PL2489041T3 - Jednoczesne kształtowanie szumu w dziedzinie czasu i w dziedzinie częstotliwości dla przekształcenia tdac - Google Patents
Jednoczesne kształtowanie szumu w dziedzinie czasu i w dziedzinie częstotliwości dla przekształcenia tdacInfo
- Publication number
- PL2489041T3 PL2489041T3 PL10822970T PL10822970T PL2489041T3 PL 2489041 T3 PL2489041 T3 PL 2489041T3 PL 10822970 T PL10822970 T PL 10822970T PL 10822970 T PL10822970 T PL 10822970T PL 2489041 T3 PL2489041 T3 PL 2489041T3
- Authority
- PL
- Poland
- Prior art keywords
- domain
- frequency
- noise shaping
- simultaneous time
- tdac transforms
- Prior art date
Links
- 238000007493 shaping process 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
-
- 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
- G10L19/0212—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 orthogonal transformation
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
-
- 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
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0007—Codebook element generation
- G10L2019/0008—Algebraic codebooks
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)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27264409P | 2009-10-15 | 2009-10-15 | |
| EP10822970.9A EP2489041B1 (en) | 2009-10-15 | 2010-10-15 | Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
| PCT/CA2010/001649 WO2011044700A1 (en) | 2009-10-15 | 2010-10-15 | Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2489041T3 true PL2489041T3 (pl) | 2020-11-02 |
Family
ID=43875767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL10822970T PL2489041T3 (pl) | 2009-10-15 | 2010-10-15 | Jednoczesne kształtowanie szumu w dziedzinie czasu i w dziedzinie częstotliwości dla przekształcenia tdac |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8626517B2 (pl) |
| EP (3) | EP2489041B1 (pl) |
| ES (3) | ES2797525T3 (pl) |
| IN (1) | IN2012DN00903A (pl) |
| PL (1) | PL2489041T3 (pl) |
| WO (1) | WO2011044700A1 (pl) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2489041B1 (en) * | 2009-10-15 | 2020-05-20 | VoiceAge Corporation | Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
| WO2011085483A1 (en) | 2010-01-13 | 2011-07-21 | Voiceage Corporation | Forward time-domain aliasing cancellation using linear-predictive filtering |
| WO2012091464A1 (ko) * | 2010-12-29 | 2012-07-05 | 삼성전자 주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
| KR101826331B1 (ko) * | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
| TR201910075T4 (tr) * | 2011-03-04 | 2019-08-21 | Ericsson Telefon Ab L M | Nicemleme sonrası kazanım düzeltmeli ses dekoderi. |
| SG11201505893TA (en) * | 2013-01-29 | 2015-08-28 | Fraunhofer Ges Forschung | Noise filling concept |
| KR101792712B1 (ko) * | 2013-01-29 | 2017-11-02 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 주파수 도메인 내의 선형 예측 코딩 기반 코딩을 위한 저주파수 강조 |
| HUE073355T2 (hu) * | 2013-03-04 | 2026-01-28 | Voiceage Evs Llc | Eszköz és eljárás kvantálási zaj csökkentésére idõtartományú dekóderben |
| WO2014202784A1 (en) | 2013-06-21 | 2014-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for improved signal fade out for switched audio coding systems during error concealment |
| JP6216553B2 (ja) * | 2013-06-27 | 2017-10-18 | クラリオン株式会社 | 伝搬遅延補正装置及び伝搬遅延補正方法 |
| CN104681034A (zh) * | 2013-11-27 | 2015-06-03 | 杜比实验室特许公司 | 音频信号处理 |
| BR112016014476B1 (pt) * | 2013-12-27 | 2021-11-23 | Sony Corporation | Aparelho e método de decodificação, e, meio de armazenamento legível por computador |
| US9276797B2 (en) | 2014-04-16 | 2016-03-01 | Digi International Inc. | Low complexity narrowband interference suppression |
| EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483880A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| US11295750B2 (en) | 2018-09-27 | 2022-04-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for noise shaping using subspace projections for low-rate coding of speech and audio |
| EP3629327B1 (en) * | 2018-09-27 | 2024-11-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for noise shaping using subspace projections for low-rate coding of speech and audio |
| KR20220066749A (ko) * | 2020-11-16 | 2022-05-24 | 한국전자통신연구원 | 잔차 신호의 생성 방법과 그 방법을 수행하는 부호화기 및 복호화기 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5781888A (en) * | 1996-01-16 | 1998-07-14 | Lucent Technologies Inc. | Perceptual noise shaping in the time domain via LPC prediction in the frequency domain |
| US6363338B1 (en) * | 1999-04-12 | 2002-03-26 | Dolby Laboratories Licensing Corporation | Quantization in perceptual audio coders with compensation for synthesis filter noise spreading |
| CN100431355C (zh) * | 2000-08-16 | 2008-11-05 | 多尔拜实验特许公司 | 响应补充信息修改音频或视频感知编码系统的一个或多个参数 |
| US7062040B2 (en) * | 2002-09-20 | 2006-06-13 | Agere Systems Inc. | Suppression of echo signals and the like |
| US7650277B2 (en) * | 2003-01-23 | 2010-01-19 | Ittiam Systems (P) Ltd. | System, method, and apparatus for fast quantization in perceptual audio coders |
| CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
| DE602004025517D1 (de) * | 2004-05-17 | 2010-03-25 | Nokia Corp | Audiocodierung mit verschiedenen codierungsrahmenlängen |
| CN100592389C (zh) * | 2008-01-18 | 2010-02-24 | 华为技术有限公司 | 合成滤波器状态更新方法及装置 |
| US20070147518A1 (en) * | 2005-02-18 | 2007-06-28 | Bruno Bessette | Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX |
| JP2009524101A (ja) * | 2006-01-18 | 2009-06-25 | エルジー エレクトロニクス インコーポレイティド | 符号化／復号化装置及び方法 |
| US8036903B2 (en) * | 2006-10-18 | 2011-10-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system |
| US20080294446A1 (en) * | 2007-05-22 | 2008-11-27 | Linfeng Guo | Layer based scalable multimedia datastream compression |
| US8301440B2 (en) * | 2008-05-09 | 2012-10-30 | Broadcom Corporation | Bit error concealment for audio coding systems |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| EP2489041B1 (en) * | 2009-10-15 | 2020-05-20 | VoiceAge Corporation | Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
| US9208792B2 (en) * | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
-
2010
- 2010-10-15 EP EP10822970.9A patent/EP2489041B1/en active Active
- 2010-10-15 ES ES10822970T patent/ES2797525T3/es active Active
- 2010-10-15 ES ES20166952T patent/ES2884133T3/es active Active
- 2010-10-15 EP EP20166953.8A patent/EP3693964B1/en active Active
- 2010-10-15 ES ES20166953T patent/ES2888804T3/es active Active
- 2010-10-15 US US12/905,750 patent/US8626517B2/en active Active
- 2010-10-15 PL PL10822970T patent/PL2489041T3/pl unknown
- 2010-10-15 EP EP20166952.0A patent/EP3693963B1/en active Active
- 2010-10-15 WO PCT/CA2010/001649 patent/WO2011044700A1/en not_active Ceased
-
2012
- 2012-02-01 IN IN903DEN2012 patent/IN2012DN00903A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP2489041A4 (en) | 2013-12-18 |
| EP2489041A1 (en) | 2012-08-22 |
| EP3693963A1 (en) | 2020-08-12 |
| ES2884133T3 (es) | 2021-12-10 |
| US8626517B2 (en) | 2014-01-07 |
| ES2797525T3 (es) | 2020-12-02 |
| EP3693963B1 (en) | 2021-07-21 |
| EP3693964B1 (en) | 2021-07-28 |
| WO2011044700A1 (en) | 2011-04-21 |
| ES2888804T3 (es) | 2022-01-07 |
| US20110145003A1 (en) | 2011-06-16 |
| IN2012DN00903A (pl) | 2015-04-03 |
| EP3693964A1 (en) | 2020-08-12 |
| EP2489041B1 (en) | 2020-05-20 |
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