PL3244405T3 - Dekoder audio z korekcją wzmocnienia po kwantyzacji - Google Patents
Dekoder audio z korekcją wzmocnienia po kwantyzacjiInfo
- Publication number
- PL3244405T3 PL3244405T3 PL17173430T PL17173430T PL3244405T3 PL 3244405 T3 PL3244405 T3 PL 3244405T3 PL 17173430 T PL17173430 T PL 17173430T PL 17173430 T PL17173430 T PL 17173430T PL 3244405 T3 PL3244405 T3 PL 3244405T3
- Authority
- PL
- Poland
- Prior art keywords
- post
- audio decoder
- gain correction
- quantization gain
- quantization
- Prior art date
Links
Classifications
-
- 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
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
- G10L19/0204—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
- G10L19/0212—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 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
-
- 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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161449230P | 2011-03-04 | 2011-03-04 | |
EP11860420.6A EP2681734B1 (en) | 2011-03-04 | 2011-07-04 | Post-quantization gain correction in audio coding |
EP17173430.4A EP3244405B1 (en) | 2011-03-04 | 2011-07-04 | Audio decoder with post-quantization gain correction |
PCT/SE2011/050899 WO2012121637A1 (en) | 2011-03-04 | 2011-07-04 | Post-quantization gain correction in audio coding |
Publications (1)
Publication Number | Publication Date |
---|---|
PL3244405T3 true PL3244405T3 (pl) | 2019-12-31 |
Family
ID=46798434
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL11860420T PL2681734T3 (pl) | 2011-03-04 | 2011-07-04 | Korekcja wzmocnienia po kwantyzacji w kodowaniu dźwięku |
PL17173430T PL3244405T3 (pl) | 2011-03-04 | 2011-07-04 | Dekoder audio z korekcją wzmocnienia po kwantyzacji |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL11860420T PL2681734T3 (pl) | 2011-03-04 | 2011-07-04 | Korekcja wzmocnienia po kwantyzacji w kodowaniu dźwięku |
Country Status (10)
Country | Link |
---|---|
US (4) | US10121481B2 (pl) |
EP (2) | EP3244405B1 (pl) |
CN (2) | CN105225669B (pl) |
BR (1) | BR112013021164B1 (pl) |
DK (1) | DK3244405T3 (pl) |
ES (2) | ES2744100T3 (pl) |
PL (2) | PL2681734T3 (pl) |
PT (1) | PT2681734T (pl) |
TR (1) | TR201910075T4 (pl) |
WO (1) | WO2012121637A1 (pl) |
Families Citing this family (11)
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KR101819180B1 (ko) * | 2010-03-31 | 2018-01-16 | 한국전자통신연구원 | 부호화 방법 및 장치, 그리고 복호화 방법 및 장치 |
PT2908313T (pt) | 2011-04-15 | 2019-06-19 | Ericsson Telefon Ab L M | Partilha adaptativa de taxas de ganho/forma |
JP6088532B2 (ja) * | 2011-10-21 | 2017-03-01 | サムスン エレクトロニクス カンパニー リミテッド | 無損失符号化方法 |
PL3457400T3 (pl) * | 2012-12-13 | 2024-02-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Urządzenie do kodowania głosowego audio, urządzenie do dekodowania głosowego audio, sposób kodowania głosowego audio i sposób dekodowania głosowego audio |
US9818424B2 (en) * | 2013-05-06 | 2017-11-14 | Waves Audio Ltd. | Method and apparatus for suppression of unwanted audio signals |
CN108364657B (zh) | 2013-07-16 | 2020-10-30 | 超清编解码有限公司 | 处理丢失帧的方法和解码器 |
SG10201808274UA (en) | 2014-03-24 | 2018-10-30 | Samsung Electronics Co Ltd | High-band encoding method and device, and high-band decoding method and device |
CN106683681B (zh) | 2014-06-25 | 2020-09-25 | 华为技术有限公司 | 处理丢失帧的方法和装置 |
FI3405950T3 (fi) * | 2016-01-22 | 2022-12-15 | Stereoaudiokoodaus ILD-pohjaisella normalisoinnilla ennen keski/sivupäätöstä | |
US10109284B2 (en) | 2016-02-12 | 2018-10-23 | Qualcomm Incorporated | Inter-channel encoding and decoding of multiple high-band audio signals |
US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
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ATE218741T1 (de) * | 1994-02-01 | 2002-06-15 | Qualcomm Inc | Lineare vorhersage durch impulsanregung |
JP3707116B2 (ja) * | 1995-10-26 | 2005-10-19 | ソニー株式会社 | 音声復号化方法及び装置 |
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ATE302991T1 (de) * | 1998-01-22 | 2005-09-15 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen |
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-
2011
- 2011-07-04 CN CN201510671694.6A patent/CN105225669B/zh active Active
- 2011-07-04 US US14/002,509 patent/US10121481B2/en active Active
- 2011-07-04 ES ES17173430T patent/ES2744100T3/es active Active
- 2011-07-04 EP EP17173430.4A patent/EP3244405B1/en active Active
- 2011-07-04 DK DK17173430.4T patent/DK3244405T3/da active
- 2011-07-04 ES ES11860420.6T patent/ES2641315T3/es active Active
- 2011-07-04 CN CN201180068987.5A patent/CN103443856B/zh active Active
- 2011-07-04 TR TR2019/10075T patent/TR201910075T4/tr unknown
- 2011-07-04 WO PCT/SE2011/050899 patent/WO2012121637A1/en active Application Filing
- 2011-07-04 PT PT118604206T patent/PT2681734T/pt unknown
- 2011-07-04 PL PL11860420T patent/PL2681734T3/pl unknown
- 2011-07-04 EP EP11860420.6A patent/EP2681734B1/en active Active
- 2011-07-04 PL PL17173430T patent/PL3244405T3/pl unknown
- 2011-07-04 BR BR112013021164-4A patent/BR112013021164B1/pt active IP Right Grant
-
2017
- 2017-08-04 US US15/668,766 patent/US10460739B2/en active Active
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2019
- 2019-09-10 US US16/565,920 patent/US11056125B2/en active Active
-
2021
- 2021-05-27 US US17/331,995 patent/US20210287688A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP2681734B1 (en) | 2017-06-21 |
BR112013021164A2 (pt) | 2018-06-26 |
RU2013144554A (ru) | 2015-04-10 |
EP3244405A1 (en) | 2017-11-15 |
TR201910075T4 (tr) | 2019-08-21 |
DK3244405T3 (da) | 2019-07-22 |
EP3244405B1 (en) | 2019-06-19 |
US20210287688A1 (en) | 2021-09-16 |
WO2012121637A1 (en) | 2012-09-13 |
US20200005803A1 (en) | 2020-01-02 |
CN103443856A (zh) | 2013-12-11 |
US10460739B2 (en) | 2019-10-29 |
BR112013021164B1 (pt) | 2021-02-17 |
US20130339038A1 (en) | 2013-12-19 |
CN105225669A (zh) | 2016-01-06 |
US10121481B2 (en) | 2018-11-06 |
US20170330573A1 (en) | 2017-11-16 |
EP2681734A1 (en) | 2014-01-08 |
CN103443856B (zh) | 2015-09-09 |
ES2641315T3 (es) | 2017-11-08 |
EP2681734A4 (en) | 2014-11-05 |
CN105225669B (zh) | 2018-12-21 |
ES2744100T3 (es) | 2020-02-21 |
PT2681734T (pt) | 2017-07-31 |
PL2681734T3 (pl) | 2017-12-29 |
US11056125B2 (en) | 2021-07-06 |
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