PL3079153T3 - Dekodowanie audio z późniejszym filtrowaniem selektywnym - Google Patents

Dekodowanie audio z późniejszym filtrowaniem selektywnym

Info

Publication number
PL3079153T3
PL3079153T3 PL16166357T PL16166357T PL3079153T3 PL 3079153 T3 PL3079153 T3 PL 3079153T3 PL 16166357 T PL16166357 T PL 16166357T PL 16166357 T PL16166357 T PL 16166357T PL 3079153 T3 PL3079153 T3 PL 3079153T3
Authority
PL
Poland
Prior art keywords
audio decoding
post filtering
selective post
selective
filtering
Prior art date
Application number
PL16166357T
Other languages
English (en)
Inventor
Barbara Resch
Kristofer Kjoerling
Lars Villemoes
Original Assignee
Dolby International Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44504387&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL3079153(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby International Ab filed Critical Dolby International Ab
Publication of PL3079153T3 publication Critical patent/PL3079153T3/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
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L19/04—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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • 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
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • G10L21/007—Changing voice quality, e.g. pitch or formants characterised by the process used
    • 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
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • G10L21/007—Changing voice quality, e.g. pitch or formants characterised by the process used
    • G10L21/013—Adapting to target pitch
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

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)
  • General Physics & Mathematics (AREA)
  • Algebra (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)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Fats And Perfumes (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Stereo-Broadcasting Methods (AREA)
PL16166357T 2010-07-02 2011-06-23 Dekodowanie audio z późniejszym filtrowaniem selektywnym PL3079153T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US36123710P 2010-07-02 2010-07-02
EP11743032.2A EP2589046B1 (en) 2010-07-02 2011-06-23 Selective post filter
PCT/EP2011/060555 WO2012000882A1 (en) 2010-07-02 2011-06-23 Selective bass post filter
EP14164773.5A EP2757560B1 (en) 2010-07-02 2011-06-23 Audio decoding with selective post-filter
EP16166357.0A EP3079153B1 (en) 2010-07-02 2011-06-23 Audio decoding with selective post filtering

Publications (1)

Publication Number Publication Date
PL3079153T3 true PL3079153T3 (pl) 2018-12-31

Family

ID=44504387

Family Applications (2)

Application Number Title Priority Date Filing Date
PL16166356T PL3079152T3 (pl) 2010-07-02 2011-06-23 Dekodowanie audio z selektywnym późniejszym filtrowaniem
PL16166357T PL3079153T3 (pl) 2010-07-02 2011-06-23 Dekodowanie audio z późniejszym filtrowaniem selektywnym

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL16166356T PL3079152T3 (pl) 2010-07-02 2011-06-23 Dekodowanie audio z selektywnym późniejszym filtrowaniem

Country Status (17)

Country Link
US (15) US9224403B2 (pl)
EP (11) EP3971893B1 (pl)
JP (14) JP6178236B2 (pl)
KR (13) KR101972762B1 (pl)
CN (7) CN105355209B (pl)
AU (1) AU2011273680B2 (pl)
CA (14) CA3207181C (pl)
DK (2) DK3079153T3 (pl)
ES (9) ES2984913T3 (pl)
HU (2) HUE038985T2 (pl)
IL (11) IL317312A (pl)
MX (1) MX2012014525A (pl)
MY (6) MY176187A (pl)
PL (2) PL3079152T3 (pl)
RU (6) RU2562422C2 (pl)
SG (7) SG10201901308TA (pl)
WO (1) WO2012000882A1 (pl)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101972762B1 (ko) 2010-07-02 2019-04-29 돌비 인터네셔널 에이비 선택적인 베이스 포스트 필터
JP6253674B2 (ja) 2013-01-29 2017-12-27 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 符号化信号を処理する装置および方法、並びに符号化信号を生成するエンコーダおよび方法
BR112015025022B1 (pt) 2013-04-05 2022-03-29 Dolby International Ab Método de decodificação, decodificador em um sistema de processamento de áudio, método de codificação, e codificador em um sistema de processamento de áudio
US9723425B2 (en) 2013-06-18 2017-08-01 Dolby Laboratories Licensing Corporation Bass management for audio rendering
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
ES2700246T3 (es) * 2013-08-28 2019-02-14 Dolby Laboratories Licensing Corp Mejora paramétrica de la voz
US9666202B2 (en) 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
US9685166B2 (en) 2014-07-26 2017-06-20 Huawei Technologies Co., Ltd. Classification between time-domain coding and frequency domain coding
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
EP2980799A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal using a harmonic post-filter
EP2980798A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Harmonicity-dependent controlling of a harmonic filter tool
CN105957534B (zh) * 2016-06-28 2019-05-03 百度在线网络技术（北京）有限公司 自适应滤波方法和自适应滤波器
TWI901543B (zh) 2017-03-23 2025-10-11 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
JP7038519B2 (ja) * 2017-10-12 2022-03-18 株式会社バンダイナムコエンターテインメント コンテンツ配信システム、コンピュータシステム及びコンテンツ配信方法
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483883A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
US10475456B1 (en) * 2018-06-04 2019-11-12 Qualcomm Incorporated Smart coding mode switching in audio rate adaptation
CA3156634A1 (en) 2019-10-30 2021-05-06 Dolby Laboratories Licensing Corporation Bitrate distribution in immersive voice and audio services
WO2021119102A1 (en) 2019-12-09 2021-06-17 Dolby Laboratories Licensing Corporation Adjusting audio and non-audio features based on noise metrics and speech intelligibility metrics
EP4139919B1 (en) 2020-04-24 2024-10-30 Telefonaktiebolaget LM ERICSSON (PUBL) Low cost adaptation of bass post-filter
CN113870878B (zh) 2020-06-30 2025-07-04 微软技术许可有限责任公司 语音增强
JP7416134B1 (ja) 2022-07-01 2024-01-17 Ｔｏｐｐａｎホールディングス株式会社 検出装置

Family Cites Families (169)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052568A (en) * 1976-04-23 1977-10-04 Communications Satellite Corporation Digital voice switch
US4696040A (en) * 1983-10-13 1987-09-22 Texas Instruments Incorporated Speech analysis/synthesis system with energy normalization and silence suppression
US4617676A (en) * 1984-09-04 1986-10-14 At&T Bell Laboratories Predictive communication system filtering arrangement
US4969192A (en) 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
US4896361A (en) * 1988-01-07 1990-01-23 Motorola, Inc. Digital speech coder having improved vector excitation source
JP3274451B2 (ja) * 1990-02-23 2002-04-15 株式会社東芝 適応ポストフィルタ及び適応ポストフィルタリング方法
FI95085C (fi) * 1992-05-11 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin digitaaliseksi koodaamiseksi sekä puhekooderi menetelmän suorittamiseksi
US5434947A (en) * 1993-02-23 1995-07-18 Motorola Method for generating a spectral noise weighting filter for use in a speech coder
JPH06250697A (ja) * 1993-02-26 1994-09-09 Fujitsu Ltd 音声符号化方法及び音声符号化装置並びに音声復号化方法及び音声復号化装置
CA2094780A1 (en) 1993-04-23 1994-10-24 Claude Laflamme Transform coded excitation for speech and audio coding
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
CA2121667A1 (en) 1994-04-19 1995-10-20 Jean-Pierre Adoul Differential-transform-coded excitation for speech and audio coding
JP2964879B2 (ja) * 1994-08-22 1999-10-18 日本電気株式会社 ポストフィルタ
US6263307B1 (en) * 1995-04-19 2001-07-17 Texas Instruments Incorporated Adaptive weiner filtering using line spectral frequencies
US5664055A (en) 1995-06-07 1997-09-02 Lucent Technologies Inc. CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity
JPH0946268A (ja) 1995-07-26 1997-02-14 Toshiba Corp ディジタル音声通信装置
JPH0950298A (ja) * 1995-08-07 1997-02-18 Mitsubishi Electric Corp 音声符号化装置及び音声復号化装置
JP3483998B2 (ja) * 1995-09-14 2004-01-06 株式会社東芝 ピッチ強調方法および装置
US5864798A (en) 1995-09-18 1999-01-26 Kabushiki Kaisha Toshiba Method and apparatus for adjusting a spectrum shape of a speech signal
TW321810B (pl) 1995-10-26 1997-12-01 Sony Co Ltd
JP3707116B2 (ja) * 1995-10-26 2005-10-19 ソニー株式会社 音声復号化方法及び装置
US5778335A (en) 1996-02-26 1998-07-07 The Regents Of The University Of California Method and apparatus for efficient multiband celp wideband speech and music coding and decoding
EP0954851A1 (en) 1996-02-26 1999-11-10 AT&T Corp. Multi-stage speech coder with transform coding of prediction residual signals with quantization by auditory models
JP2940464B2 (ja) * 1996-03-27 1999-08-25 日本電気株式会社 音声復号化装置
US5802109A (en) 1996-03-28 1998-09-01 Nec Corporation Speech encoding communication system
JPH09319397A (ja) * 1996-05-28 1997-12-12 Sony Corp ディジタル信号処理装置
JP3183826B2 (ja) 1996-06-06 2001-07-09 三菱電機株式会社 音声符号化装置及び音声復号化装置
TW416044B (en) * 1996-06-19 2000-12-21 Texas Instruments Inc Adaptive filter and filtering method for low bit rate coding
JP2974059B2 (ja) * 1996-07-18 1999-11-08 日本電気株式会社 ピッチポストフィルタ装置
JPH10143195A (ja) * 1996-11-14 1998-05-29 Olympus Optical Co Ltd ポストフィルタ
SE9700772D0 (sv) * 1997-03-03 1997-03-03 Ericsson Telefon Ab L M A high resolution post processing method for a speech decoder
JPH113099A (ja) * 1997-04-16 1999-01-06 Mitsubishi Electric Corp 音声符号化復号化システム、音声符号化装置及び音声復号化装置
US6073092A (en) * 1997-06-26 2000-06-06 Telogy Networks, Inc. Method for speech coding based on a code excited linear prediction (CELP) model
US6114859A (en) 1997-07-14 2000-09-05 Nissin Electric Co., Ltd. Harmonic characteristic measuring method and harmonic characteristic measuring apparatus
US6385195B2 (en) 1997-07-21 2002-05-07 Telefonaktiebolaget L M Ericsson (Publ) Enhanced interworking function for interfacing digital cellular voice and fax protocols and internet protocols
FI980132A7 (fi) 1998-01-21 1999-07-22 Nokia Mobile Phones Ltd Adaptoituva jälkisuodatin
ES2247741T3 (es) 1998-01-22 2006-03-01 Deutsche Telekom Ag Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio.
JP3986150B2 (ja) 1998-01-27 2007-10-03 興和株式会社 一次元データへの電子透かし
TW376611B (en) * 1998-05-26 1999-12-11 Koninkl Philips Electronics Nv Transmission system with improved speech encoder
CN1134762C (zh) 1998-05-27 2004-01-14 Ntt移动通信网株式会社 语音译码器和语音译码方法
US6098036A (en) * 1998-07-13 2000-08-01 Lockheed Martin Corp. Speech coding system and method including spectral formant enhancer
JP4308345B2 (ja) * 1998-08-21 2009-08-05 パナソニック株式会社 マルチモード音声符号化装置及び復号化装置
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
KR100281181B1 (ko) * 1998-10-16 2001-02-01 윤종용 약전계에서 코드 분할 다중 접속 시스템의 코덱 잡음 제거 방법
JP2000206999A (ja) * 1999-01-19 2000-07-28 Nec Corp 音声符号伝送装置
DE60035453T2 (de) * 1999-05-11 2008-03-20 Nippon Telegraph And Telephone Corp. Auswahl des Synthesefilters für eine CELP Kodierung von breitbandigen Audiosignalen
US6959274B1 (en) * 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
US7222070B1 (en) 1999-09-22 2007-05-22 Texas Instruments Incorporated Hybrid speech coding and system
US6782360B1 (en) 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
JP3559485B2 (ja) 1999-11-22 2004-09-02 日本電信電話株式会社 音声信号の後処理方法および装置並びにプログラムを記録した記録媒体
WO2001052241A1 (fr) 2000-01-11 2001-07-19 Matsushita Electric Industrial Co., Ltd. Dispositif de codage vocal multimode et dispositif de decodage
US20020016161A1 (en) * 2000-02-10 2002-02-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for compression of speech encoded parameters
JP2001249700A (ja) * 2000-03-06 2001-09-14 Oki Electric Ind Co Ltd 音声符号化装置及び音声復号装置
CN1432176A (zh) * 2000-04-24 2003-07-23 高通股份有限公司 用于预测量化有声语音的方法和设备
US6862567B1 (en) * 2000-08-30 2005-03-01 Mindspeed Technologies, Inc. Noise suppression in the frequency domain by adjusting gain according to voicing parameters
JP2002149200A (ja) 2000-08-31 2002-05-24 Matsushita Electric Ind Co Ltd 音声処理装置及び音声処理方法
US7020605B2 (en) * 2000-09-15 2006-03-28 Mindspeed Technologies, Inc. Speech coding system with time-domain noise attenuation
US6615169B1 (en) * 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
US6658383B2 (en) 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US6941263B2 (en) 2001-06-29 2005-09-06 Microsoft Corporation Frequency domain postfiltering for quality enhancement of coded speech
US7110942B2 (en) 2001-08-14 2006-09-19 Broadcom Corporation Efficient excitation quantization in a noise feedback coding system using correlation techniques
US7353168B2 (en) * 2001-10-03 2008-04-01 Broadcom Corporation Method and apparatus to eliminate discontinuities in adaptively filtered signals
US6785645B2 (en) 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
EP1466320B1 (en) 2001-11-30 2007-02-07 Koninklijke Philips Electronics N.V. Signal coding
JP3733588B2 (ja) * 2001-12-13 2006-01-11 日本電気株式会社 音声復号化装置、及び、音声復号化方法
US20040002856A1 (en) * 2002-03-08 2004-01-01 Udaya Bhaskar Multi-rate frequency domain interpolative speech CODEC system
CA2388352A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for frequency-selective pitch enhancement of synthesized speed
JP2004053676A (ja) 2002-07-16 2004-02-19 Mitsubishi Electric Corp 音声符号化装置および復号装置
US7191136B2 (en) 2002-10-01 2007-03-13 Ibiquity Digital Corporation Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband
US7330812B2 (en) 2002-10-04 2008-02-12 National Research Council Of Canada Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel
JP2004302257A (ja) * 2003-03-31 2004-10-28 Matsushita Electric Ind Co Ltd 長期ポストフィルタ
DE10328777A1 (de) 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
CN1288557C (zh) * 2003-06-25 2006-12-06 英业达股份有限公司 多执行线程同时停止的方法
US20050004793A1 (en) 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
CN1212608C (zh) * 2003-09-12 2005-07-27 中国科学院声学研究所 一种采用后置滤波器的多通道语音增强方法
WO2005041170A1 (en) * 2003-10-24 2005-05-06 Nokia Corpration Noise-dependent postfiltering
US7478040B2 (en) 2003-10-24 2009-01-13 Broadcom Corporation Method for adaptive filtering
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
FI118835B (fi) 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
FI118834B (fi) 2004-02-23 2008-03-31 Nokia Corp Audiosignaalien luokittelu
US7392195B2 (en) 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
FI119533B (fi) 2004-04-15 2008-12-15 Nokia Corp Audiosignaalien koodaus
GB0408856D0 (en) 2004-04-21 2004-05-26 Nokia Corp Signal encoding
DE602004008676T2 (de) 2004-05-17 2008-06-05 Nokia Corp. Audiocodierung mit verschiedenen codierungsmodellen
BRPI0418838A (pt) 2004-05-17 2007-11-13 Nokia Corp método para suportar uma codificação de um sinal de áudio, módulo para suportar uma codificação de um sinal de áudio, dispositivo eletrÈnico, sistema de codificação de áudio, e, produto de programa de software
US7739120B2 (en) 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
US7596486B2 (en) 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
US20060047522A1 (en) 2004-08-26 2006-03-02 Nokia Corporation Method, apparatus and computer program to provide predictor adaptation for advanced audio coding (AAC) system
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
KR100640468B1 (ko) * 2005-01-25 2006-10-31 삼성전자주식회사 디지털 통신 시스템에서 음성 패킷의 전송과 처리 장치 및방법
US20070147518A1 (en) 2005-02-18 2007-06-28 Bruno Bessette Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX
US7573912B2 (en) 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
CN101124740B (zh) * 2005-02-23 2012-05-30 艾利森电话股份有限公司 多声道音频信号编码和解码的方法和装置和音频传送系统
US8364494B2 (en) 2005-04-01 2013-01-29 Qualcomm Incorporated Systems, methods, and apparatus for split-band filtering and encoding of a wideband signal
WO2006120931A1 (ja) * 2005-05-11 2006-11-16 Matsushita Electric Industrial Co., Ltd. 符号化装置、復号化装置及びこれらの方法
US7930176B2 (en) * 2005-05-20 2011-04-19 Broadcom Corporation Packet loss concealment for block-independent speech codecs
EP1905004A2 (en) 2005-05-26 2008-04-02 LG Electronics Inc. Method of encoding and decoding an audio signal
US7707034B2 (en) 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
KR100718132B1 (ko) 2005-06-24 2007-05-14 삼성전자주식회사 오디오 신호의 비트스트림 생성 방법 및 장치, 그를 이용한부호화/복호화 방법 및 장치
US7539612B2 (en) 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
RU2473062C2 (ru) 2005-08-30 2013-01-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ кодирования и декодирования аудиосигнала и устройство для его осуществления
KR100647336B1 (ko) 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
US20090281812A1 (en) * 2006-01-18 2009-11-12 Lg Electronics Inc. Apparatus and Method for Encoding and Decoding Signal
WO2007083953A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
KR20070077652A (ko) * 2006-01-24 2007-07-27 삼성전자주식회사 적응적 시간/주파수 기반 부호화 모드 결정 장치 및 이를위한 부호화 모드 결정 방법
FR2897733A1 (fr) 2006-02-20 2007-08-24 France Telecom Procede de discrimination et d'attenuation fiabilisees des echos d'un signal numerique dans un decodeur et dispositif correspondant
TWI333644B (en) 2006-02-23 2010-11-21 Lg Electronics Inc Method and apparatus for processing a audio signal
US7454335B2 (en) 2006-03-20 2008-11-18 Mindspeed Technologies, Inc. Method and system for reducing effects of noise producing artifacts in a voice codec
EP2323131A1 (en) 2006-04-27 2011-05-18 Panasonic Corporation Audio encoding device, audio decoding device, and their method
KR20070115637A (ko) 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
EP1873754B1 (en) 2006-06-30 2008-09-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
US8682652B2 (en) * 2006-06-30 2014-03-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
WO2008007700A1 (en) 2006-07-12 2008-01-17 Panasonic Corporation Sound decoding device, sound encoding device, and lost frame compensation method
CN101145343B (zh) 2006-09-15 2011-07-20 展讯通信（上海）有限公司 一种用于音频处理框架中的编码和解码方法
CN100483509C (zh) 2006-12-05 2009-04-29 华为技术有限公司 声音信号分类方法和装置
CN101197577A (zh) * 2006-12-07 2008-06-11 展讯通信（上海）有限公司 一种用于音频处理框架中的编码和解码方法
MX2009006201A (es) 2006-12-12 2009-06-22 Fraunhofer Ges Forschung Codificador, decodificador y metodos para codificar y decodificar segmentos de datos que representan una corriente de datos del dominio temporal.
CN101548319B (zh) 2006-12-13 2012-06-20 松下电器产业株式会社 后置滤波器以及滤波方法
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
KR100883656B1 (ko) 2006-12-28 2009-02-18 삼성전자주식회사 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치
EP1944761A1 (en) 2007-01-15 2008-07-16 Siemens Networks GmbH & Co. KG Disturbance reduction in digital signal processing
CN101231850B (zh) * 2007-01-23 2012-02-29 华为技术有限公司 编解码方法及装置
FR2912249A1 (fr) 2007-02-02 2008-08-08 France Telecom Codage/decodage perfectionnes de signaux audionumeriques.
EP2535894B1 (en) * 2007-03-02 2015-01-07 Telefonaktiebolaget L M Ericsson (PUBL) Methods and arrangements in a telecommunications network
US8599981B2 (en) * 2007-03-02 2013-12-03 Panasonic Corporation Post-filter, decoding device, and post-filter processing method
CN101617362B (zh) * 2007-03-02 2012-07-18 松下电器产业株式会社 语音解码装置和语音解码方法
CN101622667B (zh) * 2007-03-02 2012-08-15 艾利森电话股份有限公司 用于分层编解码器的后置滤波器
JP4708446B2 (ja) * 2007-03-02 2011-06-22 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
RU2463674C2 (ru) 2007-03-02 2012-10-10 Панасоник Корпорэйшн Кодирующее устройство и способ кодирования
CN101256771A (zh) 2007-03-02 2008-09-03 北京工业大学 嵌入式编码、解码方法、编码器、解码器及系统
JP5097219B2 (ja) * 2007-03-02 2012-12-12 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 非因果性ポストフィルタ
CN101303858B (zh) 2007-05-11 2011-06-01 华为技术有限公司 实现基音增强后处理的方法及装置
DE102007025401B4 (de) 2007-05-31 2015-10-01 Siemens Aktiengesellschaft Verfahren zur Auswertung eines Tomographie-Datensatzes und Tomographie-Arbeitsstation
CN101321033B (zh) 2007-06-10 2011-08-10 华为技术有限公司 帧补偿方法及系统
ES2663269T3 (es) 2007-06-11 2018-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio para codificar una señal de audio que tiene una porción similar a un impulso y una porción estacionaria
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
KR101513028B1 (ko) * 2007-07-02 2015-04-17 엘지전자 주식회사 방송 수신기 및 방송신호 처리방법
KR101531910B1 (ko) 2007-07-02 2015-06-29 엘지전자 주식회사 방송 수신기 및 방송신호 처리방법
KR101470940B1 (ko) * 2007-07-06 2014-12-09 오렌지 디지털 신호 디코딩에서 후처리 단계에서 생기는 왜곡 제한
ATE448649T1 (de) 2007-08-13 2009-11-15 Harman Becker Automotive Sys Rauschverringerung mittels kombination aus strahlformung und nachfilterung
WO2009022193A2 (en) 2007-08-15 2009-02-19 Nokia Corporation Devices, methods and computer program products for audio signal coding and decoding
CN101383151B (zh) * 2007-09-06 2011-07-13 中兴通讯股份有限公司 一种数字音频质量增强系统和方法
KR101505831B1 (ko) 2007-10-30 2015-03-26 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
US8762141B2 (en) 2008-02-15 2014-06-24 Nokia Corporation Reduced-complexity vector indexing and de-indexing
KR101452722B1 (ko) 2008-02-19 2014-10-23 삼성전자주식회사 신호 부호화 및 복호화 방법 및 장치
WO2009114656A1 (en) 2008-03-14 2009-09-17 Dolby Laboratories Licensing Corporation Multimode coding of speech-like and non-speech-like signals
US8296135B2 (en) 2008-04-22 2012-10-23 Electronics And Telecommunications Research Institute Noise cancellation system and method
KR20090122143A (ko) 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
CN101609684B (zh) * 2008-06-19 2012-06-06 展讯通信（上海）有限公司 解码语音信号的后处理滤波器
CN102089810B (zh) * 2008-07-10 2013-05-08 沃伊斯亚吉公司 多基准线性预测系数滤波器量化和逆量化设备及方法
EP2301020B1 (en) 2008-07-11 2013-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
MX2011000375A (es) * 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada.
KR101756834B1 (ko) 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
KR20130133917A (ko) 2008-10-08 2013-12-09 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
RU2400832C2 (ru) 2008-11-24 2010-09-27 Государственное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФCО России) Способ формирования сигнала возбуждения в низкоскоростных вокодерах с линейным предсказанием
US8457975B2 (en) * 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
KR101622950B1 (ko) 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
KR20100115215A (ko) * 2009-04-17 2010-10-27 삼성전자주식회사 가변 비트율 오디오 부호화 및 복호화 장치 및 방법
US9031834B2 (en) 2009-09-04 2015-05-12 Nuance Communications, Inc. Speech enhancement techniques on the power spectrum
US8260220B2 (en) * 2009-09-28 2012-09-04 Broadcom Corporation Communication device with reduced noise speech coding
TWI430263B (zh) * 2009-10-20 2014-03-11 弗勞恩霍夫爾協會 音訊信號編碼器、音訊信號解碼器、使用混疊抵消來將音訊信號編碼或解碼之方法
JP5871906B2 (ja) * 2010-04-26 2016-03-01 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 復号方法、プログラムおよび復号装置
ES2501840T3 (es) 2010-05-11 2014-10-02 Telefonaktiebolaget Lm Ericsson (Publ) Procedimiento y disposición para el procesamiento de señales de audio
KR101972762B1 (ko) 2010-07-02 2019-04-29 돌비 인터네셔널 에이비 선택적인 베이스 포스트 필터
US8738385B2 (en) 2010-10-20 2014-05-27 Broadcom Corporation Pitch-based pre-filtering and post-filtering for compression of audio signals
US11429505B2 (en) * 2018-08-03 2022-08-30 Dell Products L.P. System and method to provide optimal polling of devices for real time data

Also Published As

Publication number Publication date
IL302557B2 (en) 2024-08-01
EP3422346A1 (en) 2019-01-02
US11996111B2 (en) 2024-05-28
CA3124114C (en) 2022-07-05
US20130096912A1 (en) 2013-04-18
EP4407615A3 (en) 2024-08-07
CA2801805A1 (en) 2012-01-05
IL286405B (en) 2022-10-01
CN105355209B (zh) 2020-02-14
RU2599338C1 (ru) 2016-10-10
JP7319441B2 (ja) 2023-08-01
EP4488996C0 (en) 2025-07-30
US9558754B2 (en) 2017-01-31
IL243958A0 (en) 2016-04-21
US20160210980A1 (en) 2016-07-21
JP2021192121A (ja) 2021-12-16
IL286405A (en) 2021-10-31
US9558753B2 (en) 2017-01-31
KR102238082B1 (ko) 2021-04-09
MY201385A (en) 2024-02-21
JP2021060601A (ja) 2021-04-15
JP6258257B2 (ja) 2018-01-10
MY183707A (en) 2021-03-09
KR20160081986A (ko) 2016-07-08
CA3093517A1 (en) 2012-01-05
IL302557B1 (en) 2024-04-01
EP4618079A3 (en) 2025-10-08
RU2642553C2 (ru) 2018-01-25
ES3010657T3 (en) 2025-04-04
CN105390140B (zh) 2019-05-17
IL286405B2 (en) 2023-02-01
KR102830033B1 (ko) 2025-07-07
CN105355209A (zh) 2016-02-24
EP3079153B1 (en) 2018-08-01
US9552824B2 (en) 2017-01-24
IL311020B2 (en) 2025-06-01
WO2012000882A1 (en) 2012-01-05
EP2757560B1 (en) 2018-02-21
EP3605534B1 (en) 2021-10-20
KR20250110356A (ko) 2025-07-18
RU2015117332A (ru) 2016-11-27
SG10201901308TA (en) 2019-03-28
CA2976490C (en) 2019-01-08
JP2022177215A (ja) 2022-11-30
JP2019204102A (ja) 2019-11-28
KR20210107923A (ko) 2021-09-01
MY176187A (en) 2020-07-24
EP3422346B1 (en) 2020-04-22
MY176188A (en) 2020-07-24
SG10201503004WA (en) 2015-06-29
EP3605534A1 (en) 2020-02-05
EP4488996B1 (en) 2025-07-30
EP3971893C0 (en) 2024-06-19
KR20160075869A (ko) 2016-06-29
JP6812585B2 (ja) 2021-01-13
ES2984913T3 (es) 2024-10-31
JP2016186652A (ja) 2016-10-27
US20190214035A1 (en) 2019-07-11
KR20140056394A (ko) 2014-05-09
KR20220053032A (ko) 2022-04-28
CN105244035B (zh) 2019-03-12
JP6682683B2 (ja) 2020-04-15
RU2616774C1 (ru) 2017-04-18
CA3025108C (en) 2020-10-27
MX2012014525A (es) 2013-08-27
HUE039862T2 (hu) 2019-02-28
JP2015158689A (ja) 2015-09-03
HK1220036A1 (zh) 2017-04-21
HK1183965A1 (en) 2014-01-10
IL243958A (en) 2016-11-30
US20220157327A1 (en) 2022-05-19
KR102388001B1 (ko) 2022-04-19
SG186209A1 (en) 2013-01-30
EP2589046B1 (en) 2014-05-28
CA2928180C (en) 2017-03-28
SG10201604866VA (en) 2016-08-30
KR102079000B1 (ko) 2020-02-19
CA2976490A1 (en) 2012-01-05
JP6178236B2 (ja) 2017-08-09
CN105390140A (zh) 2016-03-09
US9224403B2 (en) 2015-12-29
SG10202005270YA (en) 2020-07-29
CA2929090C (en) 2017-03-14
IL278805B (en) 2021-10-31
RU2692416C2 (ru) 2019-06-24
KR101730356B1 (ko) 2017-04-27
HK1199135A1 (en) 2015-06-19
CA2928180A1 (en) 2012-01-05
AU2011273680A1 (en) 2012-12-20
EP2757560A1 (en) 2014-07-23
EP4618079A2 (en) 2025-09-17
US12531076B2 (en) 2026-01-20
EP3079154A1 (en) 2016-10-12
ES2683648T3 (es) 2018-09-27
JP2020109529A (ja) 2020-07-16
KR102492622B1 (ko) 2023-01-30
MY204265A (en) 2024-08-20
IL245591A (en) 2016-12-29
EP3971893A1 (en) 2022-03-23
EP3079152A1 (en) 2016-10-12
KR101972762B1 (ko) 2019-04-29
MY176192A (en) 2020-07-24
KR20190116541A (ko) 2019-10-14
CA2958350A1 (en) 2012-01-05
EP4407615A2 (en) 2024-07-31
US11610595B2 (en) 2023-03-21
JP6279686B2 (ja) 2018-02-14
KR101696634B1 (ko) 2017-01-16
KR20190044692A (ko) 2019-04-30
PL3079152T3 (pl) 2018-10-31
KR102296955B1 (ko) 2021-09-01
EP3079154B1 (en) 2018-06-06
CA3239015C (en) 2025-05-27
IL223319A (en) 2016-04-21
JP2016194711A (ja) 2016-11-17
CA3207181A1 (en) 2012-01-05
HK1221326A1 (zh) 2017-05-26
US20160240209A1 (en) 2016-08-18
IL246684A0 (en) 2016-08-31
CA2801805C (en) 2018-01-02
HUE038985T2 (hu) 2018-12-28
US20160225384A1 (en) 2016-08-04
IL295473B1 (en) 2023-06-01
EP4488996A2 (en) 2025-01-08
KR102030335B1 (ko) 2019-10-10
CA2958360C (en) 2017-11-14
IL223319A0 (en) 2013-02-03
ES3039307T3 (en) 2025-10-20
HK1219168A1 (zh) 2017-03-24
CN105261370B (zh) 2018-12-04
US9595270B2 (en) 2017-03-14
DK3079152T3 (en) 2018-08-13
JP7073565B2 (ja) 2022-05-23
CA2929090A1 (en) 2012-01-05
CA3124114A1 (en) 2012-01-05
EP4407615C0 (en) 2025-01-01
JP2013533983A (ja) 2013-08-29
ES2666150T3 (es) 2018-05-03
JP6679433B2 (ja) 2020-04-15
US9343077B2 (en) 2016-05-17
JP2023134779A (ja) 2023-09-27
RU2016117277A (ru) 2017-11-13
EP2589046A1 (en) 2013-05-08
RU2013102794A (ru) 2014-08-10
RU2562422C2 (ru) 2015-09-10
JP2018045252A (ja) 2018-03-22
US20160225381A1 (en) 2016-08-04
CN105261372B (zh) 2021-07-16
CA2937672A1 (en) 2012-01-05
KR101449979B1 (ko) 2014-10-14
KR101696632B1 (ko) 2017-01-16
CN105261370A (zh) 2016-01-20
KR20160086426A (ko) 2016-07-19
EP3079152B1 (en) 2018-06-06
KR20200018720A (ko) 2020-02-19
ES2691934T3 (es) 2018-11-29
CN105261372A (zh) 2016-01-20
CA2976485A1 (en) 2012-01-05
CN105261371B (zh) 2019-12-03
JP2022106963A (ja) 2022-07-20
US10236010B2 (en) 2019-03-19
US20240274145A1 (en) 2024-08-15
CA3160488C (en) 2023-09-05
EP4488996A3 (en) 2025-02-26
KR20130019004A (ko) 2013-02-25
JP7147090B2 (ja) 2022-10-04
SG10201605650WA (en) 2016-08-30
ES2902392T3 (es) 2022-03-28
DK3079153T3 (en) 2018-11-05
CA3239015A1 (en) 2012-01-05
IL245591A0 (en) 2016-06-30
CN103098129A (zh) 2013-05-08
CA3093517C (en) 2021-08-24
AU2011273680B2 (en) 2014-10-16
CA2958350C (en) 2017-11-14
JP6556815B2 (ja) 2019-08-07
CN105261371A (zh) 2016-01-20
US20210035592A1 (en) 2021-02-04
US9858940B2 (en) 2018-01-02
EP3971893B1 (en) 2024-06-19
US20180047405A1 (en) 2018-02-15
RU2707716C1 (ru) 2019-11-28
KR20230018539A (ko) 2023-02-07
CA3025108A1 (en) 2012-01-05
ES2484794T3 (es) 2014-08-12
IL265661A (en) 2019-05-30
IL311020A (en) 2024-04-01
US11183200B2 (en) 2021-11-23
JP7743471B2 (ja) 2025-09-24
EP3079153A1 (en) 2016-10-12
IL295473B2 (en) 2023-10-01
HK1218462A1 (zh) 2017-02-17
CN105244035A (zh) 2016-01-13
US9830923B2 (en) 2017-11-28
US9396736B2 (en) 2016-07-19
CA3160488A1 (en) 2012-01-05
US20160086616A1 (en) 2016-03-24
KR20210040184A (ko) 2021-04-12
US10811024B2 (en) 2020-10-20
JP6944038B2 (ja) 2021-10-06
HK1218987A1 (zh) 2017-03-17
EP4407615B1 (en) 2025-01-01
US20160093312A1 (en) 2016-03-31
SG10201604880YA (en) 2016-08-30
CN103098129B (zh) 2015-11-25
CA2958360A1 (en) 2012-01-05
IL278805A (en) 2021-01-31
IL295473A (en) 2022-10-01
JP2025183321A (ja) 2025-12-16
CA2937672C (en) 2017-05-02
IL302557A (en) 2023-07-01
CA3207181C (en) 2024-07-02
HK1218803A1 (zh) 2017-03-10
RU2015117332A3 (pl) 2018-12-10
IL317312A (en) 2025-01-01
ES2683647T3 (es) 2018-09-27
JP2017037328A (ja) 2017-02-16
IL311020B1 (en) 2025-02-01
US20160163326A1 (en) 2016-06-09
RU2019135620A (ru) 2021-05-06
CA2976485C (en) 2018-07-24
US20160118057A1 (en) 2016-04-28
US20230282222A1 (en) 2023-09-07

Similar Documents

Publication Publication Date Title
PL3079153T3 (pl) Dekodowanie audio z późniejszym filtrowaniem selektywnym
PT2360683E (pt) Descodificador de áudio e método de descodificação utilizando downmix eficiente
GB2488815C (en) Video decoding
ZA201503681B (en) Video decoding method
GB201104034D0 (en) Video encoding and decoding
PL3413567T3 (pl) Sposób dekodowania wideo i dekoder wideo
EP2577299A4 (en) FILTRATION METHODS AND DEVICES
SG11201405216SA (en) Signal coding and decoding methods and devices
PL2547215T3 (pl) Membranowa filtracja i zespół membranowej filtracji
GB201005745D0 (en) Fence post support
GB2488817B (en) Video encoding and decoding
ZA201105330B (en) Fence post
TWM390001U (en) Signal decoding device
GB201119172D0 (en) Video encoding and decoding