SG11202108895TA - Downmixer and method of downmixing - Google Patents
Downmixer and method of downmixingInfo
- Publication number
- SG11202108895TA SG11202108895TA SG11202108895TA SG11202108895TA SG11202108895TA SG 11202108895T A SG11202108895T A SG 11202108895TA SG 11202108895T A SG11202108895T A SG 11202108895TA SG 11202108895T A SG11202108895T A SG 11202108895TA SG 11202108895T A SG11202108895T A SG 11202108895TA
- Authority
- SG
- Singapore
- Prior art keywords
- downmixer
- downmixing
- Prior art date
Links
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
- G10L19/02—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 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
- 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
- G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/165—Equalizers; Volume or gain control in limited frequency bands
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Complex Calculations (AREA)
- Superheterodyne Receivers (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19161076 | 2019-03-06 | ||
| PCT/EP2020/055669 WO2020178321A1 (en) | 2019-03-06 | 2020-03-04 | Downmixer and method of downmixing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202108895TA true SG11202108895TA (en) | 2021-09-29 |
Family
ID=65801834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202108895TA SG11202108895TA (en) | 2019-03-06 | 2020-03-04 | Downmixer and method of downmixing |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20210375293A1 (en) |
| EP (1) | EP3935630A1 (en) |
| JP (3) | JP7416816B2 (en) |
| KR (1) | KR20210137121A (en) |
| CN (1) | CN113544774A (en) |
| AU (2) | AU2020233210B2 (en) |
| BR (1) | BR112021017197A2 (en) |
| CA (1) | CA3132404A1 (en) |
| MX (1) | MX2021010570A (en) |
| SG (1) | SG11202108895TA (en) |
| TW (2) | TW202042214A (en) |
| WO (2) | WO2020178321A1 (en) |
| ZA (1) | ZA202107327B (en) |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7343281B2 (en) * | 2003-03-17 | 2008-03-11 | Koninklijke Philips Electronics N.V. | Processing of multi-channel signals |
| US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
| KR101079066B1 (en) * | 2004-03-01 | 2011-11-02 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | Multichannel audio coding |
| ES2631906T3 (en) * | 2006-10-25 | 2017-09-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and procedure for generating audio subband values, apparatus and procedure for generating audio samples in the temporal domain |
| KR20080076691A (en) * | 2007-02-14 | 2008-08-20 | 엘지전자 주식회사 | Method and device for decoding and encoding multi-channel audio signal |
| JP5058844B2 (en) | 2008-02-18 | 2012-10-24 | シャープ株式会社 | Audio signal conversion apparatus, audio signal conversion method, control program, and computer-readable recording medium |
| JP5243527B2 (en) * | 2008-07-29 | 2013-07-24 | パナソニック株式会社 | Acoustic encoding apparatus, acoustic decoding apparatus, acoustic encoding / decoding apparatus, and conference system |
| DE102008056704B4 (en) | 2008-11-11 | 2010-11-04 | Institut für Rundfunktechnik GmbH | Method for generating a backwards compatible sound format |
| EP2237266A1 (en) * | 2009-04-03 | 2010-10-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal |
| EP2323130A1 (en) | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametric encoding and decoding |
| KR101756838B1 (en) * | 2010-10-13 | 2017-07-11 | 삼성전자주식회사 | Method and apparatus for down-mixing multi channel audio signals |
| EP2786377B1 (en) * | 2011-11-30 | 2016-03-02 | Dolby International AB | Chroma extraction from an audio codec |
| CN104718572B (en) * | 2012-06-04 | 2018-07-31 | 三星电子株式会社 | Audio coding method and device, audio-frequency decoding method and device and the multimedia device using this method and device |
| TWI618051B (en) * | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | Audio signal processing method and apparatus for audio signal enhancement using estimated spatial parameters |
| EP3175634B1 (en) * | 2014-08-01 | 2021-01-06 | Steven Jay Borne | Audio device |
| US10217467B2 (en) * | 2016-06-20 | 2019-02-26 | Qualcomm Incorporated | Encoding and decoding of interchannel phase differences between audio signals |
| FI3539125T3 (en) | 2016-11-08 | 2023-03-21 | Fraunhofer Ges Forschung | Apparatus and method for encoding or decoding a multichannel signal using a side gain and a residual gain |
| ES2830954T3 (en) | 2016-11-08 | 2021-06-07 | Fraunhofer Ges Forschung | Down-mixer and method for down-mixing of at least two channels and multi-channel encoder and multi-channel decoder |
| JP2017058696A (en) * | 2016-12-09 | 2017-03-23 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | Inter-channel difference estimation method and space audio encoder |
| GB2561596A (en) * | 2017-04-20 | 2018-10-24 | Nokia Technologies Oy | Audio signal generation for spatial audio mixing |
-
2020
- 2020-03-04 WO PCT/EP2020/055669 patent/WO2020178321A1/en active Search and Examination
- 2020-03-04 KR KR1020217032037A patent/KR20210137121A/en not_active Application Discontinuation
- 2020-03-04 SG SG11202108895TA patent/SG11202108895TA/en unknown
- 2020-03-04 WO PCT/EP2020/055671 patent/WO2020178322A1/en active Application Filing
- 2020-03-04 AU AU2020233210A patent/AU2020233210B2/en active Active
- 2020-03-04 JP JP2021550157A patent/JP7416816B2/en active Active
- 2020-03-04 CA CA3132404A patent/CA3132404A1/en active Pending
- 2020-03-04 MX MX2021010570A patent/MX2021010570A/en unknown
- 2020-03-04 BR BR112021017197A patent/BR112021017197A2/en unknown
- 2020-03-04 EP EP20706774.5A patent/EP3935630A1/en active Pending
- 2020-03-04 CN CN202080019078.1A patent/CN113544774A/en active Pending
- 2020-03-05 TW TW109107331A patent/TW202042214A/en unknown
- 2020-03-05 TW TW109107332A patent/TWI760705B/en active
-
2021
- 2021-08-12 US US17/400,872 patent/US20210375293A1/en active Pending
- 2021-09-29 ZA ZA2021/07327A patent/ZA202107327B/en unknown
-
2023
- 2023-11-01 AU AU2023258388A patent/AU2023258388A1/en active Pending
- 2023-11-02 JP JP2023188061A patent/JP2024001324A/en active Pending
- 2023-11-02 JP JP2023188062A patent/JP2024001325A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210137121A (en) | 2021-11-17 |
| JP2024001325A (en) | 2024-01-09 |
| JP7416816B2 (en) | 2024-01-17 |
| WO2020178322A1 (en) | 2020-09-10 |
| MX2021010570A (en) | 2021-10-13 |
| CN113544774A (en) | 2021-10-22 |
| TWI760705B (en) | 2022-04-11 |
| CA3132404A1 (en) | 2020-09-10 |
| TW202101427A (en) | 2021-01-01 |
| AU2020233210A1 (en) | 2021-11-04 |
| JP2022522706A (en) | 2022-04-20 |
| AU2020233210B2 (en) | 2023-09-28 |
| TW202042214A (en) | 2020-11-16 |
| BR112021017197A2 (en) | 2021-11-09 |
| WO2020178321A1 (en) | 2020-09-10 |
| ZA202107327B (en) | 2022-08-31 |
| JP2024001324A (en) | 2024-01-09 |
| US20210375293A1 (en) | 2021-12-02 |
| AU2023258388A1 (en) | 2023-11-23 |
| EP3935630A1 (en) | 2022-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3902553A4 (en) | Herbal preparation-enriched cannabinoid composition and method of treatment | |
| EP4031177A4 (en) | Anti-tnfr2 antibodies and methods of use | |
| IL289813A (en) | Anti-tau antibody and use of same | |
| EP3759263A4 (en) | Apparatus and method of catalysis | |
| ZA202006092B (en) | Imidazopiperazine inhibitors of transcription activating proteins | |
| EP3895183A4 (en) | Shielding facility and method of making thereof | |
| IL287282A (en) | Anti-mertk antibodies and their methods of use | |
| ZA201903536B (en) | Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder | |
| SG11202012529VA (en) | Means and methods for increased protein expression by use of transcription factors | |
| EP3838901A4 (en) | Compound for treatment of rabies and method for treatment of rabies | |
| EP3948228A4 (en) | Spectroscopy system and method of performing spectroscopy | |
| GB2600569B (en) | Device Coupon and Method of Manufacture thereof | |
| SG11202101056RA (en) | HIGH-Mn STEEL AND METHOD OF PRODUCING SAME | |
| ZA202101308B (en) | Method and apparatus of music education | |
| EP4061848A4 (en) | Anti-ror-2 antibodies and methods of use | |
| EP4059178A4 (en) | Apparatus and method of determining quasi-co-location configuration | |
| SG11202113221RA (en) | Anti-cd137l antibodies and methods of using same | |
| IL276053A (en) | Therapeutic-gard and method of use thereof | |
| GB201913639D0 (en) | Kit and method of using kit | |
| EP3793552A4 (en) | Abhd12 inhibitors and methods of making and using same | |
| PL3774241T3 (en) | Acetylated wood and method of making same | |
| ZA202107327B (en) | Downmixer and method of downmixing | |
| ZA202201160B (en) | Anti-grp78 antibodies and method of use thereof | |
| IL282488A (en) | Guide panel and method of making thereof | |
| EP3968994C0 (en) | Abhd12 inhibitors and methods of making and using same |