JP2019522816A5 - - Google Patents

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JP2019522816A5
JP2019522816A5 JP2018567177A JP2018567177A JP2019522816A5 JP 2019522816 A5 JP2019522816 A5 JP 2019522816A5 JP 2018567177 A JP2018567177 A JP 2018567177A JP 2018567177 A JP2018567177 A JP 2018567177A JP 2019522816 A5 JP2019522816 A5 JP 2019522816A5
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Japan
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frame
frequency
audio signal
digital audio
nyquist frequency
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JP2018567177A
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Japanese (ja)
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JP6976277B2 (ja
JP2019522816A (ja
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Priority claimed from PCT/EP2017/065011 external-priority patent/WO2017220528A1/en
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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)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662353241P 2016-06-22 2016-06-22
EP16175715.8 2016-06-22
EP16175715 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

Publications (3)

Publication Number Publication Date
JP2019522816A JP2019522816A (ja) 2019-08-15
JP2019522816A5 true JP2019522816A5 (enExample) 2020-07-30
JP6976277B2 JP6976277B2 (ja) 2021-12-08

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JP2018567177A Active JP6976277B2 (ja) 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

Country Status (3)

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US (1) US10770082B2 (enExample)
EP (1) EP3475944B1 (enExample)
JP (1) JP6976277B2 (enExample)

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CN113439302B (zh) * 2019-02-21 2025-06-24 瑞典爱立信有限公司 用于频域分组丢失隐藏的方法及相关解码器
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
DE602006013359D1 (de) * 2006-09-13 2010-05-12 Ericsson Telefon Ab L M Ender und empfänger
PT2076901T (pt) * 2006-10-25 2017-08-23 Fraunhofer Ges Forschung Aparelho e método para gerar valores de sub-banda de áudio e aparelho e método para gerar amostras de áudio de domínio de tempo
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
CA3042927C (en) 2009-05-05 2022-05-17 Arbutus Biopharma Corporation Lipid compositions for the delivery of therapeutic agents
TWI556227B (zh) * 2009-05-27 2016-11-01 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
KR101517446B1 (ko) 2010-08-12 2015-05-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 직각 대칭 필터 기반 오디오 코덱들의 출력 신호들의 리샘플링
CN102959620B (zh) * 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
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
AU2014220725B2 (en) * 2013-02-20 2016-11-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap
WO2014161996A2 (en) * 2013-04-05 2014-10-09 Dolby International Ab Audio processing system
US9326067B2 (en) * 2013-04-23 2016-04-26 Personics Holdings, Llc Multiplexing audio system and method
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
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
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

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