ATE538470T1 - Vorrichtung und verfahren zum auswählen von quantisierungsbändern in audiokodierern - Google Patents
Vorrichtung und verfahren zum auswählen von quantisierungsbändern in audiokodierernInfo
- Publication number
- ATE538470T1 ATE538470T1 AT09008170T AT09008170T ATE538470T1 AT E538470 T1 ATE538470 T1 AT E538470T1 AT 09008170 T AT09008170 T AT 09008170T AT 09008170 T AT09008170 T AT 09008170T AT E538470 T1 ATE538470 T1 AT E538470T1
- Authority
- AT
- Austria
- Prior art keywords
- processor
- bisection
- search
- audio encoders
- quantization bands
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 title 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000005236 sound signal Effects 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
- G10L19/02—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
- G10L19/032—Quantisation or dequantisation of spectral components
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09008170A EP2267700B1 (de) | 2009-06-22 | 2009-06-22 | Vorrichtung und Verfahren zum Auswählen von Quantisierungsbändern in Audiokodierern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE538470T1 true ATE538470T1 (de) | 2012-01-15 |
Family
ID=41198541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT09008170T ATE538470T1 (de) | 2009-06-22 | 2009-06-22 | Vorrichtung und verfahren zum auswählen von quantisierungsbändern in audiokodierern |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2267700B1 (de) |
| AT (1) | ATE538470T1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737639B (zh) * | 2012-07-13 | 2014-05-28 | 北京理工大学 | 一种语音信息安全通信方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999062052A2 (en) * | 1998-05-27 | 1999-12-02 | Microsoft Corporation | System and method for entropy encoding quantized transform coefficients of a signal |
-
2009
- 2009-06-22 AT AT09008170T patent/ATE538470T1/de active
- 2009-06-22 EP EP09008170A patent/EP2267700B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2267700A1 (de) | 2010-12-29 |
| EP2267700B1 (de) | 2011-12-21 |
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