PL2603913T3 - Ponowne próbkowanie sygnałów wyjściowych kodeków audio na bazie QMF - Google Patents
Ponowne próbkowanie sygnałów wyjściowych kodeków audio na bazie QMFInfo
- Publication number
- PL2603913T3 PL2603913T3 PL11741598T PL11741598T PL2603913T3 PL 2603913 T3 PL2603913 T3 PL 2603913T3 PL 11741598 T PL11741598 T PL 11741598T PL 11741598 T PL11741598 T PL 11741598T PL 2603913 T3 PL2603913 T3 PL 2603913T3
- Authority
- PL
- Poland
- Prior art keywords
- output signals
- based audio
- audio codecs
- qmf based
- resampling output
- Prior art date
Links
- 238000012952 Resampling 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
-
- 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
-
- 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
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0264—Filter sets with mutual related characteristics
- H03H17/0272—Quadrature mirror filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0294—Variable filters; Programmable filters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Algebra (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37312610P | 2010-08-12 | 2010-08-12 | |
EP11741598.4A EP2603913B1 (en) | 2010-08-12 | 2011-08-11 | Resampling output signals of qmf based audio codecs |
PCT/EP2011/063848 WO2012020090A1 (en) | 2010-08-12 | 2011-08-11 | Resampling output signals of qmf based audio codecs |
Publications (1)
Publication Number | Publication Date |
---|---|
PL2603913T3 true PL2603913T3 (pl) | 2014-11-28 |
Family
ID=44630032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL11741598T PL2603913T3 (pl) | 2010-08-12 | 2011-08-11 | Ponowne próbkowanie sygnałów wyjściowych kodeków audio na bazie QMF |
Country Status (18)
Country | Link |
---|---|
US (11) | US9595265B2 (pl) |
EP (1) | EP2603913B1 (pl) |
JP (1) | JP5665987B2 (pl) |
KR (1) | KR101517446B1 (pl) |
CN (1) | CN103270553B (pl) |
AR (1) | AR082671A1 (pl) |
AU (1) | AU2011288406B2 (pl) |
BR (5) | BR122021003688B1 (pl) |
CA (1) | CA2807889C (pl) |
ES (1) | ES2501493T3 (pl) |
HK (1) | HK1186832A1 (pl) |
MX (1) | MX2013001650A (pl) |
MY (1) | MY156027A (pl) |
PL (1) | PL2603913T3 (pl) |
RU (1) | RU2562434C2 (pl) |
SG (1) | SG187743A1 (pl) |
TW (1) | TWI460719B (pl) |
WO (1) | WO2012020090A1 (pl) |
Families Citing this family (12)
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WO2013142650A1 (en) | 2012-03-23 | 2013-09-26 | Dolby International Ab | Enabling sampling rate diversity in a voice communication system |
WO2013186344A2 (en) | 2012-06-14 | 2013-12-19 | Dolby International Ab | Smooth configuration switching for multichannel audio rendering based on a variable number of received channels |
MX2021011251A (es) * | 2013-01-21 | 2022-10-28 | Dolby Laboratories Licensing Corp | Codificador y decodificador de audio con metadatos de límite y sonoridad de programa. |
JP6305694B2 (ja) * | 2013-05-31 | 2018-04-04 | クラリオン株式会社 | 信号処理装置及び信号処理方法 |
CA3134652A1 (en) * | 2014-04-17 | 2015-10-22 | Voiceage Evs Llc | Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates |
FR3023646A1 (fr) * | 2014-07-11 | 2016-01-15 | Orange | Mise a jour des etats d'un post-traitement a une frequence d'echantillonnage variable selon la trame |
EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
BR112017025314A2 (pt) * | 2016-01-22 | 2018-07-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | aparelho e método para codificação ou decodificação de um sinal multicanal utilizando reamostragem de domínio espectral |
JP6976277B2 (ja) | 2016-06-22 | 2021-12-08 | ドルビー・インターナショナル・アーベー | 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法 |
EP3276620A1 (en) * | 2016-07-29 | 2018-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis |
CN111986685B (zh) * | 2020-08-31 | 2024-06-21 | 北京百瑞互联技术股份有限公司 | 一种实现高采样率的音频编解码方法及*** |
CN116778950B (zh) * | 2023-08-18 | 2023-11-17 | 玖益(深圳)医疗科技有限公司 | 用于音频数据传输的采样率匹配方法、***及存储介质 |
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2011
- 2011-08-11 MX MX2013001650A patent/MX2013001650A/es active IP Right Grant
- 2011-08-11 BR BR122021003688-8A patent/BR122021003688B1/pt active IP Right Grant
- 2011-08-11 EP EP11741598.4A patent/EP2603913B1/en active Active
- 2011-08-11 ES ES11741598.4T patent/ES2501493T3/es active Active
- 2011-08-11 CN CN201180049599.2A patent/CN103270553B/zh active Active
- 2011-08-11 SG SG2013009204A patent/SG187743A1/en unknown
- 2011-08-11 JP JP2013523621A patent/JP5665987B2/ja active Active
- 2011-08-11 BR BR112013003303-7A patent/BR112013003303B1/pt active IP Right Grant
- 2011-08-11 KR KR1020137005759A patent/KR101517446B1/ko active IP Right Grant
- 2011-08-11 WO PCT/EP2011/063848 patent/WO2012020090A1/en active Application Filing
- 2011-08-11 AU AU2011288406A patent/AU2011288406B2/en active Active
- 2011-08-11 BR BR122021003887-2A patent/BR122021003887B1/pt active IP Right Grant
- 2011-08-11 MY MYPI2013000400A patent/MY156027A/en unknown
- 2011-08-11 PL PL11741598T patent/PL2603913T3/pl unknown
- 2011-08-11 BR BR122021003886-4A patent/BR122021003886B1/pt active IP Right Grant
- 2011-08-11 CA CA2807889A patent/CA2807889C/en active Active
- 2011-08-11 BR BR122021003884-8A patent/BR122021003884B1/pt active IP Right Grant
- 2011-08-11 RU RU2013110507/08A patent/RU2562434C2/ru active
- 2011-08-12 AR ARP110102938A patent/AR082671A1/es active IP Right Grant
- 2011-08-12 TW TW100128888A patent/TWI460719B/zh active
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2013
- 2013-02-08 US US13/762,614 patent/US9595265B2/en active Active
- 2013-12-18 HK HK13114034.4A patent/HK1186832A1/xx unknown
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2017
- 2017-02-03 US US15/424,625 patent/US10311886B2/en active Active
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2019
- 2019-04-30 US US16/398,669 patent/US11361779B2/en active Active
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2021
- 2021-02-10 US US17/172,335 patent/US11804232B2/en active Active
- 2021-02-10 US US17/172,281 patent/US11810584B2/en active Active
- 2021-02-10 US US17/172,254 patent/US11790928B2/en active Active
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2022
- 2022-05-05 US US17/737,941 patent/US11676615B2/en active Active
- 2022-05-05 US US17/737,924 patent/US11475905B2/en active Active
- 2022-05-05 US US17/737,949 patent/US11961531B2/en active Active
- 2022-05-05 US US17/737,935 patent/US11475906B2/en active Active
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2023
- 2023-10-09 US US18/378,028 patent/US20240046942A1/en active Pending
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