HUE064777T2 - Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program - Google Patents
Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi programInfo
- Publication number
- HUE064777T2 HUE064777T2 HUE23180365A HUE23180365A HUE064777T2 HU E064777 T2 HUE064777 T2 HU E064777T2 HU E23180365 A HUE23180365 A HU E23180365A HU E23180365 A HUE23180365 A HU E23180365A HU E064777 T2 HUE064777 T2 HU E064777T2
- Authority
- HU
- Hungary
- Prior art keywords
- computer program
- corresponding method
- bandwidth extension
- audio bandwidth
- extension decoder
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
- G10L19/02—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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- 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
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/04—Time compression or expansion
-
- 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
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)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Circuits Of Receivers In General (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12255208P | 2008-12-15 | 2008-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HUE064777T2 true HUE064777T2 (hu) | 2024-04-28 |
Family
ID=42104496
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUE23180061A HUE064773T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180367A HUE064771T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180365A HUE064777T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180373A HUE064653T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180374A HUE064767T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180085A HUE064775T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180084A HUE064774T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180369A HUE065515T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló eljárás és számítógépi program |
| HUE22166970A HUE064620T2 (hu) | 2008-12-15 | 2009-12-11 | Sávszélesség kiterjesztés dekóder |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUE23180061A HUE064773T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180367A HUE064771T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUE23180373A HUE064653T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180374A HUE064767T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180085A HUE064775T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180084A HUE064774T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| HUE23180369A HUE065515T2 (hu) | 2008-12-15 | 2009-12-11 | Audió sávszélesség kiterjesztés dekódoló eljárás és számítógépi program |
| HUE22166970A HUE064620T2 (hu) | 2008-12-15 | 2009-12-11 | Sávszélesség kiterjesztés dekóder |
Country Status (17)
| Country | Link |
|---|---|
| US (13) | US8401862B2 (hu) |
| EP (12) | EP4231290B1 (hu) |
| JP (3) | JP2012512437A (hu) |
| KR (2) | KR101424944B1 (hu) |
| CN (1) | CN102246231B (hu) |
| AU (1) | AU2009328247B9 (hu) |
| BR (2) | BRPI0917762B1 (hu) |
| CA (5) | CA2908550C (hu) |
| DK (1) | DK3364414T3 (hu) |
| ES (9) | ES2968884T3 (hu) |
| HK (2) | HK1217810A1 (hu) |
| HU (9) | HUE064773T2 (hu) |
| MX (1) | MX2011006163A (hu) |
| PL (12) | PL4231292T3 (hu) |
| PT (3) | PT2359366T (hu) |
| TR (1) | TR201808500T4 (hu) |
| WO (1) | WO2010069885A1 (hu) |
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