SG11201910914SA - High-band residual prediction with time-domain inter-channel bandwidth extension - Google Patents
High-band residual prediction with time-domain inter-channel bandwidth extensionInfo
- Publication number
- SG11201910914SA SG11201910914SA SG11201910914SA SG11201910914SA SG11201910914SA SG 11201910914S A SG11201910914S A SG 11201910914SA SG 11201910914S A SG11201910914S A SG 11201910914SA SG 11201910914S A SG11201910914S A SG 11201910914SA SG 11201910914S A SG11201910914S A SG 11201910914SA
- Authority
- SG
- Singapore
- Prior art keywords
- time
- channel bandwidth
- bandwidth extension
- residual prediction
- band residual
- 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
- G10L19/03—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
- G10L19/008—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
- 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
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- 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
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
- G10L21/0388—Details of processing therefor
-
- 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
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762526854P | 2017-06-29 | 2017-06-29 | |
| US16/000,551 US10431231B2 (en) | 2017-06-29 | 2018-06-05 | High-band residual prediction with time-domain inter-channel bandwidth extension |
| PCT/US2018/036253 WO2019005441A1 (en) | 2017-06-29 | 2018-06-06 | High-band residual prediction with time-domain inter-channel bandwidth extension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201910914SA true SG11201910914SA (en) | 2020-01-30 |
Family
ID=64738792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201910914SA SG11201910914SA (en) | 2017-06-29 | 2018-06-06 | High-band residual prediction with time-domain inter-channel bandwidth extension |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US10431231B2 (en) |
| EP (1) | EP3646321B1 (en) |
| KR (1) | KR102471279B1 (en) |
| CN (1) | CN110800051B (en) |
| AU (1) | AU2018291865B2 (en) |
| SG (1) | SG11201910914SA (en) |
| TW (1) | TWI778073B (en) |
| WO (1) | WO2019005441A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10573326B2 (en) * | 2017-04-05 | 2020-02-25 | Qualcomm Incorporated | Inter-channel bandwidth extension |
| US10431231B2 (en) | 2017-06-29 | 2019-10-01 | Qualcomm Incorporated | High-band residual prediction with time-domain inter-channel bandwidth extension |
| US20200402523A1 (en) * | 2019-06-24 | 2020-12-24 | Qualcomm Incorporated | Psychoacoustic audio coding of ambisonic audio data |
| CN115883049B (en) * | 2022-11-30 | 2023-07-18 | 深圳市云天数字能源有限公司 | Signal synchronization method and device |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7983904B2 (en) * | 2004-11-05 | 2011-07-19 | Panasonic Corporation | Scalable decoding apparatus and scalable encoding apparatus |
| ES2350494T3 (en) * | 2005-04-01 | 2011-01-24 | Qualcomm Incorporated | PROCEDURE AND APPLIANCES FOR CODING AND DECODING A HIGH BAND PART OF A SPEAKING SIGNAL. |
| KR101379263B1 (en) * | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | Method and apparatus for decoding bandwidth extension |
| US8983830B2 (en) | 2007-03-30 | 2015-03-17 | Panasonic Intellectual Property Corporation Of America | Stereo signal encoding device including setting of threshold frequencies and stereo signal encoding method including setting of threshold frequencies |
| JP4818335B2 (en) * | 2008-08-29 | 2011-11-16 | 株式会社東芝 | Signal band expander |
| BR122019023947B1 (en) | 2009-03-17 | 2021-04-06 | Dolby International Ab | CODING SYSTEM, DECODING SYSTEM, METHOD FOR CODING A STEREO SIGNAL FOR A BIT FLOW SIGNAL AND METHOD FOR DECODING A BIT FLOW SIGNAL FOR A STEREO SIGNAL |
| JP5817499B2 (en) | 2011-12-15 | 2015-11-18 | 富士通株式会社 | Decoding device, encoding device, encoding / decoding system, decoding method, encoding method, decoding program, and encoding program |
| EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| US9666202B2 (en) * | 2013-09-10 | 2017-05-30 | Huawei Technologies Co., Ltd. | Adaptive bandwidth extension and apparatus for the same |
| US9620134B2 (en) * | 2013-10-10 | 2017-04-11 | Qualcomm Incorporated | Gain shape estimation for improved tracking of high-band temporal characteristics |
| EP3067886A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| US9837089B2 (en) * | 2015-06-18 | 2017-12-05 | Qualcomm Incorporated | High-band signal generation |
| US9830921B2 (en) * | 2015-08-17 | 2017-11-28 | Qualcomm Incorporated | High-band target signal control |
| US10074373B2 (en) * | 2015-12-21 | 2018-09-11 | Qualcomm Incorporated | Channel adjustment for inter-frame temporal shift variations |
| US10431231B2 (en) | 2017-06-29 | 2019-10-01 | Qualcomm Incorporated | High-band residual prediction with time-domain inter-channel bandwidth extension |
-
2018
- 2018-06-05 US US16/000,551 patent/US10431231B2/en active Active
- 2018-06-06 CN CN201880042816.7A patent/CN110800051B/en active Active
- 2018-06-06 EP EP18734398.3A patent/EP3646321B1/en active Active
- 2018-06-06 AU AU2018291865A patent/AU2018291865B2/en active Active
- 2018-06-06 SG SG11201910914SA patent/SG11201910914SA/en unknown
- 2018-06-06 KR KR1020197038452A patent/KR102471279B1/en active IP Right Grant
- 2018-06-06 WO PCT/US2018/036253 patent/WO2019005441A1/en unknown
- 2018-06-08 TW TW107119754A patent/TWI778073B/en active
-
2019
- 2019-07-15 US US16/511,386 patent/US10885925B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110800051B (en) | 2023-09-15 |
| BR112019026971A2 (en) | 2020-06-30 |
| US10431231B2 (en) | 2019-10-01 |
| US10885925B2 (en) | 2021-01-05 |
| US20190341063A1 (en) | 2019-11-07 |
| WO2019005441A1 (en) | 2019-01-03 |
| CN110800051A (en) | 2020-02-14 |
| TW201905901A (en) | 2019-02-01 |
| AU2018291865A1 (en) | 2019-12-19 |
| KR102471279B1 (en) | 2022-11-25 |
| US20190005973A1 (en) | 2019-01-03 |
| EP3646321A1 (en) | 2020-05-06 |
| TWI778073B (en) | 2022-09-21 |
| EP3646321B1 (en) | 2021-10-13 |
| AU2018291865B2 (en) | 2023-03-16 |
| KR20200017432A (en) | 2020-02-18 |
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