PL4475124T3 - Próbkowanie w dół sygnału audio - Google Patents
Próbkowanie w dół sygnału audioInfo
- Publication number
- PL4475124T3 PL4475124T3 PL24209945.5T PL24209945T PL4475124T3 PL 4475124 T3 PL4475124 T3 PL 4475124T3 PL 24209945 T PL24209945 T PL 24209945T PL 4475124 T3 PL4475124 T3 PL 4475124T3
- Authority
- PL
- Poland
- Prior art keywords
- downsampling
- audio signal
- audio
- signal
- 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
- 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L19/0204—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 subband decomposition
-
- 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
- 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
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)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Auxiliary Devices For Music (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31212710P | 2010-03-09 | 2010-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4475124T3 true PL4475124T3 (pl) | 2026-03-16 |
Family
ID=43987731
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11715452T PL2545553T3 (pl) | 2010-03-09 | 2011-03-04 | Urządzenie i sposób do przetwarzania sygnału audio z użyciem zrównania granicy obszaru |
| PL22203358.1T PL4148729T3 (pl) | 2010-03-09 | 2011-03-04 | Urządzenie do próbkowania w dół sygnału audio |
| PL24209945.5T PL4475124T3 (pl) | 2010-03-09 | 2011-03-04 | Próbkowanie w dół sygnału audio |
| PL19179788.5T PL3570278T3 (pl) | 2010-03-09 | 2011-03-04 | Rekonstrukcja wysokiej częstotliwości wejściowego sygnału audio przy użyciu kaskadowych banków filtrów |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11715452T PL2545553T3 (pl) | 2010-03-09 | 2011-03-04 | Urządzenie i sposób do przetwarzania sygnału audio z użyciem zrównania granicy obszaru |
| PL22203358.1T PL4148729T3 (pl) | 2010-03-09 | 2011-03-04 | Urządzenie do próbkowania w dół sygnału audio |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19179788.5T PL3570278T3 (pl) | 2010-03-09 | 2011-03-04 | Rekonstrukcja wysokiej częstotliwości wejściowego sygnału audio przy użyciu kaskadowych banków filtrów |
Country Status (18)
| Country | Link |
|---|---|
| US (8) | US9305557B2 (pl) |
| EP (6) | EP2545548A1 (pl) |
| JP (2) | JP5588025B2 (pl) |
| KR (2) | KR101414736B1 (pl) |
| CN (2) | CN103038819B (pl) |
| AR (2) | AR080476A1 (pl) |
| AU (2) | AU2011226211B2 (pl) |
| BR (5) | BR122021014305B1 (pl) |
| CA (2) | CA2792450C (pl) |
| ES (4) | ES2935637T3 (pl) |
| HU (1) | HUE070311T2 (pl) |
| MX (2) | MX2012010416A (pl) |
| MY (1) | MY154204A (pl) |
| PL (4) | PL2545553T3 (pl) |
| RU (1) | RU2586846C2 (pl) |
| SG (1) | SG183967A1 (pl) |
| TW (2) | TWI446337B (pl) |
| WO (2) | WO2011110500A1 (pl) |
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| 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 |
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| JP6075743B2 (ja) | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
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