ATE534989T1 - Verfahren und vorrichtung zur dekodierung eines audiosignals mit einer basisschicht und einer erweiterungsschicht - Google Patents
Verfahren und vorrichtung zur dekodierung eines audiosignals mit einer basisschicht und einer erweiterungsschichtInfo
- Publication number
- ATE534989T1 ATE534989T1 AT10175061T AT10175061T ATE534989T1 AT E534989 T1 ATE534989 T1 AT E534989T1 AT 10175061 T AT10175061 T AT 10175061T AT 10175061 T AT10175061 T AT 10175061T AT E534989 T1 ATE534989 T1 AT E534989T1
- Authority
- AT
- Austria
- Prior art keywords
- decoding
- data
- layer
- audio signal
- decoded
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000005236 sound signal Effects 0.000 title abstract 2
- 239000010410 layer Substances 0.000 abstract 2
- 238000013507 mapping Methods 0.000 abstract 2
- 239000002355 dual-layer Substances 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
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
- G10L19/04—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
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09305810A EP2306456A1 (de) | 2009-09-04 | 2009-09-04 | Verfahren zur Decodierung eines Audiosignals mit einer Basisschicht und einer Erweiterungsschicht |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE534989T1 true ATE534989T1 (de) | 2011-12-15 |
Family
ID=41697778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT10175061T ATE534989T1 (de) | 2009-09-04 | 2010-09-02 | Verfahren und vorrichtung zur dekodierung eines audiosignals mit einer basisschicht und einer erweiterungsschicht |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8566083B2 (de) |
| EP (2) | EP2306456A1 (de) |
| JP (1) | JP5808092B2 (de) |
| KR (1) | KR20110025616A (de) |
| CN (1) | CN102013255B (de) |
| AT (1) | ATE534989T1 (de) |
| BR (1) | BRPI1002734A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9838701B2 (en) | 2011-08-03 | 2017-12-05 | Mediatek Inc. | Method and video decoder for decoding scalable video stream using inter-layer racing scheme |
| EP2922057A1 (de) * | 2014-03-21 | 2015-09-23 | Thomson Licensing | Verfahren zum Verdichten eines Signals höherer Ordnung (Ambisonics), Verfahren zum Dekomprimieren eines komprimierten Signals höherer Ordnung, Vorrichtung zum Komprimieren eines Signals höherer Ordnung und Vorrichtung zum Dekomprimieren eines komprimierten Signals höherer Ordnung |
| US9659578B2 (en) * | 2014-11-27 | 2017-05-23 | Tata Consultancy Services Ltd. | Computer implemented system and method for identifying significant speech frames within speech signals |
| CN111862996B (zh) * | 2020-07-14 | 2024-03-08 | 北京百瑞互联技术股份有限公司 | 一种音频编解码器均衡负载的方法、系统、存储介质 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08123488A (ja) * | 1994-10-24 | 1996-05-17 | Sony Corp | 高能率符号化方法、高能率符号記録方法、高能率符号伝送方法、高能率符号化装置及び高能率符号復号化方法 |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| US6208959B1 (en) * | 1997-12-15 | 2001-03-27 | Telefonaktibolaget Lm Ericsson (Publ) | Mapping of digital data symbols onto one or more formant frequencies for transmission over a coded voice channel |
| US7082220B2 (en) * | 2001-01-25 | 2006-07-25 | Sony Corporation | Data processing apparatus |
| JP4362261B2 (ja) * | 2002-01-17 | 2009-11-11 | 日本電気通信システム株式会社 | 音声符号制御方法 |
| DE10236694A1 (de) * | 2002-08-09 | 2004-02-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren |
| KR100917464B1 (ko) * | 2003-03-07 | 2009-09-14 | 삼성전자주식회사 | 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치 |
| WO2005036528A1 (en) * | 2003-10-10 | 2005-04-21 | Agency For Science, Technology And Research | Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream. |
| US7668711B2 (en) * | 2004-04-23 | 2010-02-23 | Panasonic Corporation | Coding equipment |
| BRPI0510513A (pt) * | 2004-04-28 | 2007-10-30 | Matsushita Electric Ind Co Ltd | aparelho de codificação em hierarquia e método de codificação em hierarquia |
| JP5576021B2 (ja) * | 2004-11-29 | 2014-08-20 | ナショナル ユニヴァーシティー オブ シンガポール | 携帯用デバイスのための知覚意識型低電力オーディオ・デコーダ |
| US7536299B2 (en) * | 2005-12-19 | 2009-05-19 | Dolby Laboratories Licensing Corporation | Correlating and decorrelating transforms for multiple description coding systems |
| US7835904B2 (en) * | 2006-03-03 | 2010-11-16 | Microsoft Corp. | Perceptual, scalable audio compression |
| EP1903559A1 (de) * | 2006-09-20 | 2008-03-26 | Deutsche Thomson-Brandt Gmbh | Verfahren und Vorrichtung zur Transkodierung von Tonsignalen |
| US8386271B2 (en) * | 2008-03-25 | 2013-02-26 | Microsoft Corporation | Lossless and near lossless scalable audio codec |
| EP2380172B1 (de) * | 2009-01-16 | 2013-07-24 | Dolby International AB | Durch kreuzprodukt erweiterte harmonische transposition |
-
2009
- 2009-09-04 EP EP09305810A patent/EP2306456A1/de not_active Withdrawn
-
2010
- 2010-08-12 BR BRPI1002734-3A patent/BRPI1002734A2/pt not_active IP Right Cessation
- 2010-08-25 CN CN201010263977.4A patent/CN102013255B/zh not_active Expired - Fee Related
- 2010-09-02 JP JP2010196542A patent/JP5808092B2/ja not_active Expired - Fee Related
- 2010-09-02 AT AT10175061T patent/ATE534989T1/de active
- 2010-09-02 EP EP10175061A patent/EP2306454B1/de not_active Not-in-force
- 2010-09-02 KR KR1020100085998A patent/KR20110025616A/ko not_active Application Discontinuation
- 2010-09-03 US US12/807,383 patent/US8566083B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI1002734A2 (pt) | 2012-09-04 |
| EP2306456A1 (de) | 2011-04-06 |
| EP2306454A1 (de) | 2011-04-06 |
| US20110060596A1 (en) | 2011-03-10 |
| US8566083B2 (en) | 2013-10-22 |
| CN102013255B (zh) | 2014-02-19 |
| JP5808092B2 (ja) | 2015-11-10 |
| KR20110025616A (ko) | 2011-03-10 |
| JP2011059685A (ja) | 2011-03-24 |
| CN102013255A (zh) | 2011-04-13 |
| EP2306454B1 (de) | 2011-11-23 |
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