SG11201901942TA - Decoding of multiple audio signals - Google Patents
Decoding of multiple audio signalsInfo
- Publication number
- SG11201901942TA SG11201901942TA SG11201901942TA SG11201901942TA SG11201901942TA SG 11201901942T A SG11201901942T A SG 11201901942TA SG 11201901942T A SG11201901942T A SG 11201901942TA SG 11201901942T A SG11201901942T A SG 11201901942TA SG 11201901942T A SG11201901942T A SG 11201901942TA
- Authority
- SG
- Singapore
- Prior art keywords
- decoding
- audio signals
- multiple audio
- signals
- audio
- Prior art date
Links
- 230000005236 sound signal Effects 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
- G10L19/008—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
- G10L19/0212—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
- 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
- G10L21/04—Time compression or expansion
- G10L21/055—Time compression or expansion for synchronising with other signals, e.g. video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662415369P | 2016-10-31 | 2016-10-31 | |
| US15/711,538 US10224042B2 (en) | 2016-10-31 | 2017-09-21 | Encoding of multiple audio signals |
| PCT/US2017/053040 WO2018080683A1 (en) | 2016-10-31 | 2017-09-22 | Decoding of multiple audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201901942TA true SG11201901942TA (en) | 2019-05-30 |
Family
ID=62022507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201901942TA SG11201901942TA (en) | 2016-10-31 | 2017-09-22 | Decoding of multiple audio signals |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US10224042B2 (en) |
| EP (2) | EP3855431A1 (en) |
| KR (2) | KR102505148B1 (en) |
| CN (2) | CN109844858B (en) |
| BR (1) | BR112019007968A2 (en) |
| SG (1) | SG11201901942TA (en) |
| TW (1) | TWI806839B (en) |
| WO (1) | WO2018080683A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3405951B1 (en) | 2016-01-22 | 2019-11-13 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization |
| US10224042B2 (en) | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
| CN108269577B (en) | 2016-12-30 | 2019-10-22 | 华为技术有限公司 | Stereo encoding method and stereophonic encoder |
| US10304468B2 (en) * | 2017-03-20 | 2019-05-28 | Qualcomm Incorporated | Target sample generation |
| US10878879B2 (en) * | 2017-06-21 | 2020-12-29 | Mediatek Inc. | Refresh control method for memory system to perform refresh action on all memory banks of the memory system within refresh window |
| US10932122B1 (en) * | 2019-06-07 | 2021-02-23 | Sprint Communications Company L.P. | User equipment beam effectiveness |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5557647A (en) * | 1993-01-06 | 1996-09-17 | Kabushiki Kaisha Toshiba | Baseband signal demodulator |
| US6973184B1 (en) | 2000-07-11 | 2005-12-06 | Cisco Technology, Inc. | System and method for stereo conferencing over low-bandwidth links |
| JP3923783B2 (en) * | 2001-11-02 | 2007-06-06 | 松下電器産業株式会社 | Encoding device and decoding device |
| BR0304541A (en) * | 2002-04-22 | 2004-07-20 | Koninkl Philips Electronics Nv | Method and arrangement for synthesizing a first and second output signal from an input signal, apparatus for providing a decoded audio signal, decoded multichannel signal, and storage medium |
| DE60326782D1 (en) * | 2002-04-22 | 2009-04-30 | Koninkl Philips Electronics Nv | Decoding device with decorrelation unit |
| RU2392671C2 (en) * | 2004-04-05 | 2010-06-20 | Конинклейке Филипс Электроникс Н.В. | Methods and devices for coding and decoding stereo signal |
| US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| EP1853092B1 (en) * | 2006-05-04 | 2011-10-05 | LG Electronics, Inc. | Enhancing stereo audio with remix capability |
| KR101408183B1 (en) | 2007-12-21 | 2014-06-19 | 오렌지 | Transform-based coding/decoding, with adaptive windows |
| EP2232485A4 (en) * | 2008-01-01 | 2012-09-26 | Lg Electronics Inc | A method and an apparatus for processing a signal |
| US8060042B2 (en) * | 2008-05-23 | 2011-11-15 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
| JP5122681B2 (en) * | 2008-05-23 | 2013-01-16 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Parametric stereo upmix device, parametric stereo decoder, parametric stereo downmix device, and parametric stereo encoder |
| PL2146344T3 (en) * | 2008-07-17 | 2017-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding/decoding scheme having a switchable bypass |
| US8504378B2 (en) * | 2009-01-22 | 2013-08-06 | Panasonic Corporation | Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same |
| MX2011006248A (en) * | 2009-04-08 | 2011-07-20 | Fraunhofer Ges Forschung | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing. |
| EP2476113B1 (en) * | 2009-09-11 | 2014-08-13 | Nokia Corporation | Method, apparatus and computer program product for audio coding |
| KR20110049068A (en) * | 2009-11-04 | 2011-05-12 | 삼성전자주식회사 | Method and apparatus for encoding/decoding multichannel audio signal |
| EP2323130A1 (en) * | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametric encoding and decoding |
| 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 |
| JP5681290B2 (en) * | 2010-09-28 | 2015-03-04 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | Device for post-processing a decoded multi-channel audio signal or a decoded stereo signal |
| US9025660B2 (en) * | 2011-03-04 | 2015-05-05 | Vixs Systems, Inc. | Video decoder with general video decoding device and methods for use therewith |
| EP2834813B1 (en) * | 2012-04-05 | 2015-09-30 | Huawei Technologies Co., Ltd. | Multi-channel audio encoder and method for encoding a multi-channel audio signal |
| EP2856776B1 (en) * | 2012-05-29 | 2019-03-27 | Nokia Technologies Oy | Stereo audio signal encoder |
| WO2014013294A1 (en) * | 2012-07-19 | 2014-01-23 | Nokia Corporation | Stereo audio signal encoder |
| EP2959479B1 (en) * | 2013-02-21 | 2019-07-03 | Dolby International AB | Methods for parametric multi-channel encoding |
| JP6013646B2 (en) * | 2013-04-05 | 2016-10-25 | ドルビー・インターナショナル・アーベー | Audio processing system |
| GB2518823A (en) * | 2013-09-25 | 2015-04-08 | Sony Corp | Data encoding and decoding |
| CN105765655A (en) * | 2013-11-22 | 2016-07-13 | 高通股份有限公司 | Selective phase compensation in high band coding |
| KR102125410B1 (en) * | 2015-02-26 | 2020-06-22 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | Apparatus and method for processing audio signal to obtain processed audio signal using target time domain envelope |
| EP3405951B1 (en) * | 2016-01-22 | 2019-11-13 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization |
| US9978381B2 (en) * | 2016-02-12 | 2018-05-22 | Qualcomm Incorporated | Encoding of multiple audio signals |
| US10224042B2 (en) | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
-
2017
- 2017-09-21 US US15/711,538 patent/US10224042B2/en active Active
- 2017-09-22 WO PCT/US2017/053040 patent/WO2018080683A1/en active Search and Examination
- 2017-09-22 SG SG11201901942TA patent/SG11201901942TA/en unknown
- 2017-09-22 EP EP21163375.5A patent/EP3855431A1/en active Pending
- 2017-09-22 KR KR1020197012309A patent/KR102505148B1/en active IP Right Grant
- 2017-09-22 CN CN201780065060.3A patent/CN109844858B/en active Active
- 2017-09-22 CN CN202310604775.9A patent/CN116504255A/en active Pending
- 2017-09-22 BR BR112019007968A patent/BR112019007968A2/en unknown
- 2017-09-22 KR KR1020237006672A patent/KR20230035430A/en not_active Application Discontinuation
- 2017-09-22 EP EP17778149.9A patent/EP3533055A1/en not_active Ceased
- 2017-09-25 TW TW106132827A patent/TWI806839B/en active
-
2019
- 2019-01-16 US US16/249,737 patent/US10891961B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109844858A (en) | 2019-06-04 |
| EP3855431A1 (en) | 2021-07-28 |
| KR102505148B1 (en) | 2023-02-28 |
| TWI806839B (en) | 2023-07-01 |
| US10224042B2 (en) | 2019-03-05 |
| US10891961B2 (en) | 2021-01-12 |
| TW201818398A (en) | 2018-05-16 |
| KR20230035430A (en) | 2023-03-13 |
| EP3533055A1 (en) | 2019-09-04 |
| BR112019007968A2 (en) | 2019-07-09 |
| US20180122385A1 (en) | 2018-05-03 |
| CN116504255A (en) | 2023-07-28 |
| US20190147896A1 (en) | 2019-05-16 |
| CN109844858B (en) | 2023-06-02 |
| WO2018080683A1 (en) | 2018-05-03 |
| KR20190067825A (en) | 2019-06-17 |
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