ES2360898T3 - Codificación por transformada, utilizando ventanas de ponderación y con retardo pequeño. - Google Patents
Codificación por transformada, utilizando ventanas de ponderación y con retardo pequeño. Download PDFInfo
- Publication number
- ES2360898T3 ES2360898T3 ES07871956T ES07871956T ES2360898T3 ES 2360898 T3 ES2360898 T3 ES 2360898T3 ES 07871956 T ES07871956 T ES 07871956T ES 07871956 T ES07871956 T ES 07871956T ES 2360898 T3 ES2360898 T3 ES 2360898T3
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Links
- 238000005303 weighing Methods 0.000 title description 2
- 230000006870 function Effects 0.000 claims abstract description 75
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 62
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 62
- 230000007704 transition Effects 0.000 claims abstract description 52
- 238000004458 analytical method Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 28
- 101150108611 dct-1 gene Proteins 0.000 claims abstract description 9
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- 238000004364 calculation method Methods 0.000 claims description 14
- 230000014509 gene expression Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims 2
- 238000011282 treatment Methods 0.000 description 28
- 230000009466 transformation Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 238000011002 quantification Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
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- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
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- 238000013139 quantization Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000007562 laser obscuration time method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
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- 230000002452 interceptive effect Effects 0.000 description 1
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- 230000000717 retained effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
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- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0700056A FR2911227A1 (fr) | 2007-01-05 | 2007-01-05 | Codage par transformee, utilisant des fenetres de ponderation et a faible retard |
| FR0700056 | 2007-01-05 | ||
| FR0702768 | 2007-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2360898T3 true ES2360898T3 (es) | 2011-06-10 |
Family
ID=38230175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES07871956T Active ES2360898T3 (es) | 2007-01-05 | 2007-12-18 | Codificación por transformada, utilizando ventanas de ponderación y con retardo pequeño. |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101611440B (zh) |
| ES (1) | ES2360898T3 (zh) |
| FR (1) | FR2911227A1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2619758B1 (en) * | 2010-10-15 | 2015-08-19 | Huawei Technologies Co., Ltd. | Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis |
| EP2676265B1 (en) * | 2011-02-14 | 2019-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding an audio signal using an aligned look-ahead portion |
| CN110232929B (zh) | 2013-02-20 | 2023-06-13 | 弗劳恩霍夫应用研究促进协会 | 用于对音频信号进行译码的译码器和方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3902948A1 (de) * | 1989-02-01 | 1990-08-09 | Telefunken Fernseh & Rundfunk | Verfahren zur uebertragung eines signals |
| ATE94707T1 (de) * | 1989-10-06 | 1993-10-15 | Telefunken Fernseh & Rundfunk | Verfahren zur uebertragung eines signals. |
| US5774846A (en) * | 1994-12-19 | 1998-06-30 | Matsushita Electric Industrial Co., Ltd. | Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus |
| US5848391A (en) * | 1996-07-11 | 1998-12-08 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method subband of coding and decoding audio signals using variable length windows |
| US7054807B2 (en) * | 2002-11-08 | 2006-05-30 | Motorola, Inc. | Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters |
| US20040098255A1 (en) * | 2002-11-14 | 2004-05-20 | France Telecom | Generalized analysis-by-synthesis speech coding method, and coder implementing such method |
| KR100608062B1 (ko) * | 2004-08-04 | 2006-08-02 | 삼성전자주식회사 | 오디오 데이터의 고주파수 복원 방법 및 그 장치 |
-
2007
- 2007-01-05 FR FR0700056A patent/FR2911227A1/fr active Pending
- 2007-12-18 CN CN200780051256.3A patent/CN101611440B/zh active Active
- 2007-12-18 ES ES07871956T patent/ES2360898T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2911227A1 (fr) | 2008-07-11 |
| CN101611440A (zh) | 2009-12-23 |
| CN101611440B (zh) | 2013-02-13 |
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