PL1994530T3 - Urządzenie i sposób generowania wartości podzakresów sygnału audio oraz urządzenie i sposób generowania próbek sygnału audio w dziedzinie czasu - Google Patents

Urządzenie i sposób generowania wartości podzakresów sygnału audio oraz urządzenie i sposób generowania próbek sygnału audio w dziedzinie czasu

Info

Publication number
PL1994530T3
PL1994530T3 PL07819260T PL07819260T PL1994530T3 PL 1994530 T3 PL1994530 T3 PL 1994530T3 PL 07819260 T PL07819260 T PL 07819260T PL 07819260 T PL07819260 T PL 07819260T PL 1994530 T3 PL1994530 T3 PL 1994530T3
Authority
PL
Poland
Prior art keywords
generating
subband values
audio
audio samples
domain audio
Prior art date
Application number
PL07819260T
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 PL1994530T3 publication Critical patent/PL1994530T3/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
    • 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
    • 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
    • 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)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Liquid Crystal Substances (AREA)
  • Tires In General (AREA)
  • External Artificial Organs (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Peptides Or Proteins (AREA)
  • Materials For Photolithography (AREA)
PL07819260T 2006-10-25 2007-10-23 Urządzenie i sposób generowania wartości podzakresów sygnału audio oraz urządzenie i sposób generowania próbek sygnału audio w dziedzinie czasu PL1994530T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US86295406P 2006-10-25 2006-10-25
PCT/EP2007/009200 WO2008049590A1 (en) 2006-10-25 2007-10-23 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
EP07819260A EP1994530B1 (en) 2006-10-25 2007-10-23 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples

Publications (1)

Publication Number Publication Date
PL1994530T3 true PL1994530T3 (pl) 2009-12-31

Family

ID=39048961

Family Applications (10)

Application Number Title Priority Date Filing Date
PL07819260T PL1994530T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób generowania wartości podzakresów sygnału audio oraz urządzenie i sposób generowania próbek sygnału audio w dziedzinie czasu
PL23210951.2T PL4325723T3 (pl) 2006-10-25 2007-10-23 Sposób przetwarzania sygnału audio
PL21160250.3T PL3848928T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania wartości podpasm audio o wartościach zespolonych
PL23210978.5T PL4300825T3 (pl) 2006-10-25 2007-10-23 Urządzenie do przetwarzania sygnału audio
PL09010010T PL2109098T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania próbek audio w dziedzinie czasu
PL07819259T PL2076901T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania wartości podpasm audio i urządzenie i sposób do generowania próbek audio w dziedzinie czasu
PL23157260.3T PL4207189T3 (pl) 2006-10-25 2007-10-23 Urządzenie oraz sposób do generowania próbek audio w dziedzinie czasu
PL17169583T PL3288027T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania wartości podpasm audio o wartościach zespolonych
PL23210959.5T PL4325724T3 (pl) 2006-10-25 2007-10-23 Sposób przetwarzania sygnału audio
PL23210953.8T PL4300824T3 (pl) 2006-10-25 2007-10-23 Sposób przetwarzania sygnału audio

Family Applications After (9)

Application Number Title Priority Date Filing Date
PL23210951.2T PL4325723T3 (pl) 2006-10-25 2007-10-23 Sposób przetwarzania sygnału audio
PL21160250.3T PL3848928T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania wartości podpasm audio o wartościach zespolonych
PL23210978.5T PL4300825T3 (pl) 2006-10-25 2007-10-23 Urządzenie do przetwarzania sygnału audio
PL09010010T PL2109098T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania próbek audio w dziedzinie czasu
PL07819259T PL2076901T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania wartości podpasm audio i urządzenie i sposób do generowania próbek audio w dziedzinie czasu
PL23157260.3T PL4207189T3 (pl) 2006-10-25 2007-10-23 Urządzenie oraz sposób do generowania próbek audio w dziedzinie czasu
PL17169583T PL3288027T3 (pl) 2006-10-25 2007-10-23 Urządzenie i sposób do generowania wartości podpasm audio o wartościach zespolonych
PL23210959.5T PL4325724T3 (pl) 2006-10-25 2007-10-23 Sposób przetwarzania sygnału audio
PL23210953.8T PL4300824T3 (pl) 2006-10-25 2007-10-23 Sposób przetwarzania sygnału audio

Country Status (25)

Country Link
US (12) US8438015B2 (pl)
EP (10) EP2109098B1 (pl)
JP (2) JP5083779B2 (pl)
KR (2) KR101056253B1 (pl)
CN (2) CN101405791B (pl)
AR (2) AR063394A1 (pl)
AT (1) ATE435480T1 (pl)
AU (2) AU2007308415B2 (pl)
BR (2) BRPI0709310B1 (pl)
CA (2) CA2645618C (pl)
DE (1) DE602007001460D1 (pl)
DK (2) DK3848928T3 (pl)
ES (10) ES2996584T3 (pl)
FI (1) FI3848928T3 (pl)
HU (5) HUE068021T2 (pl)
IL (2) IL193786A (pl)
MX (2) MX2009004477A (pl)
MY (2) MY148715A (pl)
NO (3) NO341567B1 (pl)
PL (10) PL1994530T3 (pl)
PT (5) PT3848928T (pl)
RU (2) RU2411645C2 (pl)
TW (2) TWI355649B (pl)
WO (2) WO2008049589A1 (pl)
ZA (2) ZA200810308B (pl)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8126721B2 (en) * 2006-10-18 2012-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding an information signal
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
ES2996584T3 (en) 2006-10-25 2025-02-12 Fraunhofer Ges Forschung Method for audio signal processing
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
EP2077551B1 (en) * 2008-01-04 2011-03-02 Dolby Sweden 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
EP2770751B1 (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
PL2945159T3 (pl) * 2008-12-15 2018-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder audio i dekoder powiększania szerokości pasma
EP2953131B1 (en) 2009-01-28 2017-07-26 Dolby International AB Improved harmonic transposition
ES3010456T3 (en) 2009-01-28 2025-04-03 Dolby Int Ab Improved harmonic transposition
TWI559679B (zh) * 2009-02-18 2016-11-21 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
US8392200B2 (en) 2009-04-14 2013-03-05 Qualcomm Incorporated Low complexity spectral band replication (SBR) filterbanks
US9299362B2 (en) 2009-06-29 2016-03-29 Mitsubishi Electric Corporation Audio signal processing device
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
KR101701759B1 (ko) 2009-09-18 2017-02-03 돌비 인터네셔널 에이비 입력 신호를 전위시키기 위한 시스템 및 방법, 및 상기 방법을 수행하기 위한 컴퓨터 프로그램이 기록된 컴퓨터 판독가능 저장 매체
PL4451267T3 (pl) 2009-10-21 2025-06-23 Dolby International Ab Nadpróbkowanie w banku filtrów połączonym z modułem transpozycji
WO2011065287A1 (ja) * 2009-11-30 2011-06-03 三菱電機株式会社 分波装置、合波装置および中継装置
KR102478321B1 (ko) 2010-01-19 2022-12-19 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
MX2012011802A (es) * 2010-04-13 2013-02-26 Fraunhofer Ges Forschung Metodo y codificador y descodificador para la presentacion precisa de muestra de una señal de audio.
US9443534B2 (en) * 2010-04-14 2016-09-13 Huawei Technologies Co., Ltd. Bandwidth extension system and approach
KR102095385B1 (ko) 2010-07-19 2020-03-31 돌비 인터네셔널 에이비 고주파 복원 동안 오디오 신호들의 프로세싱
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.
AU2012217158B2 (en) 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
ES2715191T3 (es) 2011-02-14 2019-06-03 Fraunhofer Ges Forschung Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
SG192734A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
EP2676270B1 (en) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding a portion of an audio signal using a transient detection and a quality result
ES2534972T3 (es) 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predicción lineal basada en esquema de codificación utilizando conformación de ruido de dominio 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
USRE48258E1 (en) 2011-11-11 2020-10-13 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
MX378911B (es) * 2013-02-05 2025-03-10 Ericsson Telefon Ab L M Método y aparato para controlar ocultación de pérdida de trama de audio.
MY176447A (en) 2013-04-05 2020-08-10 Dolby Int Ab Audio encoder and decoder
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
ES2688134T3 (es) 2013-04-05 2018-10-31 Dolby International Ab Codificador y decodificador de audio para codificación de forma de onda intercalada
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
EP2830056A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
US10510355B2 (en) 2013-09-12 2019-12-17 Dolby International Ab Time-alignment of QMF based processing data
EP4120699A1 (en) 2013-09-17 2023-01-18 Wilus Institute of Standards and Technology Inc. Method and apparatus for processing multimedia signals
US10204630B2 (en) 2013-10-22 2019-02-12 Electronics And Telecommunications Research Instit Ute Method for generating filter for audio signal and parameterizing device therefor
KR102244613B1 (ko) * 2013-10-28 2021-04-26 삼성전자주식회사 Ｑｍｆ 필터링 방법 및 이를 수행하는 장치
JP6151866B2 (ja) 2013-12-23 2017-06-21 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド オーディオ信号のフィルタ生成方法およびそのためのパラメータ化装置
CN106105269B (zh) 2014-03-19 2018-06-19 韦勒斯标准与技术协会公司 音频信号处理方法和设备
EP3128766A4 (en) 2014-04-02 2018-01-03 Wilus Institute of Standards and Technology Inc. Audio signal processing method and device
EP4002359B1 (en) * 2014-06-10 2025-09-03 Lenbrook Industries Limited Digital encapsulation of audio signals
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
TWI894122B (zh) 2015-03-13 2025-08-11 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
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
JP6883047B2 (ja) * 2016-03-07 2021-06-02 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 適切に復号されたオーディオフレームの復号化表現の特性を使用する誤り隠蔽ユニット、オーディオデコーダ、および関連する方法およびコンピュータプログラム
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
MY209301A (en) 2019-03-06 2025-07-01 Fraunhofer Ges Zur Frderung Der Angewandten Forschung E V Downmixer and method of downmixing
TW202516861A (zh) 2019-06-26 2025-04-16 美商杜拜研究特許公司 具有改善頻率解析度的低延遲音訊濾波器組
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
CN120455924A (zh) 2019-09-03 2025-08-08 杜比实验室特许公司 具有解相关分量的音频滤波器组
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
MX2022015650A (es) 2020-06-11 2023-03-06 Dolby Int Ab Ocultacion de perdida de trama para un canal de efectos de baja frecuencia.
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
ES2044596T3 (es) 1989-05-17 1994-01-01 Telefunken Fernseh & Rundfunk Procedimiento para la transmision de una se\al.
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
EP1019906B1 (en) 1997-01-27 2004-06-16 Entropic Research Laboratory Inc. A 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
JP4106624B2 (ja) 2001-06-29 2008-06-25 株式会社ケンウッド 信号の周波数成分を補間するための装置および方法
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
WO2004027368A1 (en) * 2002-09-19 2004-04-01 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
CN1914669A (zh) 2004-01-28 2007-02-14 皇家飞利浦电子股份有限公司 使用复数值数据的音频信号解码
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
WO2006000020A1 (en) 2004-06-29 2006-01-05 European Nickel Plc Improved leaching of base metals
MX2007012185A (es) * 2005-04-01 2007-12-11 Qualcomm Inc Metodo y aparato para cuantificacion de vector de una representacion de envoltura espectral.
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
ES2996584T3 (en) 2006-10-25 2025-02-12 Fraunhofer Ges Forschung Method for audio signal processing
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
MY148715A (en) 2013-05-31
IL193786A (en) 2011-11-30
EP4325723A2 (en) 2024-02-21
AU2007308415A1 (en) 2008-05-02
CN101405791B (zh) 2012-01-11
PL4325724T3 (pl) 2024-11-04
PT3848928T (pt) 2023-06-07
EP4300825A3 (en) 2024-03-20
BRPI0709310B1 (pt) 2019-11-05
EP4325724B1 (en) 2024-08-28
AU2007308416A1 (en) 2008-05-02
HUE068020T2 (hu) 2024-12-28
USRE50157E1 (en) 2024-10-01
EP4325724C0 (en) 2024-08-28
DE602007001460D1 (de) 2009-08-13
EP3288027B1 (en) 2021-04-07
US8438015B2 (en) 2013-05-07
EP4325723B1 (en) 2024-08-28
WO2008049589A1 (en) 2008-05-02
EP4300825C0 (en) 2024-08-28
US20130238343A1 (en) 2013-09-12
PL2109098T3 (pl) 2021-03-08
USRE50054E1 (en) 2024-07-23
RU2008137468A (ru) 2010-03-27
USRE50159E1 (en) 2024-10-01
PT2076901T (pt) 2017-08-23
EP4325723A3 (en) 2024-04-17
RU2009119456A (ru) 2010-11-27
CA2645618A1 (en) 2008-05-02
PL4207189T3 (pl) 2024-04-08
EP2076901B1 (en) 2017-05-10
MX2008011898A (es) 2008-11-06
ATE435480T1 (de) 2009-07-15
ES2328187T3 (es) 2009-11-10
IL197976A0 (en) 2009-12-24
USRE50194E1 (en) 2024-10-29
HUE068326T2 (hu) 2024-12-28
JP4936569B2 (ja) 2012-05-23
US8775193B2 (en) 2014-07-08
EP4300824B1 (en) 2024-08-28
EP4325724A3 (en) 2024-04-17
PL4325723T3 (pl) 2024-11-04
WO2008049590A1 (en) 2008-05-02
CN101606194A (zh) 2009-12-16
HUE068022T2 (hu) 2024-12-28
EP4325724A2 (en) 2024-02-21
JP2010507820A (ja) 2010-03-11
EP4207189A1 (en) 2023-07-05
HUE064482T2 (hu) 2024-03-28
AR063400A1 (es) 2009-01-28
EP4300824A3 (en) 2024-03-20
ZA200810308B (en) 2009-12-30
NO341610B1 (no) 2017-12-11
EP2076901A1 (en) 2009-07-08
EP4207189B1 (en) 2023-11-22
PT2109098T (pt) 2020-12-18
KR20080102222A (ko) 2008-11-24
PL3288027T3 (pl) 2021-10-18
CN101405791A (zh) 2009-04-08
HK1251073A1 (en) 2019-01-18
TW200837719A (en) 2008-09-16
PT1994530E (pt) 2009-10-09
NO20170452A1 (no) 2009-07-22
USRE50144E1 (en) 2024-09-24
CA2667505C (en) 2015-07-07
USRE50009E1 (en) 2024-06-11
PT3288027T (pt) 2021-07-07
CN101606194B (zh) 2012-06-27
TWI357065B (en) 2012-01-21
DK1994530T3 (da) 2009-08-31
PL4300825T3 (pl) 2024-11-04
NO342691B1 (no) 2018-07-09
US8452605B2 (en) 2013-05-28
US20090319283A1 (en) 2009-12-24
ES2834024T3 (es) 2021-06-16
EP4300824C0 (en) 2024-08-28
USRE50132E1 (en) 2024-09-17
FI3848928T3 (fi) 2023-06-02
EP2109098B1 (en) 2020-09-09
ES2873254T3 (es) 2021-11-03
EP3848928A1 (en) 2021-07-14
EP4300825A2 (en) 2024-01-03
ES2992734T3 (en) 2024-12-17
BRPI0716315A2 (pt) 2017-05-30
PL2076901T3 (pl) 2017-09-29
BRPI0709310A2 (pt) 2011-07-05
PL4300824T3 (pl) 2024-10-28
PL3848928T3 (pl) 2023-07-17
EP4325723C0 (en) 2024-08-28
KR100957711B1 (ko) 2010-05-12
USRE49999E1 (en) 2024-06-04
ES2966657T3 (es) 2024-04-23
AU2007308415B2 (en) 2010-08-26
CA2667505A1 (en) 2008-05-02
ES2996584T3 (en) 2025-02-12
NO341567B1 (no) 2017-12-04
KR101056253B1 (ko) 2011-08-11
ES2947516T3 (es) 2023-08-10
TWI355649B (en) 2012-01-01
JP5083779B2 (ja) 2012-11-28
EP3848928B1 (en) 2023-03-15
DK3848928T3 (da) 2023-06-19
USRE50015E1 (en) 2024-06-18
NO20084012L (no) 2009-07-22
JP2009530675A (ja) 2009-08-27
EP1994530A1 (en) 2008-11-26
EP2109098A2 (en) 2009-10-14
HUE068021T2 (hu) 2024-12-28
EP1994530B1 (en) 2009-07-01
AR063394A1 (es) 2009-01-28
EP3288027A1 (en) 2018-02-28
HK1119824A1 (en) 2009-03-13
KR20090058029A (ko) 2009-06-08
AU2007308416B2 (en) 2010-07-08
TW200836166A (en) 2008-09-01
MX2009004477A (es) 2009-05-13
CA2645618C (en) 2013-01-22
IL197976A (en) 2014-03-31
MY142520A (en) 2010-12-15
US20100023322A1 (en) 2010-01-28
RU2420815C2 (ru) 2011-06-10
EP4207189C0 (en) 2023-11-22
EP2076901B8 (en) 2017-08-16
EP4300824A2 (en) 2024-01-03
EP4300825B1 (en) 2024-08-28
ES2631906T3 (es) 2017-09-06
ES2993632T3 (en) 2025-01-03
ZA200902199B (en) 2010-04-28
ES2993633T3 (en) 2025-01-03
EP2109098A3 (en) 2017-06-21
RU2411645C2 (ru) 2011-02-10
NO20091951L (no) 2009-07-22

Similar Documents

Publication Publication Date Title
ZA200810308B (en) Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
GB2476613B (en) Apparatus and method for sound reproduction
IL209095A0 (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
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
EP2044524A4 (en) METHOD AND DEVICE FOR QUICK AUDIO SEARCH
GB0520840D0 (en) Apparatus and method for the manufacture of audio books
EP2119308A4 (en) METHOD AND DEVICE FOR CHANGING A TONE SIGNAL
GB2441360B (en) Amplifier apparatus and method
GB2436422B (en) Audio process and apparatus
GB2441363B (en) Amplifier apparatus and method
GB201017960D0 (en) Apparatus and method for obtaining formation samples
GB2441361B (en) Amplifier apparatus and method
GB2441362B (en) Amplifier apparatus and method
GB0616166D0 (en) Methods of and apparatus for generating multiple samples of materials
GB0613972D0 (en) Method and apparatus for media content provision
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