PL3405950T3 - Kodowanie audio stereo z normalizacją opartą na ild przed podjęciem decyzji środkowobocznej mid/side - Google Patents
Kodowanie audio stereo z normalizacją opartą na ild przed podjęciem decyzji środkowobocznej mid/sideInfo
- Publication number
- PL3405950T3 PL3405950T3 PL17700980.0T PL17700980T PL3405950T3 PL 3405950 T3 PL3405950 T3 PL 3405950T3 PL 17700980 T PL17700980 T PL 17700980T PL 3405950 T3 PL3405950 T3 PL 3405950T3
- Authority
- PL
- Poland
- Prior art keywords
- ild
- mid
- prior
- audio coding
- stereo audio
- Prior art date
Links
- 238000010606 normalization Methods 0.000 title 1
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
- G10L19/008—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 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
- G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- 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
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16152457 | 2016-01-22 | ||
| EP16152454 | 2016-01-22 | ||
| EP16199895 | 2016-11-21 | ||
| PCT/EP2017/051177 WO2017125544A1 (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for mdct m/s stereo with global ild with improved mid/side decision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3405950T3 true PL3405950T3 (pl) | 2023-01-30 |
Family
ID=57860879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL17700980.0T PL3405950T3 (pl) | 2016-01-22 | 2017-01-20 | Kodowanie audio stereo z normalizacją opartą na ild przed podjęciem decyzji środkowobocznej mid/side |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US11842742B2 (pl) |
| EP (2) | EP3405950B1 (pl) |
| JP (3) | JP6864378B2 (pl) |
| KR (1) | KR102230668B1 (pl) |
| CN (2) | CN109074812B (pl) |
| AU (1) | AU2017208561B2 (pl) |
| BR (1) | BR112018014813A2 (pl) |
| CA (1) | CA3011883C (pl) |
| ES (1) | ES2932053T3 (pl) |
| FI (1) | FI3405950T3 (pl) |
| MX (1) | MX2018008886A (pl) |
| MY (1) | MY188905A (pl) |
| PL (1) | PL3405950T3 (pl) |
| RU (1) | RU2713613C1 (pl) |
| SG (1) | SG11201806256SA (pl) |
| TW (1) | TWI669704B (pl) |
| WO (1) | WO2017125544A1 (pl) |
| ZA (1) | ZA201804866B (pl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10734001B2 (en) * | 2017-10-05 | 2020-08-04 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| CN110556116B (zh) | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
| CN115132214A (zh) | 2018-06-29 | 2022-09-30 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
| WO2020007719A1 (en) * | 2018-07-04 | 2020-01-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multisignal audio coding using signal whitening as preprocessing |
| JP7130878B2 (ja) | 2019-01-13 | 2022-09-05 | 華為技術有限公司 | 高分解能オーディオコーディング |
| DE102020210917B4 (de) | 2019-08-30 | 2023-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verbesserter M/S-Stereo-Codierer und -Decodierer |
| WO2023153228A1 (ja) * | 2022-02-08 | 2023-08-17 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、及び、符号化方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3435674B2 (ja) * | 1994-05-06 | 2003-08-11 | 日本電信電話株式会社 | 信号の符号化方法と復号方法及びそれを使った符号器及び復号器 |
| DE19628293C1 (de) * | 1996-07-12 | 1997-12-11 | Fraunhofer Ges Forschung | Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion |
| US6370502B1 (en) * | 1999-05-27 | 2002-04-09 | America Online, Inc. | Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec |
| DE19959156C2 (de) * | 1999-12-08 | 2002-01-31 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
| ATE378677T1 (de) * | 2004-03-12 | 2007-11-15 | Nokia Corp | Synthese eines mono-audiosignals aus einem mehrkanal-audiosignal |
| US8041042B2 (en) * | 2006-11-30 | 2011-10-18 | Nokia Corporation | Method, system, apparatus and computer program product for stereo coding |
| US8706480B2 (en) | 2007-06-11 | 2014-04-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoding audio signal |
| BRPI0906079B1 (pt) * | 2008-03-04 | 2020-12-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | mixagem de fluxos de dados de entrada e geração de um fluxo de dados de saída a partir dos mesmos |
| EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
| RU2520329C2 (ru) * | 2009-03-17 | 2014-06-20 | Долби Интернешнл Аб | Усовершенствованное стереофоническое кодирование на основе комбинации адаптивно выбираемого левого/правого или среднего/побочного стереофонического кодирования и параметрического стереофонического кодирования |
| DE102010014599A1 (de) | 2010-04-09 | 2010-11-18 | Continental Automotive Gmbh | Luftmassenmesser |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| CA3076786C (en) | 2010-04-09 | 2021-04-13 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| AU2012217156B2 (en) * | 2011-02-14 | 2015-03-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Linear prediction based coding scheme using spectral domain noise shaping |
| CN105225669B (zh) * | 2011-03-04 | 2018-12-21 | 瑞典爱立信有限公司 | 音频编码中的后量化增益校正 |
| US8654984B2 (en) * | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
| CN104050969A (zh) | 2013-03-14 | 2014-09-17 | 杜比实验室特许公司 | 空间舒适噪声 |
| EP2830059A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling energy adjustment |
| CN110970041B (zh) * | 2014-07-01 | 2023-10-20 | 韩国电子通信研究院 | 处理多信道音频信号的方法和装置 |
| US10152977B2 (en) * | 2015-11-20 | 2018-12-11 | Qualcomm Incorporated | Encoding of multiple audio signals |
| US10115403B2 (en) * | 2015-12-18 | 2018-10-30 | Qualcomm Incorporated | Encoding of multiple audio signals |
-
2017
- 2017-01-20 FI FIEP17700980.0T patent/FI3405950T3/fi active
- 2017-01-20 CA CA3011883A patent/CA3011883C/en active Active
- 2017-01-20 PL PL17700980.0T patent/PL3405950T3/pl unknown
- 2017-01-20 EP EP17700980.0A patent/EP3405950B1/en active Active
- 2017-01-20 WO PCT/EP2017/051177 patent/WO2017125544A1/en active Application Filing
- 2017-01-20 KR KR1020187022988A patent/KR102230668B1/ko active IP Right Grant
- 2017-01-20 SG SG11201806256SA patent/SG11201806256SA/en unknown
- 2017-01-20 EP EP22191567.1A patent/EP4123645A1/en active Pending
- 2017-01-20 MY MYPI2018001322A patent/MY188905A/en unknown
- 2017-01-20 JP JP2018538111A patent/JP6864378B2/ja active Active
- 2017-01-20 BR BR112018014813A patent/BR112018014813A2/pt active Search and Examination
- 2017-01-20 ES ES17700980T patent/ES2932053T3/es active Active
- 2017-01-20 AU AU2017208561A patent/AU2017208561B2/en active Active
- 2017-01-20 CN CN201780012788.XA patent/CN109074812B/zh active Active
- 2017-01-20 RU RU2018130149A patent/RU2713613C1/ru active
- 2017-01-20 CN CN202311493628.5A patent/CN117542365A/zh active Pending
- 2017-01-20 MX MX2018008886A patent/MX2018008886A/es unknown
- 2017-01-23 TW TW106102400A patent/TWI669704B/zh active
-
2018
- 2018-07-19 ZA ZA2018/04866A patent/ZA201804866B/en unknown
- 2018-07-20 US US16/041,691 patent/US11842742B2/en active Active
-
2021
- 2021-03-26 JP JP2021052602A patent/JP7280306B2/ja active Active
-
2023
- 2023-05-11 JP JP2023078313A patent/JP2023109851A/ja active Pending
- 2023-10-30 US US18/497,703 patent/US20240071395A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN117542365A (zh) | 2024-02-09 |
| EP4123645A1 (en) | 2023-01-25 |
| TWI669704B (zh) | 2019-08-21 |
| JP6864378B2 (ja) | 2021-04-28 |
| MX2018008886A (es) | 2018-11-09 |
| JP2019506633A (ja) | 2019-03-07 |
| CN109074812B (zh) | 2023-11-17 |
| US20240071395A1 (en) | 2024-02-29 |
| MY188905A (en) | 2022-01-13 |
| US20180330740A1 (en) | 2018-11-15 |
| TW201732780A (zh) | 2017-09-16 |
| SG11201806256SA (en) | 2018-08-30 |
| KR102230668B1 (ko) | 2021-03-22 |
| KR20180103102A (ko) | 2018-09-18 |
| RU2713613C1 (ru) | 2020-02-05 |
| AU2017208561B2 (en) | 2020-04-16 |
| JP2023109851A (ja) | 2023-08-08 |
| AU2017208561A1 (en) | 2018-08-09 |
| JP2021119383A (ja) | 2021-08-12 |
| US11842742B2 (en) | 2023-12-12 |
| JP7280306B2 (ja) | 2023-05-23 |
| EP3405950B1 (en) | 2022-09-28 |
| ES2932053T3 (es) | 2023-01-09 |
| CN109074812A (zh) | 2018-12-21 |
| CA3011883C (en) | 2020-10-27 |
| ZA201804866B (en) | 2019-04-24 |
| FI3405950T3 (fi) | 2022-12-15 |
| CA3011883A1 (en) | 2017-07-27 |
| BR112018014813A2 (pt) | 2018-12-18 |
| EP3405950A1 (en) | 2018-11-28 |
| WO2017125544A1 (en) | 2017-07-27 |
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