CA2896807C - Signaling audio rendering information in a bitstream - Google Patents
Signaling audio rendering information in a bitstream Download PDFInfo
- Publication number
- CA2896807C CA2896807C CA2896807A CA2896807A CA2896807C CA 2896807 C CA2896807 C CA 2896807C CA 2896807 A CA2896807 A CA 2896807A CA 2896807 A CA2896807 A CA 2896807A CA 2896807 C CA2896807 C CA 2896807C
- Authority
- CA
- Canada
- Prior art keywords
- bitstream
- audio
- matrix
- speaker feeds
- rendering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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
- G10L19/04—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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- 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
- G10L19/04—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/308—Electronic adaptation dependent on speaker or headphone connection
-
- 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
-
- 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
- H04S2420/11—Application of ambisonics in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361762758P | 2013-02-08 | 2013-02-08 | |
| US61/762,758 | 2013-02-08 | ||
| US14/174,769 US10178489B2 (en) | 2013-02-08 | 2014-02-06 | Signaling audio rendering information in a bitstream |
| US14/174,769 | 2014-02-06 | ||
| PCT/US2014/015305 WO2014124261A1 (en) | 2013-02-08 | 2014-02-07 | Signaling audio rendering information in a bitstream |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2896807A1 CA2896807A1 (en) | 2014-08-14 |
| CA2896807C true CA2896807C (en) | 2021-03-16 |
Family
ID=51297441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2896807A Active CA2896807C (en) | 2013-02-08 | 2014-02-07 | Signaling audio rendering information in a bitstream |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US10178489B2 (enExample) |
| EP (2) | EP3839946B1 (enExample) |
| JP (2) | JP2016510435A (enExample) |
| KR (2) | KR20150115873A (enExample) |
| CN (1) | CN104981869B (enExample) |
| AU (1) | AU2014214786B2 (enExample) |
| BR (1) | BR112015019049B1 (enExample) |
| CA (1) | CA2896807C (enExample) |
| IL (1) | IL239748B (enExample) |
| MY (1) | MY186004A (enExample) |
| PH (1) | PH12015501587B1 (enExample) |
| RU (1) | RU2661775C2 (enExample) |
| SG (1) | SG11201505048YA (enExample) |
| UA (1) | UA118342C2 (enExample) |
| WO (1) | WO2014124261A1 (enExample) |
| ZA (1) | ZA201506576B (enExample) |
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| US9502044B2 (en) | 2013-05-29 | 2016-11-22 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
-
2014
- 2014-02-06 US US14/174,769 patent/US10178489B2/en active Active
- 2014-02-07 KR KR1020157023833A patent/KR20150115873A/ko not_active Ceased
- 2014-02-07 UA UAA201508659A patent/UA118342C2/uk unknown
- 2014-02-07 EP EP20209067.6A patent/EP3839946B1/en active Active
- 2014-02-07 BR BR112015019049-9A patent/BR112015019049B1/pt active IP Right Grant
- 2014-02-07 EP EP14707032.0A patent/EP2954521B1/en active Active
- 2014-02-07 RU RU2015138139A patent/RU2661775C2/ru active
- 2014-02-07 JP JP2015557122A patent/JP2016510435A/ja active Pending
- 2014-02-07 SG SG11201505048YA patent/SG11201505048YA/en unknown
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| EP3839946A1 (en) | 2021-06-23 |
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| BR112015019049B1 (pt) | 2021-12-28 |
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| KR102182761B1 (ko) | 2020-11-25 |
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| EP2954521A1 (en) | 2015-12-16 |
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| UA118342C2 (uk) | 2019-01-10 |
| RU2015138139A (ru) | 2017-03-21 |
| US20140226823A1 (en) | 2014-08-14 |
| AU2014214786B2 (en) | 2019-10-10 |
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