JP2009536364A5 - - Google Patents
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- Publication number
- JP2009536364A5 JP2009536364A5 JP2009508302A JP2009508302A JP2009536364A5 JP 2009536364 A5 JP2009536364 A5 JP 2009536364A5 JP 2009508302 A JP2009508302 A JP 2009508302A JP 2009508302 A JP2009508302 A JP 2009508302A JP 2009536364 A5 JP2009536364 A5 JP 2009536364A5
- Authority
- JP
- Japan
- Prior art keywords
- loss
- data sequence
- lossless
- signal
- encoded data
- 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.)
- Granted
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- 230000003595 spectral effect Effects 0.000 claims 34
- 230000002087 whitening effect Effects 0.000 claims 34
- 238000000034 method Methods 0.000 claims 25
- 230000003111 delayed effect Effects 0.000 claims 12
- 238000004364 calculation method Methods 0.000 claims 8
- 230000000875 corresponding effect Effects 0.000 claims 8
- 238000013139 quantization Methods 0.000 claims 8
- 238000001914 filtration Methods 0.000 claims 6
- 230000001276 controlling effect Effects 0.000 claims 4
- 230000002596 correlated effect Effects 0.000 claims 2
- 230000011664 signaling Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06113596A EP1852849A1 (en) | 2006-05-05 | 2006-05-05 | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| EP06113596.8 | 2006-05-05 | ||
| PCT/EP2007/053784 WO2007128662A1 (en) | 2006-05-05 | 2007-04-18 | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009536364A JP2009536364A (ja) | 2009-10-08 |
| JP2009536364A5 true JP2009536364A5 (enExample) | 2010-06-17 |
| JP5215994B2 JP5215994B2 (ja) | 2013-06-19 |
Family
ID=36589352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009508302A Expired - Fee Related JP5215994B2 (ja) | 2006-05-05 | 2007-04-18 | 損失エンコ−ドされたデータ列および無損失拡張データ列を用いた、原信号の無損失エンコードのための方法および装置 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8326618B2 (enExample) |
| EP (3) | EP1852849A1 (enExample) |
| JP (1) | JP5215994B2 (enExample) |
| KR (1) | KR101473016B1 (enExample) |
| CN (1) | CN101432802B (enExample) |
| BR (1) | BRPI0711272A2 (enExample) |
| PT (1) | PT2016583E (enExample) |
| WO (1) | WO2007128662A1 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7620673B2 (en) * | 2005-09-19 | 2009-11-17 | The United States Of America As Represented By The Secretary Of The Air Force | Complimentary discrete fourier transform processor |
| US8392176B2 (en) | 2006-04-10 | 2013-03-05 | Qualcomm Incorporated | Processing of excitation in audio coding and decoding |
| EP1881485A1 (en) * | 2006-07-18 | 2008-01-23 | Deutsche Thomson-Brandt Gmbh | Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal |
| US8428957B2 (en) | 2007-08-24 | 2013-04-23 | Qualcomm Incorporated | Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands |
| US20090198500A1 (en) * | 2007-08-24 | 2009-08-06 | Qualcomm Incorporated | Temporal masking in audio coding based on spectral dynamics in frequency sub-bands |
| WO2009081315A1 (en) * | 2007-12-18 | 2009-07-02 | Koninklijke Philips Electronics N.V. | Encoding and decoding audio or speech |
| ES2396927T3 (es) * | 2008-07-11 | 2013-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento para decodificar una señal de audio codificada |
| PL2301027T3 (pl) | 2008-07-11 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób generowania danych wyjściowych rozszerzenia pasma |
| FI4239635T3 (fi) | 2010-11-22 | 2025-07-29 | Ntt Docomo Inc | Audiokoodauslaite ja -menetelmä |
| CN105611297B (zh) * | 2010-11-26 | 2018-09-07 | 日本电气株式会社 | 视频解码设备、视频解码方法 |
| CN102446509B (zh) * | 2011-11-22 | 2014-04-09 | 中兴通讯股份有限公司 | 增强抗丢包的音频编解码方法及系统 |
| GB201210373D0 (en) | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
| CN106941004B (zh) * | 2012-07-13 | 2021-05-18 | 华为技术有限公司 | 音频信号的比特分配的方法和装置 |
| EP2830055A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Context-based entropy coding of sample values of a spectral envelope |
| EP4134951B1 (en) * | 2013-09-13 | 2024-07-24 | Samsung Electronics Co., Ltd. | Energy lossless coding apparatus |
| US9779739B2 (en) | 2014-03-20 | 2017-10-03 | Dts, Inc. | Residual encoding in an object-based audio system |
| CA2945791A1 (en) * | 2014-04-17 | 2015-10-22 | Audimax, Llc | Systems, methods and devices for electronic communications having decreased information loss |
| 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 |
| GB2624686B (en) * | 2022-11-25 | 2025-07-23 | Lenbrook Industries Ltd | Improvements to audio coding |
| CN118522296A (zh) * | 2023-02-17 | 2024-08-20 | 华为技术有限公司 | 有损编解码器和无损编解码器之间的切换方法和装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0756386B1 (en) | 1995-07-27 | 2003-09-17 | Victor Company Of Japan, Limited | Method and apparatus for coding a digital, acoustic signal |
| US6154484A (en) * | 1995-09-06 | 2000-11-28 | Solana Technology Development Corporation | Method and apparatus for embedding auxiliary data in a primary data signal using frequency and time domain processing |
| JPH10105200A (ja) | 1996-09-26 | 1998-04-24 | Toshiba Corp | 音声符号化/復号化方法 |
| DE19742201C1 (de) * | 1997-09-24 | 1999-02-04 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren von Audiosignalen |
| CN100350749C (zh) * | 1998-04-09 | 2007-11-21 | 皇家菲利浦电子有限公司 | 通过传输介质发送/接收数字信息信号的发送/接收装置和方法 |
| US6226616B1 (en) | 1999-06-21 | 2001-05-01 | Digital Theater Systems, Inc. | Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| SE0004163D0 (sv) * | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| KR100908114B1 (ko) * | 2002-03-09 | 2009-07-16 | 삼성전자주식회사 | 스케일러블 무손실 오디오 부호화/복호화 장치 및 그 방법 |
| JP2003280694A (ja) | 2002-03-26 | 2003-10-02 | Nec Corp | 階層ロスレス符号化復号方法、階層ロスレス符号化方法、階層ロスレス復号方法及びその装置並びにプログラム |
| DE10217297A1 (de) * | 2002-04-18 | 2003-11-06 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten |
| US7275036B2 (en) | 2002-04-18 | 2007-09-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data |
| US7328150B2 (en) * | 2002-09-04 | 2008-02-05 | Microsoft Corporation | Innovations in pure lossless audio compression |
| US7536305B2 (en) * | 2002-09-04 | 2009-05-19 | Microsoft Corporation | Mixed lossless audio compression |
| JP4293005B2 (ja) | 2004-02-04 | 2009-07-08 | 日本電気株式会社 | 音声音楽信号の符号化装置および復号装置 |
| US7272567B2 (en) * | 2004-03-25 | 2007-09-18 | Zoran Fejzo | Scalable lossless audio codec and authoring tool |
| TR200606136T1 (tr) | 2004-03-25 | 2007-04-24 | Digital Theater Systems, Inc | Kayıpsız çok-kanallı işitsel veri kodlayıcı-kodçözücüsü. |
| US8086465B2 (en) * | 2007-03-20 | 2011-12-27 | Microsoft Corporation | Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms |
-
2006
- 2006-05-05 EP EP06113596A patent/EP1852849A1/en not_active Withdrawn
-
2007
- 2007-04-18 WO PCT/EP2007/053784 patent/WO2007128662A1/en not_active Ceased
- 2007-04-18 PT PT07728246T patent/PT2016583E/pt unknown
- 2007-04-18 JP JP2009508302A patent/JP5215994B2/ja not_active Expired - Fee Related
- 2007-04-18 BR BRPI0711272-6A patent/BRPI0711272A2/pt not_active IP Right Cessation
- 2007-04-18 EP EP12154030A patent/EP2453437A3/en not_active Withdrawn
- 2007-04-18 EP EP07728246A patent/EP2016583B1/en not_active Not-in-force
- 2007-04-18 CN CN200780015604.1A patent/CN101432802B/zh not_active Expired - Fee Related
- 2007-04-18 US US12/227,045 patent/US8326618B2/en not_active Expired - Fee Related
-
2008
- 2008-11-04 KR KR1020087027070A patent/KR101473016B1/ko not_active Expired - Fee Related
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