ZA200902199B - Apparatus and methods for generating audio subband values and apparatus and method for generating time-domain audio samples - Google Patents

Apparatus and methods for generating audio subband values and apparatus and method for generating time-domain audio samples

Info

Publication number
ZA200902199B
ZA200902199B ZA200902199A ZA200902199A ZA200902199B ZA 200902199 B ZA200902199 B ZA 200902199B ZA 200902199 A ZA200902199 A ZA 200902199A ZA 200902199 A ZA200902199 A ZA 200902199A ZA 200902199 B ZA200902199 B ZA 200902199B
Authority
ZA
South Africa
Prior art keywords
generating
methods
subband values
audio
audio samples
Prior art date
Application number
ZA200902199A
Other languages
English (en)
Inventor
Markus Schnell
Manfred Lutzky
Markus Lohwasser
Markus Schmidt
Marc Gayer
Michael Mellar
Bernd Edler
Markus Multrus
Gerald Schuller
Ralf Geiger
Bernhard Grill
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 ZA200902199B publication Critical patent/ZA200902199B/xx

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
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G10L21/00—Speech 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Liquid Crystal Substances (AREA)
  • Tires In General (AREA)
  • External Artificial Organs (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Materials For Photolithography (AREA)
  • Peptides Or Proteins (AREA)
ZA200902199A 2006-10-25 2009-03-30 Apparatus and methods for generating audio subband values and apparatus and method for generating time-domain audio samples ZA200902199B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86295406P 2006-10-25 2006-10-25

Publications (1)

Publication Number Publication Date
ZA200902199B true ZA200902199B (en) 2010-04-28

Family

ID=39048961

Family Applications (2)

Application Number Title Priority Date Filing Date
ZA200810308A ZA200810308B (en) 2006-10-25 2008-12-04 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
ZA200902199A ZA200902199B (en) 2006-10-25 2009-03-30 Apparatus and methods for generating audio subband values and apparatus and method for generating time-domain audio samples

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ZA200810308A ZA200810308B (en) 2006-10-25 2008-12-04 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples

Country Status (26)

Country Link
US (11) USRE50157E1 (xx)
EP (10) EP3288027B1 (xx)
JP (2) JP5083779B2 (xx)
KR (2) KR100957711B1 (xx)
CN (2) CN101405791B (xx)
AR (2) AR063394A1 (xx)
AT (1) ATE435480T1 (xx)
AU (2) AU2007308415B2 (xx)
BR (2) BRPI0716315A2 (xx)
CA (2) CA2667505C (xx)
DE (1) DE602007001460D1 (xx)
DK (2) DK1994530T3 (xx)
ES (6) ES2834024T3 (xx)
FI (1) FI3848928T3 (xx)
HK (2) HK1119824A1 (xx)
HU (1) HUE064482T2 (xx)
IL (2) IL193786A (xx)
MX (2) MX2008011898A (xx)
MY (2) MY142520A (xx)
NO (3) NO341567B1 (xx)
PL (6) PL3848928T3 (xx)
PT (5) PT3288027T (xx)
RU (2) RU2411645C2 (xx)
TW (2) TWI357065B (xx)
WO (2) WO2008049590A1 (xx)
ZA (2) ZA200810308B (xx)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE50158E1 (en) 2006-10-25 2024-10-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
EP3288027B1 (en) 2006-10-25 2021-04-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating complex-valued audio subband values
US8160890B2 (en) * 2006-12-13 2012-04-17 Panasonic Corporation Audio signal coding method and decoding method
US8214200B2 (en) * 2007-03-14 2012-07-03 Xfrm, Inc. Fast MDCT (modified discrete cosine transform) approximation of a windowed sinusoid
EP2077550B8 (en) * 2008-01-04 2012-03-14 Dolby International AB Audio encoder and decoder
WO2010013752A1 (ja) * 2008-07-29 2010-02-04 ヤマハ株式会社 演奏関連情報出力装置、演奏関連情報出力装置を備えるシステム、及び電子楽器
EP2268057B1 (en) * 2008-07-30 2017-09-06 Yamaha Corporation Audio signal processing device, audio signal processing system, and audio signal processing method
US9384748B2 (en) * 2008-11-26 2016-07-05 Electronics And Telecommunications Research Institute Unified Speech/Audio Codec (USAC) processing windows sequence based mode switching
PL4231290T3 (pl) * 2008-12-15 2024-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
RU2493618C2 (ru) * 2009-01-28 2013-09-20 Долби Интернешнл Аб Усовершенствованное гармоническое преобразование
BRPI1007528B1 (pt) 2009-01-28 2020-10-13 Dolby International Ab Sistema para gerar um sinal de áudio de saída a partir de um sinal de áudio de entrada usando um fator de transposição t, método para transpor um sinal de áudio de entrada por um fator de transposição t e meio de armazenamento
TWI662788B (zh) 2009-02-18 2019-06-11 瑞典商杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
US8392200B2 (en) 2009-04-14 2013-03-05 Qualcomm Incorporated Low complexity spectral band replication (SBR) filterbanks
CN102422531B (zh) * 2009-06-29 2014-09-03 三菱电机株式会社 音频信号处理装置
CN101958119B (zh) * 2009-07-16 2012-02-29 中兴通讯股份有限公司 一种改进的离散余弦变换域音频丢帧补偿器和补偿方法
FR2949582B1 (fr) * 2009-09-02 2011-08-26 Alcatel Lucent Procede pour rendre un signal musical compatible avec un codec a transmission discontinue ; et dispositif pour la mise en ?uvre de ce procede
JP5433022B2 (ja) * 2009-09-18 2014-03-05 ドルビー インターナショナル アーベー 高調波転換
ES2805349T3 (es) 2009-10-21 2021-02-11 Dolby Int Ab Sobremuestreo en un banco de filtros de reemisor combinado
CA2782338C (en) * 2009-11-30 2014-12-30 Akinori Fujimura Demultiplexing device, multiplexing device, and relay device
KR102020334B1 (ko) 2010-01-19 2019-09-10 돌비 인터네셔널 에이비 고조파 전위에 기초하여 개선된 서브밴드 블록
JP5782677B2 (ja) 2010-03-31 2015-09-24 ヤマハ株式会社 コンテンツ再生装置および音声処理システム
EP4398249A3 (en) * 2010-04-13 2024-07-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoding sample-accurate representation of an audio signal
US9443534B2 (en) * 2010-04-14 2016-09-13 Huawei Technologies Co., Ltd. Bandwidth extension system and approach
CN103155033B (zh) 2010-07-19 2014-10-22 杜比国际公司 高频重建期间的音频信号处理
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
CN101908342B (zh) * 2010-07-23 2012-09-26 北京理工大学 利用频域滤波后处理进行音频暂态信号预回声抑制的方法
US8755460B2 (en) * 2010-07-30 2014-06-17 National Instruments Corporation Phase aligned sampling of multiple data channels using a successive approximation register converter
US8762158B2 (en) * 2010-08-06 2014-06-24 Samsung Electronics Co., Ltd. Decoding method and decoding apparatus therefor
FR2969804A1 (fr) * 2010-12-23 2012-06-29 France Telecom Filtrage perfectionne dans le domaine transforme.
MY166394A (en) 2011-02-14 2018-06-25 Fraunhofer Ges Forschung Information signal representation using lapped transform
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
ES2639646T3 (es) 2011-02-14 2017-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
KR101525185B1 (ko) 2011-02-14 2015-06-02 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 트랜지언트 검출 및 품질 결과를 사용하여 일부분의 오디오 신호를 코딩하기 위한 장치 및 방법
KR101551046B1 (ko) 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
BR112013020482B1 (pt) 2011-02-14 2021-02-23 Fraunhofer Ges Forschung aparelho e método para processar um sinal de áudio decodificado em um domínio espectral
FR2977439A1 (fr) * 2011-06-28 2013-01-04 France Telecom Fenetres de ponderation en codage/decodage par transformee avec recouvrement, optimisees en retard.
FR2977969A1 (fr) * 2011-07-12 2013-01-18 France Telecom Adaptation de fenetres de ponderation d'analyse ou de synthese pour un codage ou decodage par transformee
EP2573761B1 (en) 2011-09-25 2018-02-14 Yamaha Corporation Displaying content in relation to music reproduction by means of information processing apparatus independent of music reproduction apparatus
EP3544006A1 (en) 2011-11-11 2019-09-25 Dolby International AB Upsampling using oversampled sbr
JP5494677B2 (ja) 2012-01-06 2014-05-21 ヤマハ株式会社 演奏装置及び演奏プログラム
EP2717262A1 (en) * 2012-10-05 2014-04-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding
MX2021000353A (es) * 2013-02-05 2023-02-24 Ericsson Telefon Ab L M Método y aparato para controlar ocultación de pérdida de trama de audio.
TWI557727B (zh) 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
CN105247614B (zh) 2013-04-05 2019-04-05 杜比国际公司 音频编码器和解码器
EP3742440B1 (en) 2013-04-05 2024-07-31 Dolby International AB Audio decoder for interleaved waveform coding
US10893488B2 (en) 2013-06-14 2021-01-12 Microsoft Technology Licensing, Llc Radio frequency (RF) power back-off optimization for specific absorption rate (SAR) compliance
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
RU2665281C2 (ru) * 2013-09-12 2018-08-28 Долби Интернэшнл Аб Временное согласование данных обработки на основе квадратурного зеркального фильтра
KR101782916B1 (ko) 2013-09-17 2017-09-28 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
WO2015060654A1 (ko) 2013-10-22 2015-04-30 한국전자통신연구원 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치
KR102244613B1 (ko) * 2013-10-28 2021-04-26 삼성전자주식회사 Ｑｍｆ 필터링 방법 및 이를 수행하는 장치
WO2015099429A1 (ko) 2013-12-23 2015-07-02 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법, 이를 위한 파라메터화 장치 및 오디오 신호 처리 장치
CN108600935B (zh) 2014-03-19 2020-11-03 韦勒斯标准与技术协会公司 音频信号处理方法和设备
KR101856127B1 (ko) 2014-04-02 2018-05-09 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
KR102318581B1 (ko) * 2014-06-10 2021-10-27 엠큐에이 리미티드 오디오 신호의 디지털 캡슐화
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
TWI693594B (zh) 2015-03-13 2020-05-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
EP3107096A1 (en) * 2015-06-16 2016-12-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Downscaled decoding
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
WO2017050398A1 (en) 2015-09-25 2017-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding
WO2017153300A1 (en) * 2016-03-07 2017-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Error concealment unit, audio decoder, and related method and computer program using characteristics of a decoded representation of a properly decoded audio frame
JP6976277B2 (ja) * 2016-06-22 2021-12-08 ドルビー・インターナショナル・アーベー 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法
EP3276620A1 (en) 2016-07-29 2018-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis
US10224974B2 (en) 2017-03-31 2019-03-05 Microsoft Technology Licensing, Llc Proximity-independent SAR mitigation
TWI681384B (zh) * 2018-08-01 2020-01-01 瑞昱半導體股份有限公司 音訊處理方法與音訊等化器
EP3935630B1 (en) * 2019-03-06 2024-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio downmixing
CN112447166B (zh) * 2019-08-16 2024-09-10 阿里巴巴集团控股有限公司 一种针对目标频谱矩阵的处理方法及装置
EP3786948A1 (en) * 2019-08-28 2021-03-03 Fraunhofer Gesellschaft zur Förderung der Angewand Time-varying time-frequency tilings using non-uniform orthogonal filterbanks based on mdct analysis/synthesis and tdar
CN111402917B (zh) * 2020-03-13 2023-08-04 北京小米松果电子有限公司 音频信号处理方法及装置、存储介质
US11632147B2 (en) * 2020-08-13 2023-04-18 Marvell Asia Pte, Ltd. Simplified frequency-domain filter adaptation window
CN114007176B (zh) * 2020-10-09 2023-12-19 上海又为智能科技有限公司 用于降低信号延时的音频信号处理方法、装置及存储介质

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US351882A (en) 1886-11-02 Thill-coupling
US3666543A (en) * 1969-11-24 1972-05-30 Ludwig Maier Tris-(2-hydroxyalkyl)-phosphine oxide flame retardant articles
AU5811390A (en) 1989-05-17 1990-12-18 Telefunken Fernseh Und Rundfunk Gmbh Process for transmitting a signal
CN1062963C (zh) 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
JP3277682B2 (ja) 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
KR100346734B1 (ko) 1995-09-22 2002-11-23 삼성전자 주식회사 고속분석필터및합성필터를구비한오디오부호화기및복호화기
US5819215A (en) 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
US6377917B1 (en) 1997-01-27 2002-04-23 Microsoft Corporation System and methodology for prosody modification
JP3065067B2 (ja) * 1998-03-04 2000-07-12 韓國電氣通信公社 Ｍｐｅｇオ―ディオ多チャンネル処理用等間隔サブバンド分析フィルタ及び合成フィルタ
FI114833B (fi) 1999-01-08 2004-12-31 Nokia Corp Menetelmä, puhekooderi ja matkaviestin puheenkoodauskehysten muodostamiseksi
US6226608B1 (en) 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US6510407B1 (en) 1999-10-19 2003-01-21 Atmel Corporation Method and apparatus for variable rate coding of speech
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
US6718300B1 (en) 2000-06-02 2004-04-06 Agere Systems Inc. Method and apparatus for reducing aliasing in cascaded filter banks
JP2002091499A (ja) 2000-06-14 2002-03-27 Texas Instruments Inc ウインドウ圧縮／伸張方法
US6748363B1 (en) * 2000-06-28 2004-06-08 Texas Instruments Incorporated TI window compression/expansion method
EP1199711A1 (en) 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Encoding of audio signal using bandwidth expansion
US6996198B2 (en) * 2000-10-27 2006-02-07 At&T Corp. Nonuniform oversampled filter banks for audio signal processing
US6707869B1 (en) * 2000-12-28 2004-03-16 Nortel Networks Limited Signal-processing apparatus with a filter of flexible window design
SE0101175D0 (sv) * 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
US7136418B2 (en) * 2001-05-03 2006-11-14 University Of Washington Scalable and perceptually ranked signal coding and decoding
US7400651B2 (en) 2001-06-29 2008-07-15 Kabushiki Kaisha Kenwood Device and method for interpolating frequency components of signal
JP4012506B2 (ja) 2001-08-24 2007-11-21 株式会社ケンウッド 信号の周波数成分を適応的に補間するための装置および方法
DE10228103A1 (de) 2002-06-24 2004-01-15 Bayer Cropscience Ag Fungizide Wirkstoffkombinationen
EP1543307B1 (en) * 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
JP3876850B2 (ja) * 2003-06-02 2007-02-07 ヤマハ株式会社 アレースピーカーシステム
US7563748B2 (en) 2003-06-23 2009-07-21 Cognis Ip Management Gmbh Alcohol alkoxylate carriers for pesticide active ingredients
EP1513137A1 (en) 2003-08-22 2005-03-09 MicronasNIT LCC, Novi Sad Institute of Information Technologies Speech processing system and method with multi-pulse excitation
TWI227866B (en) 2003-11-07 2005-02-11 Mediatek Inc Subband analysis/synthesis filtering method
CN1270290C (zh) * 2003-11-26 2006-08-16 联发科技股份有限公司 子带分析/合成滤波方法
CN100573666C (zh) * 2003-11-26 2009-12-23 联发科技股份有限公司 子带分析/合成滤波方法
WO2005073959A1 (en) 2004-01-28 2005-08-11 Koninklijke Philips Electronics N.V. Audio signal decoding using complex-valued data
CA2457988A1 (en) 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
EP1769092A4 (en) 2004-06-29 2008-08-06 Europ Nickel Plc IMPROVED LIXIVIATION OF BASE METALS
JP5129117B2 (ja) 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 音声信号の高帯域部分を符号化及び復号する方法及び装置
US7774396B2 (en) 2005-11-18 2010-08-10 Dynamic Hearing Pty Ltd Method and device for low delay processing
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8036903B2 (en) 2006-10-18 2011-10-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system
EP3288027B1 (en) 2006-10-25 2021-04-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating complex-valued audio subband values
TW200922334A (en) 2007-11-02 2009-05-16 Univ Nat Chunghsing Low complexity frequency field motion estimation method adapted to wavelet video coding

Also Published As

Publication number Publication date
EP4300825B1 (en) 2024-08-28
MY142520A (en) 2010-12-15
FI3848928T3 (fi) 2023-06-02
KR101056253B1 (ko) 2011-08-11
ES2947516T3 (es) 2023-08-10
CA2667505C (en) 2015-07-07
JP2010507820A (ja) 2010-03-11
EP4300824A2 (en) 2024-01-03
ES2834024T3 (es) 2021-06-16
EP2109098B1 (en) 2020-09-09
NO20084012L (no) 2009-07-22
ES2966657T3 (es) 2024-04-23
EP2076901B1 (en) 2017-05-10
USRE50009E1 (en) 2024-06-11
KR20090058029A (ko) 2009-06-08
US8775193B2 (en) 2014-07-08
ATE435480T1 (de) 2009-07-15
US20100023322A1 (en) 2010-01-28
EP3288027A1 (en) 2018-02-28
EP4300824B1 (en) 2024-08-28
ES2631906T3 (es) 2017-09-06
USRE50159E1 (en) 2024-10-01
USRE50054E1 (en) 2024-07-23
US8438015B2 (en) 2013-05-07
RU2009119456A (ru) 2010-11-27
BRPI0716315A2 (pt) 2017-05-30
PT2109098T (pt) 2020-12-18
EP1994530B1 (en) 2009-07-01
KR100957711B1 (ko) 2010-05-12
IL197976A (en) 2014-03-31
PT1994530E (pt) 2009-10-09
HUE064482T2 (hu) 2024-03-28
PT3848928T (pt) 2023-06-07
DK1994530T3 (da) 2009-08-31
RU2008137468A (ru) 2010-03-27
US20090319283A1 (en) 2009-12-24
EP4325724A2 (en) 2024-02-21
DK3848928T3 (da) 2023-06-19
NO20170452A1 (no) 2009-07-22
BRPI0709310A2 (pt) 2011-07-05
AU2007308416B2 (en) 2010-07-08
NO341610B1 (no) 2017-12-11
CN101405791B (zh) 2012-01-11
TW200836166A (en) 2008-09-01
JP4936569B2 (ja) 2012-05-23
EP2076901B8 (en) 2017-08-16
AU2007308415B2 (en) 2010-08-26
ES2328187T3 (es) 2009-11-10
HK1251073A1 (zh) 2019-01-18
AU2007308415A1 (en) 2008-05-02
IL193786A (en) 2011-11-30
EP4325724B1 (en) 2024-08-28
USRE49999E1 (en) 2024-06-04
JP5083779B2 (ja) 2012-11-28
US8452605B2 (en) 2013-05-28
EP2076901A1 (en) 2009-07-08
EP4207189B1 (en) 2023-11-22
EP4325723A2 (en) 2024-02-21
TWI355649B (en) 2012-01-01
RU2411645C2 (ru) 2011-02-10
NO341567B1 (no) 2017-12-04
NO20091951L (no) 2009-07-22
USRE50157E1 (en) 2024-10-01
CA2645618C (en) 2013-01-22
TWI357065B (en) 2012-01-21
EP2109098A3 (en) 2017-06-21
PL2076901T3 (pl) 2017-09-29
EP4325724A3 (en) 2024-04-17
CA2667505A1 (en) 2008-05-02
EP4325723A3 (en) 2024-04-17
EP4325723B1 (en) 2024-08-28
EP3288027B1 (en) 2021-04-07
EP4300824A3 (en) 2024-03-20
ZA200810308B (en) 2009-12-30
DE602007001460D1 (de) 2009-08-13
USRE50144E1 (en) 2024-09-24
AU2007308416A1 (en) 2008-05-02
AR063400A1 (es) 2009-01-28
PL3848928T3 (pl) 2023-07-17
EP3848928A1 (en) 2021-07-14
PT3288027T (pt) 2021-07-07
HK1119824A1 (en) 2009-03-13
CA2645618A1 (en) 2008-05-02
IL197976A0 (en) 2009-12-24
ES2873254T3 (es) 2021-11-03
EP4325724C0 (en) 2024-08-28
EP4300824C0 (en) 2024-08-28
EP4300825A3 (en) 2024-03-20
WO2008049589A1 (en) 2008-05-02
MX2008011898A (es) 2008-11-06
EP4207189C0 (en) 2023-11-22
EP4300825C0 (en) 2024-08-28
CN101405791A (zh) 2009-04-08
EP4207189A1 (en) 2023-07-05
RU2420815C2 (ru) 2011-06-10
PL1994530T3 (pl) 2009-12-31
TW200837719A (en) 2008-09-16
MY148715A (en) 2013-05-31
EP3848928B1 (en) 2023-03-15
PL2109098T3 (pl) 2021-03-08
KR20080102222A (ko) 2008-11-24
JP2009530675A (ja) 2009-08-27
USRE50132E1 (en) 2024-09-17
NO342691B1 (no) 2018-07-09
MX2009004477A (es) 2009-05-13
EP4300825A2 (en) 2024-01-03
EP1994530A1 (en) 2008-11-26
EP2109098A2 (en) 2009-10-14
USRE50015E1 (en) 2024-06-18
PL4207189T3 (pl) 2024-04-08
CN101606194B (zh) 2012-06-27
AR063394A1 (es) 2009-01-28
PL3288027T3 (pl) 2021-10-18
US20130238343A1 (en) 2013-09-12
EP4325723C0 (en) 2024-08-28
WO2008049590A1 (en) 2008-05-02
BRPI0709310B1 (pt) 2019-11-05
CN101606194A (zh) 2009-12-16
PT2076901T (pt) 2017-08-23

Similar Documents

Publication Publication Date Title
HK1251073A1 (zh) 用於產生音訊子帶值的裝置與方法以及用於產生時域音訊採樣的裝置和方法
GB2476613B (en) Apparatus and method for sound reproduction
HK1153304A1 (en) Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
GB2434513B (en) Audio reproducing apparatus and method thereof
EP2259253A4 (en) METHOD AND DEVICE FOR PROCESSING SOUND SIGNALS
EP2251696A4 (en) Analysis apparatus and analysis method
EP2044524A4 (en) METHOD AND DEVICE FOR QUICK AUDIO SEARCH
GB2443291B (en) Audio processing method and audio processing apparatus
GB2450788B (en) Apparatus and method for evaluating audio communications
EP2097888A4 (en) ELECTRONIC SYSTEM, METHOD AND DEVICES FOR TEACHING AND CHECKING MUSIC
GB2459008B (en) Music piece reproducing apparatus and music piece reproducing method
GB2436422B (en) Audio process and apparatus
EP2021789A4 (en) DEVICE AND METHOD FOR IMPROVING MASS SPECTROSCOPY
EP2119308A4 (en) METHOD AND DEVICE FOR CHANGING A TONE SIGNAL
GB201017960D0 (en) Apparatus and method for obtaining formation samples
EP2048498A4 (en) ANALYSIS PROCEDURE AND ANALYSIS DEVICE
TWI348873B (en) Apparatus and method for audio test
GB0616166D0 (en) Methods of and apparatus for generating multiple samples of materials
TWI371981B (en) Apparatus and method for synthesizing sterophonic sound
IL200984A0 (en) Speech samples library for text-to-speech and methods and apparatus for generating and using same
TWI349431B (en) Sound volume adjustment apparatus and method thereof
GB0817986D0 (en) Sound reproduction apparatus and method
AU2007900454A0 (en) Method and apparatus for analysing geological features