PL2346029T3 - Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowy - Google Patents
Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowyInfo
- Publication number
- PL2346029T3 PL2346029T3 PL11157188T PL11157188T PL2346029T3 PL 2346029 T3 PL2346029 T3 PL 2346029T3 PL 11157188 T PL11157188 T PL 11157188T PL 11157188 T PL11157188 T PL 11157188T PL 2346029 T3 PL2346029 T3 PL 2346029T3
- Authority
- PL
- Poland
- Prior art keywords
- encoding
- computer program
- corresponding computer
- audio
- audio signal
- Prior art date
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/035—Scalar quantisation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7987208P | 2008-07-11 | 2008-07-11 | |
| US10382008P | 2008-10-08 | 2008-10-08 | |
| EP11157188.1A EP2346029B1 (en) | 2008-07-11 | 2009-06-25 | Audio encoder, method for encoding an audio signal and corresponding computer program |
| EP09776839.4A EP2304719B1 (en) | 2008-07-11 | 2009-06-25 | Audio encoder, methods for providing an audio stream and computer program |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2346029T3 true PL2346029T3 (pl) | 2013-11-29 |
Family
ID=42026731
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11157204T PL2346030T3 (pl) | 2008-07-11 | 2009-06-25 | Koder audio, sposób kodowania sygnału audio oraz program komputerowy |
| PL11157188T PL2346029T3 (pl) | 2008-07-11 | 2009-06-25 | Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowy |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11157204T PL2346030T3 (pl) | 2008-07-11 | 2009-06-25 | Koder audio, sposób kodowania sygnału audio oraz program komputerowy |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US8494865B2 (pl) |
| EP (4) | EP2346030B1 (pl) |
| JP (2) | JP5253580B2 (pl) |
| KR (2) | KR101596183B1 (pl) |
| CN (1) | CN102177543B (pl) |
| AR (1) | AR073732A1 (pl) |
| AU (1) | AU2009301425B2 (pl) |
| BR (1) | BRPI0914032B1 (pl) |
| CA (3) | CA2871252C (pl) |
| MX (1) | MX2011003815A (pl) |
| MY (1) | MY157453A (pl) |
| PL (2) | PL2346030T3 (pl) |
| RU (1) | RU2543302C2 (pl) |
| TW (1) | TWI419147B (pl) |
| WO (1) | WO2010040503A2 (pl) |
| ZA (1) | ZA201102476B (pl) |
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| FR2911228A1 (fr) * | 2007-01-05 | 2008-07-11 | France Telecom | Codage par transformee, utilisant des fenetres de ponderation et a faible retard. |
| PL2346030T3 (pl) * | 2008-07-11 | 2015-03-31 | Fraunhofer Ges Forschung | Koder audio, sposób kodowania sygnału audio oraz program komputerowy |
| EP2311032B1 (en) * | 2008-07-11 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding and decoding audio samples |
| WO2010003479A1 (en) | 2008-07-11 | 2010-01-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and audio decoder |
| US9384748B2 (en) | 2008-11-26 | 2016-07-05 | Electronics And Telecommunications Research Institute | Unified Speech/Audio Codec (USAC) processing windows sequence based mode switching |
| KR101315617B1 (ko) * | 2008-11-26 | 2013-10-08 | 광운대학교 산학협력단 | 모드 스위칭에 기초하여 윈도우 시퀀스를 처리하는 통합 음성/오디오 부/복호화기 |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| EP2315358A1 (en) * | 2009-10-09 | 2011-04-27 | Thomson Licensing | Method and device for arithmetic encoding or arithmetic decoding |
| MY160807A (en) * | 2009-10-20 | 2017-03-31 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten | Audio encoder,audio decoder,method for encoding an audio information,method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values |
| MY159982A (en) * | 2010-01-12 | 2017-02-15 | Fraunhofer Ges Forschung | Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values |
| US8280729B2 (en) * | 2010-01-22 | 2012-10-02 | Research In Motion Limited | System and method for encoding and decoding pulse indices |
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| RU2553084C2 (ru) * | 2010-10-07 | 2015-06-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для оценки уровня кодированных аудио кадров в области битового потока |
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