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
- Authority
- JP
- Japan
- Prior art keywords
- frame
- frequency
- audio signal
- digital audio
- nyquist frequency
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 230000005236 sound signal Effects 0.000 claims 40
- 238000000034 method Methods 0.000 claims 18
- 238000005070 sampling Methods 0.000 claims 11
- 230000015572 biosynthetic process Effects 0.000 claims 10
- 238000000354 decomposition reaction Methods 0.000 claims 10
- 238000003786 synthesis reaction Methods 0.000 claims 10
- 230000003595 spectral effect Effects 0.000 claims 8
- 230000001131 transforming effect Effects 0.000 claims 5
- 238000012952 Resampling Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 230000010363 phase shift Effects 0.000 claims 2
- 230000002123 temporal effect Effects 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000004590 computer program Methods 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000004904 shortening Methods 0.000 claims 1
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019522816A JP2019522816A (ja) | 2019-08-15 |
| JP2019522816A5 true JP2019522816A5 (https=) | 2020-07-30 |
| JP6976277B2 JP6976277B2 (ja) | 2021-12-08 |
Family
ID=59062033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| Country | Link |
|---|---|
| US (1) | US10770082B2 (https=) |
| EP (1) | EP3475944B1 (https=) |
| JP (1) | JP6976277B2 (https=) |
Families Citing this family (3)
| 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)
| 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 |
-
2017
- 2017-06-20 JP JP2018567177A patent/JP6976277B2/ja active Active
- 2017-06-20 US US16/307,624 patent/US10770082B2/en active Active
- 2017-06-20 EP EP17730205.6A patent/EP3475944B1/en active Active
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