GB201803993D0 - Temporal spatial audio parameter smoothing - Google Patents
Temporal spatial audio parameter smoothingInfo
- Publication number
- GB201803993D0 GB201803993D0 GBGB1803993.3A GB201803993A GB201803993D0 GB 201803993 D0 GB201803993 D0 GB 201803993D0 GB 201803993 A GB201803993 A GB 201803993A GB 201803993 D0 GB201803993 D0 GB 201803993D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- spatial audio
- audio parameter
- temporal spatial
- parameter smoothing
- smoothing
- 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.)
- Withdrawn
Links
- 238000009499 grossing Methods 0.000 title 1
- 230000002123 temporal effect Effects 0.000 title 1
Classifications
-
- 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
- G10L19/008—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
-
- 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
- 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
- H04S7/303—Tracking of listener position or orientation
- H04S7/304—For headphones
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0012—Smoothing of parameters of the decoder interpolation
-
- 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
-
- 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
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- 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
- H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1803993.3A GB2571949A (en) | 2018-03-13 | 2018-03-13 | Temporal spatial audio parameter smoothing |
EP19767481.5A EP3766262B1 (en) | 2018-03-13 | 2019-03-07 | Spatial audio parameter smoothing |
PCT/FI2019/050178 WO2019175472A1 (en) | 2018-03-13 | 2019-03-07 | Temporal spatial audio parameter smoothing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1803993.3A GB2571949A (en) | 2018-03-13 | 2018-03-13 | Temporal spatial audio parameter smoothing |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201803993D0 true GB201803993D0 (en) | 2018-04-25 |
GB2571949A GB2571949A (en) | 2019-09-18 |
Family
ID=61972940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1803993.3A Withdrawn GB2571949A (en) | 2018-03-13 | 2018-03-13 | Temporal spatial audio parameter smoothing |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3766262B1 (en) |
GB (1) | GB2571949A (en) |
WO (1) | WO2019175472A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3761672B1 (en) | 2019-07-02 | 2023-04-05 | Dolby International AB | Using metadata to aggregate signal processing operations |
GB2593419A (en) * | 2019-10-11 | 2021-09-29 | Nokia Technologies Oy | Spatial audio representation and rendering |
TW202123220A (en) | 2019-10-30 | 2021-06-16 | 美商杜拜研究特許公司 | Multichannel audio encode and decode using directional metadata |
JP2023549033A (en) * | 2020-10-09 | 2023-11-22 | フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | Apparatus, method or computer program for processing encoded audio scenes using parametric smoothing |
EP4178231A1 (en) * | 2021-11-09 | 2023-05-10 | Nokia Technologies Oy | Spatial audio reproduction by positioning at least part of a sound field |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7983922B2 (en) * | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
US8295494B2 (en) | 2007-08-13 | 2012-10-23 | Lg Electronics Inc. | Enhancing audio with remixing capability |
PL2727381T3 (en) * | 2011-07-01 | 2022-05-02 | Dolby Laboratories Licensing Corporation | Apparatus and method for rendering audio objects |
WO2013181272A2 (en) | 2012-05-31 | 2013-12-05 | Dts Llc | Object-based audio system using vector base amplitude panning |
DE102012017296B4 (en) * | 2012-08-31 | 2014-07-03 | Hamburg Innovation Gmbh | Generation of multichannel sound from stereo audio signals |
WO2014162171A1 (en) | 2013-04-04 | 2014-10-09 | Nokia Corporation | Visual audio processing apparatus |
JP6187131B2 (en) | 2013-10-17 | 2017-08-30 | ヤマハ株式会社 | Sound image localization device |
EP2942981A1 (en) | 2014-05-05 | 2015-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | System, apparatus and method for consistent acoustic scene reproduction based on adaptive functions |
CN105336335B (en) * | 2014-07-25 | 2020-12-08 | 杜比实验室特许公司 | Audio object extraction with sub-band object probability estimation |
US10045145B2 (en) * | 2015-12-18 | 2018-08-07 | Qualcomm Incorporated | Temporal offset estimation |
WO2018213159A1 (en) * | 2017-05-15 | 2018-11-22 | Dolby Laboratories Licensing Corporation | Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals |
-
2018
- 2018-03-13 GB GB1803993.3A patent/GB2571949A/en not_active Withdrawn
-
2019
- 2019-03-07 EP EP19767481.5A patent/EP3766262B1/en active Active
- 2019-03-07 WO PCT/FI2019/050178 patent/WO2019175472A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019175472A1 (en) | 2019-09-19 |
EP3766262B1 (en) | 2022-11-23 |
EP3766262A1 (en) | 2021-01-20 |
EP3766262A4 (en) | 2021-11-10 |
GB2571949A (en) | 2019-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |