 Fraunhofer Ges Forschung Controlo jitter buffer, descodificador de áudio, método e programa de computador
BR112016007515B1 (pt) * 2013-10-18 2021-11-16 Telefonaktiebolaget Lm Ericsson (Publ) Método de codificação de segmento de sinal de áudio, codificador de segmento de sinal de áudio, e, terminal de usuário.
CN111009249B (zh) 2013-10-18 2021-06-04 弗劳恩霍夫应用研究促进协会 编码器/解码器、编码/解码方法和非瞬时性存储介质
FR3015754A1 (fr) * 2013-12-20 2015-06-26 Orange Re-echantillonnage d'un signal audio cadence a une frequence d'echantillonnage variable selon la trame
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
EP3117432B1 (en) * 2014-03-14 2019-05-08 Telefonaktiebolaget LM Ericsson (publ) Audio coding method and apparatus
US10770087B2 (en) * 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
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
CN105070292B (zh) * 2015-07-10 2018-11-16 珠海市杰理科技股份有限公司 音频文件数据重排序的方法和系统
ES2727462T3 (es) * 2016-01-22 2019-10-16 Fraunhofer Ges Forschung Aparatos y procedimientos para la codificación o decodificación de una señal multicanal de audio mediante el uso de repetición de muestreo de dominio espectral
EP3306609A1 (en) 2016-10-04 2018-04-11 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for determining a pitch information
KR102383195B1 (ko) * 2017-10-27 2022-04-08 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 디코더에서의 노이즈 감쇠
WO2020207593A1 (en) * 2019-04-11 2020-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program
US20210192681A1 (en) * 2019-12-18 2021-06-24 Ati Technologies Ulc Frame reprojection for virtual reality and augmented reality
US11776562B2 (en) * 2020-05-29 2023-10-03 Qualcomm Incorporated Context-aware hardware-based voice activity detection
AU2021359779A1 (en) * 2020-10-13 2023-06-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding a plurality of audio objects and apparatus and method for decoding using two or more relevant audio objects
CN114488105B (zh) * 2022-04-15 2022-08-23 四川锐明智通科技有限公司 一种基于运动特征及方向模板滤波的雷达目标检测方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7272556B1 (en) 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
JP4196235B2 (ja) * 1999-01-19 2008-12-17 ソニー株式会社 オーディオデータ処理装置
EP1099215B1 (en) * 1999-05-26 2005-02-23 Koninklijke Philips Electronics N.V. Audio signal transmission system
US6581032B1 (en) * 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals
CA2365203A1 (en) 2001-12-14 2003-06-14 Voiceage Corporation A signal modification method for efficient coding of speech signals
US20040098255A1 (en) * 2002-11-14 2004-05-20 France Telecom Generalized analysis-by-synthesis speech coding method, and coder implementing such method
US7394833B2 (en) * 2003-02-11 2008-07-01 Nokia Corporation Method and apparatus for reducing synchronization delay in packet switched voice terminals using speech decoder modification
JP4364544B2 (ja) * 2003-04-09 2009-11-18 株式会社神戸製鋼所 音声信号処理装置及びその方法
CN101171626B (zh) * 2005-03-11 2012-03-21 高通股份有限公司 通过修改残余对声码器内的帧进行时间扭曲
CA2603246C (en) * 2005-04-01 2012-07-17 Qualcomm Incorporated Systems, methods, and apparatus for anti-sparseness filtering
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
CN101366080B (zh) * 2006-08-15 2011-10-19 美国博通公司 一种更新解码器的状态的方法和系统
WO2008022207A2 (en) 2006-08-15 2008-02-21 Broadcom Corporation Time-warping of decoded audio signal after packet loss
US8239190B2 (en) * 2006-08-22 2012-08-07 Qualcomm Incorporated Time-warping frames of wideband vocoder
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
EP2015293A1 (en) 2007-06-14 2009-01-14 Deutsche Thomson OHG Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain
EP2107556A1 (en) * 2008-04-04 2009-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transform coding using pitch correction
RU2621965C2 (ru) * 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
BRPI0910796B1 (pt) * 2008-07-11 2021-07-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Codificador de áudio e decodificador de áudio
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
US8600737B2 (en) 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding

Also Published As

Publication number Publication date
JP5456914B2 (ja) 2014-04-02
KR20130018761A (ko) 2013-02-25
MX2012010439A (es) 2013-04-29
CN102884572B (zh) 2015-06-17
CA2792500A1 (en) 2011-09-15
EP2539893B1 (en) 2014-04-02
JP2013521540A (ja) 2013-06-10
BR112012022744A2 (pt) 2017-12-12
US9524726B2 (en) 2016-12-20
BR112012022741B1 (pt) 2021-09-21
AR084465A1 (es) 2013-05-22
AU2011226143A1 (en) 2012-10-25
RU2607264C2 (ru) 2017-01-10
EP2532001B1 (en) 2014-04-02
TW201207846A (en) 2012-02-16
RU2586848C2 (ru) 2016-06-10
HK1181540A1 (en) 2013-11-08
KR101445296B1 (ko) 2014-09-29
CA2792500C (en) 2016-05-03
CN102884572A (zh) 2013-01-16
MX2012010469A (es) 2012-12-10
ES2461183T3 (es) 2014-05-19
JP2013522658A (ja) 2013-06-13
PL2532001T3 (pl) 2014-09-30
US9129597B2 (en) 2015-09-08
CA2792504C (en) 2016-05-31
CN102884573A (zh) 2013-01-16
ES2458354T3 (es) 2014-05-05
AU2011226143B9 (en) 2015-03-19
BR112012022741A2 (pt) 2020-11-24
AU2011226140B2 (en) 2014-08-14
AR080396A1 (es) 2012-04-04
WO2011110591A1 (en) 2011-09-15
AU2011226143B2 (en) 2014-08-28
WO2011110594A1 (en) 2011-09-15
US20130117015A1 (en) 2013-05-09
RU2012143323A (ru) 2014-04-20
PL2539893T3 (pl) 2014-09-30
TW201203224A (en) 2012-01-16
TWI441170B (zh) 2014-06-11
US20130073296A1 (en) 2013-03-21
BR112012022744B1 (pt) 2021-02-17
RU2012143340A (ru) 2014-04-20
EP2532001A1 (en) 2012-12-12
JP5625076B2 (ja) 2014-11-12
KR101445294B1 (ko) 2014-09-29
CN102884573B (zh) 2014-09-10
AU2011226140A1 (en) 2012-10-18
KR20120128156A (ko) 2012-11-26
TWI455113B (zh) 2014-10-01
CA2792504A1 (en) 2011-09-15
EP2539893A1 (en) 2013-01-02

Similar Documents

Publication Publication Date Title
HK1179743A1 (en) Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding
HK1248909A1 (zh) 音頻解碼器、音頻編碼器、把一個音頻信號解碼和編碼的方法及計算機程序
ZA201100091B (en) Audio encoder,audio decoder,methods for encoding and decoding an audio signal,audio stream and computer program
HK1172727A1 (en) Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping
PT2410520T (pt) Codificador de sinal de áudio, métodos para codificar um sinal de áudio e programas de computador
HK1151883A1 (en) Audio signal decoder, audio signal encoder, encoded multi-channel audio signal representation, methods and computer program
ZA201208364B (en) Audio encoder,audio decoder and related methods for processing multi-channel audio signals using complex prediction
HK1175288A1 (en) Signal processing device and method, encoding device and method, decoding device and method
TWI800092B (zh) 音頻解碼裝置、音頻解碼方法及音頻編碼方法
ZA201207451B (en) Signal processing device and method,encoding device and method,decoding device and method,and program
ZA201102476B (en) Audio decoder, audio encoder, method for decoding an audio signal, method for encoding an audio signal, computer program and audio signal
PL2559027T3 (pl) Enkoder audio, dekoder audio i powiązane sposoby przetwarzania sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji
HK1163914A1 (zh) 音頻編碼器,音頻解碼器,編碼音頻信息,編碼和解碼音頻信號的方法及計算機程序
EP2491556C0 (en) AUDIO SIGNAL DECODER, CORRESPONDING METHOD AND COMPUTER POGRAM
ZA201205938B (en) Audio encoder, audio decoder, method for encoding and audio information,method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries
FI3751564T3 (fi) Audiokooderi, audiokoodausmenetelmä ja tietokoneohjelma
SI2405426T1 (sl) Postopek kodiranja avdiosignala, postopek dekodiranja avdiosignala, kodirna naprava, dekodirana naprava, sistem za obdelavo avdiosignala, program za kodiranje avdiosignala in program za dekodiranje avdiosignala
EP2416316A4 (en) SPEECH CODING DEVICE, SPEECH DECODING DEVICE, SPEECH ENCODING METHOD, SPEECH DECODING METHOD, SPEECH CODING PROGRAM, AND SPEECH DECODING PROGRAM
EP2608199A4 (en) ENCODING DEVICE AND METHOD, DECODING DEVICE AND METHOD, AND PROGRAM
PL2491553T3 (pl) Koder audio, dekoder audio, sposób kodowania informacji audio, sposób dekodowania informacji audio i program komputerowy wykorzystujący iteracyjne zmniejszania rozmiaru przedziału
EP2605240A4 (en) AUDIO DECODING DEVICE, AUDIO DECODING METHOD, AUDIO DECODING PROGRAM, AUDIO ENCODING DEVICE, AUDIO ENCODING METHOD, AND AUDIO CODING PROGRAM
EP2645366A4 (en) AUDIO CODING DEVICE, METHOD AND PROGRAM, AND AUDIO CODING DEVICE, METHOD AND PROGRAM
EP2593937A4 (en) TONE CODIER AND DECODER AND METHOD FOR CODING AND DECODING A TONE SIGNAL
EP2525356A4 (en) CODING DEVICE AND METHOD, DEVICE AND DECODING METHOD, AND PROGRAM THEREOF
AU2012204070B2 (en) Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program