DE602004010885T2 - Audio-transkodierung - Google Patents
Audio-transkodierung Download PDFInfo
- Publication number
- DE602004010885T2 DE602004010885T2 DE200460010885 DE602004010885T DE602004010885T2 DE 602004010885 T2 DE602004010885 T2 DE 602004010885T2 DE 200460010885 DE200460010885 DE 200460010885 DE 602004010885 T DE602004010885 T DE 602004010885T DE 602004010885 T2 DE602004010885 T2 DE 602004010885T2
- Authority
- DE
- Germany
- Prior art keywords
- quantized
- control parameters
- scaled
- signal
- spectral
- 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.)
- Expired - Lifetime
Links
- 230000003595 spectral effect Effects 0.000 claims abstract description 183
- 238000000034 method Methods 0.000 claims abstract description 163
- 230000008569 process Effects 0.000 claims abstract description 61
- 230000005236 sound signal Effects 0.000 claims abstract description 34
- 230000004044 response Effects 0.000 claims abstract description 9
- 238000013139 quantization Methods 0.000 claims description 60
- 238000010168 coupling process Methods 0.000 claims description 39
- 230000008878 coupling Effects 0.000 claims description 37
- 238000005859 coupling reaction Methods 0.000 claims description 37
- 238000011069 regeneration method Methods 0.000 claims description 28
- 230000008929 regeneration Effects 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 description 30
- 238000003786 synthesis reaction Methods 0.000 description 30
- 239000011159 matrix material Substances 0.000 description 27
- 238000010606 normalization Methods 0.000 description 27
- 238000007667 floating Methods 0.000 description 22
- 238000004458 analytical method Methods 0.000 description 14
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- 238000004891 communication Methods 0.000 description 6
- 230000002596 correlated effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
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- 230000003287 optical effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010063493 Premature ageing Diseases 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
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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
- G10L19/02—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
- G10L19/04—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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Stereophonic System (AREA)
- Electrophonic Musical Instruments (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44593103P | 2003-02-06 | 2003-02-06 | |
| US445931P | 2003-02-06 | ||
| US458798 | 2003-06-09 | ||
| US10/458,798 US7318027B2 (en) | 2003-02-06 | 2003-06-09 | Conversion of synthesized spectral components for encoding and low-complexity transcoding |
| PCT/US2004/002605 WO2004072957A2 (en) | 2003-02-06 | 2004-01-30 | Conversion of spectral components for encoding and low-complexity transcoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE602004010885D1 DE602004010885D1 (de) | 2008-02-07 |
| DE602004010885T2 true DE602004010885T2 (de) | 2008-12-11 |
Family
ID=32871965
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200460010885 Expired - Lifetime DE602004010885T2 (de) | 2003-02-06 | 2004-01-30 | Audio-transkodierung |
| DE200460024139 Expired - Lifetime DE602004024139D1 (de) | 2003-02-06 | 2004-01-30 | Audiosignalverarbeitung |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200460024139 Expired - Lifetime DE602004024139D1 (de) | 2003-02-06 | 2004-01-30 | Audiosignalverarbeitung |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US7318027B2 (https=) |
| EP (3) | EP1852852B1 (https=) |
| JP (2) | JP4673834B2 (https=) |
| KR (1) | KR100992081B1 (https=) |
| CN (2) | CN100589181C (https=) |
| AT (2) | ATE448540T1 (https=) |
| AU (1) | AU2004211163B2 (https=) |
| CA (2) | CA2512866C (https=) |
| CY (1) | CY1114289T1 (https=) |
| DE (2) | DE602004010885T2 (https=) |
| DK (1) | DK1590801T3 (https=) |
| ES (2) | ES2421713T3 (https=) |
| HK (1) | HK1080596B (https=) |
| IL (1) | IL169442A (https=) |
| MX (1) | MXPA05008318A (https=) |
| MY (1) | MY142955A (https=) |
| PL (2) | PL397127A1 (https=) |
| SG (1) | SG144743A1 (https=) |
| TW (2) | TWI350107B (https=) |
| WO (1) | WO2004072957A2 (https=) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7620545B2 (en) * | 2003-07-08 | 2009-11-17 | Industrial Technology Research Institute | Scale factor based bit shifting in fine granularity scalability audio coding |
| US7983909B2 (en) | 2003-09-15 | 2011-07-19 | Intel Corporation | Method and apparatus for encoding audio data |
| KR20060132697A (ko) * | 2004-02-16 | 2006-12-21 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 트랜스코더 및 트랜스코딩 방법 |
| US20050232497A1 (en) * | 2004-04-15 | 2005-10-20 | Microsoft Corporation | High-fidelity transcoding |
| US7406412B2 (en) * | 2004-04-20 | 2008-07-29 | Dolby Laboratories Licensing Corporation | Reduced computational complexity of bit allocation for perceptual coding |
| KR100634506B1 (ko) * | 2004-06-25 | 2006-10-16 | 삼성전자주식회사 | 저비트율 부호화/복호화 방법 및 장치 |
| GB2420952B (en) * | 2004-12-06 | 2007-03-14 | Autoliv Dev | A data compression method |
| WO2006065078A1 (en) * | 2004-12-14 | 2006-06-22 | Samsung Electronics Co., Ltd. | Apparatus for encoding and decoding image and method thereof |
| EP1855271A1 (en) * | 2006-05-12 | 2007-11-14 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for re-encoding signals |
| CN101136200B (zh) * | 2006-08-30 | 2011-04-20 | 财团法人工业技术研究院 | 音频信号转换编码方法与系统 |
| US7725311B2 (en) * | 2006-09-28 | 2010-05-25 | Ericsson Ab | Method and apparatus for rate reduction of coded voice traffic |
| US8036903B2 (en) | 2006-10-18 | 2011-10-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
| US20080097757A1 (en) * | 2006-10-24 | 2008-04-24 | Nokia Corporation | Audio coding |
| DE102006051673A1 (de) * | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
| US7991622B2 (en) * | 2007-03-20 | 2011-08-02 | Microsoft Corporation | Audio compression and decompression using integer-reversible modulated lapped transforms |
| US8086465B2 (en) * | 2007-03-20 | 2011-12-27 | Microsoft Corporation | Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms |
| KR101403340B1 (ko) | 2007-08-02 | 2014-06-09 | 삼성전자주식회사 | 변환 부호화 방법 및 장치 |
| US8457958B2 (en) * | 2007-11-09 | 2013-06-04 | Microsoft Corporation | Audio transcoder using encoder-generated side information to transcode to target bit-rate |
| US8155241B2 (en) * | 2007-12-21 | 2012-04-10 | Mediatek Inc. | System for processing common gain values |
| WO2010053287A2 (en) * | 2008-11-04 | 2010-05-14 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
| US8311115B2 (en) * | 2009-01-29 | 2012-11-13 | Microsoft Corporation | Video encoding using previously calculated motion information |
| US8396114B2 (en) * | 2009-01-29 | 2013-03-12 | Microsoft Corporation | Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming |
| US8270473B2 (en) * | 2009-06-12 | 2012-09-18 | Microsoft Corporation | Motion based dynamic resolution multiple bit rate video encoding |
| US8396119B1 (en) * | 2009-09-30 | 2013-03-12 | Ambarella, Inc. | Data sample compression and decompression using randomized quantization bins |
| TWI557723B (zh) | 2010-02-18 | 2016-11-11 | 杜比實驗室特許公司 | 解碼方法及系統 |
| US8705616B2 (en) | 2010-06-11 | 2014-04-22 | Microsoft Corporation | Parallel multiple bitrate video encoding to reduce latency and dependences between groups of pictures |
| US8923386B2 (en) | 2011-02-11 | 2014-12-30 | Alcatel Lucent | Method and apparatus for signal compression and decompression |
| US20130006644A1 (en) * | 2011-06-30 | 2013-01-03 | Zte Corporation | Method and device for spectral band replication, and method and system for audio decoding |
| US9948928B2 (en) * | 2011-07-20 | 2018-04-17 | Nxp Usa, Inc. | Method and apparatus for encoding an image |
| US9591318B2 (en) | 2011-09-16 | 2017-03-07 | Microsoft Technology Licensing, Llc | Multi-layer encoding and decoding |
| US11089343B2 (en) | 2012-01-11 | 2021-08-10 | Microsoft Technology Licensing, Llc | Capability advertisement, configuration and control for video coding and decoding |
| IN2015DN04001A (https=) * | 2012-11-07 | 2015-10-02 | Dolby Int Ab | |
| JP6334564B2 (ja) | 2013-01-29 | 2018-05-30 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | 低複雑度の調性適応音声信号量子化 |
| KR20140117931A (ko) | 2013-03-27 | 2014-10-08 | 삼성전자주식회사 | 오디오 디코딩 장치 및 방법 |
| CA2908625C (en) | 2013-04-05 | 2017-10-03 | Dolby International Ab | Audio encoder and decoder |
| US8804971B1 (en) | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
| 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 |
| DE102014101307A1 (de) | 2014-02-03 | 2015-08-06 | Osram Opto Semiconductors Gmbh | Kodierverfahren zur Datenkompression von Leistungsspektren eines optoelektronischen Bauteils und Dekodierverfahren |
| 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 |
| US10854209B2 (en) * | 2017-10-03 | 2020-12-01 | Qualcomm Incorporated | Multi-stream audio coding |
| 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 |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| US12424231B2 (en) * | 2020-09-25 | 2025-09-23 | Apple Inc. | Hierarchical spatial resolution codec |
| CN113538485B (zh) * | 2021-08-25 | 2022-04-22 | 广西科技大学 | 学习生物视觉通路的轮廓检测方法 |
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-
2003
- 2003-06-09 US US10/458,798 patent/US7318027B2/en not_active Expired - Lifetime
-
2004
- 2004-01-15 TW TW093101043A patent/TWI350107B/zh not_active IP Right Cessation
- 2004-01-15 TW TW099129455A patent/TWI352973B/zh not_active IP Right Cessation
- 2004-01-30 DE DE200460010885 patent/DE602004010885T2/de not_active Expired - Lifetime
- 2004-01-30 AT AT07015219T patent/ATE448540T1/de not_active IP Right Cessation
- 2004-01-30 EP EP20070015219 patent/EP1852852B1/en not_active Expired - Lifetime
- 2004-01-30 JP JP2006503173A patent/JP4673834B2/ja not_active Expired - Lifetime
- 2004-01-30 ES ES09012227T patent/ES2421713T3/es not_active Expired - Lifetime
- 2004-01-30 EP EP20090012227 patent/EP2136361B1/en not_active Expired - Lifetime
- 2004-01-30 AU AU2004211163A patent/AU2004211163B2/en not_active Expired
- 2004-01-30 DE DE200460024139 patent/DE602004024139D1/de not_active Expired - Lifetime
- 2004-01-30 DK DK04707005T patent/DK1590801T3/da active
- 2004-01-30 KR KR1020057014508A patent/KR100992081B1/ko not_active Expired - Lifetime
- 2004-01-30 CA CA 2512866 patent/CA2512866C/en not_active Expired - Lifetime
- 2004-01-30 PL PL397127A patent/PL397127A1/pl not_active Application Discontinuation
- 2004-01-30 AT AT04707005T patent/ATE382180T1/de active
- 2004-01-30 PL PL378175A patent/PL378175A1/pl not_active IP Right Cessation
- 2004-01-30 WO PCT/US2004/002605 patent/WO2004072957A2/en not_active Ceased
- 2004-01-30 ES ES04707005T patent/ES2297376T3/es not_active Expired - Lifetime
- 2004-01-30 CN CN200480003666A patent/CN100589181C/zh not_active Expired - Lifetime
- 2004-01-30 CA CA2776988A patent/CA2776988C/en not_active Expired - Lifetime
- 2004-01-30 CN CN200910164435.9A patent/CN101661750B/zh not_active Expired - Lifetime
- 2004-01-30 MX MXPA05008318A patent/MXPA05008318A/es active IP Right Grant
- 2004-01-30 HK HK06100259.0A patent/HK1080596B/en not_active IP Right Cessation
- 2004-01-30 SG SG200604994-4A patent/SG144743A1/en unknown
- 2004-01-30 EP EP20040707005 patent/EP1590801B1/en not_active Expired - Lifetime
- 2004-02-05 MY MYPI20040348A patent/MY142955A/en unknown
-
2005
- 2005-06-28 IL IL169442A patent/IL169442A/en active IP Right Grant
-
2010
- 2010-05-17 JP JP2010112800A patent/JP4880053B2/ja not_active Expired - Lifetime
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2013
- 2013-07-26 CY CY20131100641T patent/CY1114289T1/el unknown
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