JP6976277B2 - 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 - Google Patents

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 Download PDF

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JP6976277B2
JP6976277B2 JP2018567177A JP2018567177A JP6976277B2 JP 6976277 B2 JP6976277 B2 JP 6976277B2 JP 2018567177 A JP2018567177 A JP 2018567177A JP 2018567177 A JP2018567177 A JP 2018567177A JP 6976277 B2 JP6976277 B2 JP 6976277B2
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frequency
audio signal
digital audio
frame
filter
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JP2019522816A (ja
JP2019522816A5 (https=
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エクストランド，ペール
テシング，ロビン
ヴィレモーズ，ラーシュ
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ドルビー・インターナショナル・アーベー
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    • 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
    • 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
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP2018567177A 2016-06-22 2017-06-20 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 Active JP6976277B2 (ja)

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US201662353241P 2016-06-22 2016-06-22
EP16175715 2016-06-22
EP16175715.8 2016-06-22
US62/353,241 2016-06-22
PCT/EP2017/065011 WO2017220528A1 (en) 2016-06-22 2017-06-20 Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain

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JP2019522816A JP2019522816A (ja) 2019-08-15
JP2019522816A5 JP2019522816A5 (https=) 2020-07-30
JP6976277B2 true JP6976277B2 (ja) 2021-12-08

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Publication number Priority date Publication date Assignee Title
ES3021337T3 (en) * 2019-02-21 2025-05-26 Ericsson Telefon Ab L M Spectral shape estimation from mdct coefficients
US11509548B1 (en) * 2021-07-16 2022-11-22 Google Llc Adaptive exponential moving average filter
CN113488068B (zh) * 2021-07-19 2024-03-08 歌尔科技有限公司 音频异常检测方法、装置及计算机可读存储介质

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6433835B1 (en) * 1998-04-17 2002-08-13 Encamera Sciences Corporation Expanded information capacity for existing communication transmission systems
AUPR433901A0 (en) * 2001-04-10 2001-05-17 Lake Technology Limited High frequency signal construction method
US6850571B2 (en) * 2001-04-23 2005-02-01 Webtv Networks, Inc. Systems and methods for MPEG subsample decoding
US7519530B2 (en) * 2003-01-09 2009-04-14 Nokia Corporation Audio signal processing
US7412100B2 (en) 2003-09-04 2008-08-12 Qualcomm Incorporated Apparatus and method for sub-sampling images in a transform domain
US7009533B1 (en) * 2004-02-13 2006-03-07 Samplify Systems Llc Adaptive compression and decompression of bandlimited signals
EP1564650A1 (en) 2004-02-17 2005-08-17 Deutsche Thomson-Brandt Gmbh Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed digital audio signal
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
EP2062255B1 (en) * 2006-09-13 2010-03-31 Telefonaktiebolaget LM Ericsson (PUBL) Methods and arrangements for a speech/audio sender and receiver
PL3848928T3 (pl) * 2006-10-25 2023-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób do generowania wartości podpasm audio o wartościach zespolonych
CN102414742B (zh) * 2009-04-30 2013-12-25 杜比实验室特许公司 低复杂度听觉事件边界检测
SG10201911942UA (en) 2009-05-05 2020-02-27 Muthiah Manoharan Lipid compositions
TWI591625B (zh) * 2009-05-27 2017-07-11 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
DE102009026593A1 (de) 2009-05-29 2010-12-02 Robert Bosch Gmbh Verfahren zur mechanischen Synchronisation zweier sich drehender, achsversetzter Stirnzahnräder
SG187743A1 (en) 2010-08-12 2013-03-28 Fraunhofer Ges Forschung Resampling output signals of qmf based audio codecs
TWI564882B (zh) * 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
US9313497B2 (en) * 2012-01-25 2016-04-12 Intel Corporation Systems, methods, and computer program products for transform coefficient sub-sampling
TWI575962B (zh) * 2012-02-24 2017-03-21 杜比國際公司 部份複數處理之重疊濾波器組中的低延遲實數至複數轉換
WO2014128197A1 (en) * 2013-02-20 2014-08-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap
US9478224B2 (en) * 2013-04-05 2016-10-25 Dolby International Ab Audio processing system
US9326067B2 (en) * 2013-04-23 2016-04-26 Personics Holdings, Llc Multiplexing audio system and method
EP2830054A1 (en) * 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
EP2980791A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor

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US20190251978A1 (en) 2019-08-15
JP2019522816A (ja) 2019-08-15
EP3475944B1 (en) 2020-07-15
US10770082B2 (en) 2020-09-08
EP3475944A1 (en) 2019-05-01

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