PL4231291T3 - Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy - Google Patents
Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowyInfo
- Publication number
- PL4231291T3 PL4231291T3 PL23180084.8T PL23180084T PL4231291T3 PL 4231291 T3 PL4231291 T3 PL 4231291T3 PL 23180084 T PL23180084 T PL 23180084T PL 4231291 T3 PL4231291 T3 PL 4231291T3
- Authority
- PL
- Poland
- Prior art keywords
- computer program
- corresponding method
- bandwidth extension
- audio bandwidth
- extension decoder
- Prior art date
Links
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
- G10L19/04—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)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Circuit For Audible Band Transducer (AREA)
- Circuits Of Receivers In General (AREA)
- Stereophonic System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (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 |
|---|---|
| PL4231291T3 true PL4231291T3 (pl) | 2024-04-15 |
Family
ID=42104496
Family Applications (12)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL23180373.5T PL4224474T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180085.5T PL4231292T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL22166970.8T PL4053838T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL18151917.4T PL3364414T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180061.6T PL4231290T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180369.3T PL4231295T3 (pl) | 2008-12-15 | 2009-12-11 | Sposób dekodowania powiększania szerokości pasma audio oraz program komputerowy |
| PL23180084.8T PL4231291T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180365.1T PL4231293T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180367.7T PL4231294T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio |
| PL09797003T PL2359366T3 (pl) | 2008-12-15 | 2009-12-11 | Koder audio i dekoder powiększania szerokości pasma |
| PL15167199T PL2945159T3 (pl) | 2008-12-15 | 2009-12-11 | Koder audio i dekoder powiększania szerokości pasma |
| PL23180374.3T PL4224475T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL23180373.5T PL4224474T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180085.5T PL4231292T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL22166970.8T PL4053838T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL18151917.4T PL3364414T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180061.6T PL4231290T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180369.3T PL4231295T3 (pl) | 2008-12-15 | 2009-12-11 | Sposób dekodowania powiększania szerokości pasma audio oraz program komputerowy |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL23180365.1T PL4231293T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| PL23180367.7T PL4231294T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio |
| PL09797003T PL2359366T3 (pl) | 2008-12-15 | 2009-12-11 | Koder audio i dekoder powiększania szerokości pasma |
| PL15167199T PL2945159T3 (pl) | 2008-12-15 | 2009-12-11 | Koder audio i dekoder powiększania szerokości pasma |
| PL23180374.3T PL4224475T3 (pl) | 2008-12-15 | 2009-12-11 | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
Country Status (16)
| Country | Link |
|---|---|
| US (13) | US8401862B2 (pl) |
| EP (12) | EP3364414B1 (pl) |
| JP (3) | JP2012512437A (pl) |
| KR (2) | KR101369267B1 (pl) |
| CN (1) | CN102246231B (pl) |
| AU (1) | AU2009328247B9 (pl) |
| BR (2) | BR122015019030B1 (pl) |
| CA (5) | CA2908847C (pl) |
| DK (1) | DK3364414T3 (pl) |
| ES (12) | ES2968884T3 (pl) |
| HU (9) | HUE064773T2 (pl) |
| MX (1) | MX2011006163A (pl) |
| PL (12) | PL4224474T3 (pl) |
| PT (3) | PT3364414T (pl) |
| TR (1) | TR201808500T4 (pl) |
| WO (1) | WO2010069885A1 (pl) |
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| ES3051142T3 (en) * | 2009-10-21 | 2025-12-26 | Dolby Int Ab | Oversampling in a combined transposer filter bank |
| JP5588025B2 (ja) | 2010-03-09 | 2014-09-10 | 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． | パッチ境界整合を用いてオーディオ信号を処理するための装置および方法 |
| CA2792449C (en) | 2010-03-09 | 2017-12-05 | Dolby International Ab | Device and method for improved magnitude response and temporal alignment in a phase vocoder based bandwidth extension method for audio signals |
| PL2532002T3 (pl) | 2010-03-09 | 2014-06-30 | Fraunhofer Ges Forschung | Urządzenie, sposób i program komputerowy do przetwarzania sygnału audio |
| FR2961938B1 (fr) * | 2010-06-25 | 2013-03-01 | Inst Nat Rech Inf Automat | Synthetiseur numerique audio ameliore |
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