SG11202004430YA - Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions - Google Patents
Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutionsInfo
- Publication number
- SG11202004430YA SG11202004430YA SG11202004430YA SG11202004430YA SG11202004430YA SG 11202004430Y A SG11202004430Y A SG 11202004430YA SG 11202004430Y A SG11202004430Y A SG 11202004430YA SG 11202004430Y A SG11202004430Y A SG 11202004430YA SG 11202004430Y A SG11202004430Y A SG 11202004430YA
- Authority
- SG
- Singapore
- Prior art keywords
- encoding
- different time
- audio coding
- coding parameters
- directional audio
- Prior art date
Links
Classifications
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- 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
-
- 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
- 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
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
- G10L19/04—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
-
- 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
- G10L19/04—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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3082—Vector coding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/60—General implementation details not specific to a particular type of compression
- H03M7/6005—Decoder aspects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/60—General implementation details not specific to a particular type of compression
- H03M7/6011—Encoder aspects
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17202393 | 2017-11-17 | ||
| PCT/EP2018/081620 WO2019097017A1 (en) | 2017-11-17 | 2018-11-16 | Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202004430YA true SG11202004430YA (en) | 2020-06-29 |
Family
ID=60515115
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202004430YA SG11202004430YA (en) | 2017-11-17 | 2018-11-16 | Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions |
| SG11202004389VA SG11202004389VA (en) | 2017-11-17 | 2018-11-16 | Apparatus and method for encoding or decoding directional audio coding parameters using quantization and entropy coding |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202004389VA SG11202004389VA (en) | 2017-11-17 | 2018-11-16 | Apparatus and method for encoding or decoding directional audio coding parameters using quantization and entropy coding |
Country Status (19)
| Country | Link |
|---|---|
| US (4) | US11367454B2 (en) |
| EP (3) | EP3711047B1 (en) |
| JP (5) | JP7175979B2 (en) |
| KR (3) | KR102599743B1 (en) |
| CN (3) | CN117351970A (en) |
| AR (2) | AR113525A1 (en) |
| AU (2) | AU2018368588B2 (en) |
| BR (2) | BR112020011026A2 (en) |
| CA (2) | CA3083891C (en) |
| ES (1) | ES2930374T3 (en) |
| FI (1) | FI3711047T3 (en) |
| MX (2) | MX2020005044A (en) |
| PL (1) | PL3711047T3 (en) |
| PT (1) | PT3711047T (en) |
| RU (2) | RU2763313C2 (en) |
| SG (2) | SG11202004430YA (en) |
| TW (3) | TWI752281B (en) |
| WO (2) | WO2019097018A1 (en) |
| ZA (2) | ZA202003473B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7175979B2 (en) * | 2017-11-17 | 2022-11-21 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | Apparatus and method for encoding or decoding directional audio coding parameters using various time/frequency resolutions |
| GB2572761A (en) | 2018-04-09 | 2019-10-16 | Nokia Technologies Oy | Quantization of spatial audio parameters |
| GB2575305A (en) * | 2018-07-05 | 2020-01-08 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
| JP2022511156A (en) | 2018-11-13 | 2022-01-31 | ドルビー ラボラトリーズ ライセンシング コーポレイション | Representation of spatial audio with audio signals and related metadata |
| GB2585187A (en) * | 2019-06-25 | 2021-01-06 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
| GB2586214A (en) * | 2019-07-31 | 2021-02-17 | Nokia Technologies Oy | Quantization of spatial audio direction parameters |
| GB2586461A (en) * | 2019-08-16 | 2021-02-24 | Nokia Technologies Oy | Quantization of spatial audio direction parameters |
| GB2586586A (en) | 2019-08-16 | 2021-03-03 | Nokia Technologies Oy | Quantization of spatial audio direction parameters |
| CN110660401B (en) * | 2019-09-02 | 2021-09-24 | 武汉大学 | Audio object coding and decoding method based on high-low frequency domain resolution switching |
| GB2587196A (en) | 2019-09-13 | 2021-03-24 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
| CN114391257A (en) * | 2019-09-25 | 2022-04-22 | 松下电器（美国）知识产权公司 | Encoding device, decoding device, encoding method, and decoding method |
| GB2590650A (en) * | 2019-12-23 | 2021-07-07 | Nokia Technologies Oy | The merging of spatial audio parameters |
| GB2590651A (en) | 2019-12-23 | 2021-07-07 | Nokia Technologies Oy | Combining of spatial audio parameters |
| GB2590913A (en) * | 2019-12-31 | 2021-07-14 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| GB2592896A (en) * | 2020-01-13 | 2021-09-15 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| GB2595871A (en) * | 2020-06-09 | 2021-12-15 | Nokia Technologies Oy | The reduction of spatial audio parameters |
| GB2595883A (en) * | 2020-06-09 | 2021-12-15 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| KR20220012724A (en) | 2020-07-23 | 2022-02-04 | 효성티앤에스 주식회사 | Bundle module of medium deposit device |
| GB2598104A (en) * | 2020-08-17 | 2022-02-23 | Nokia Technologies Oy | Discontinuous transmission operation for spatial audio parameters |
| GB2598773A (en) * | 2020-09-14 | 2022-03-16 | Nokia Technologies Oy | Quantizing spatial audio parameters |
| GB202014572D0 (en) * | 2020-09-16 | 2020-10-28 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| EP4264603A1 (en) * | 2020-12-15 | 2023-10-25 | Nokia Technologies Oy | Quantizing spatial audio parameters |
| CA3208666A1 (en) * | 2021-01-18 | 2022-07-21 | Nokia Technologies Oy | Transforming spatial audio parameters |
| CN115038027B (en) * | 2021-03-05 | 2023-07-07 | 华为技术有限公司 | HOA coefficient acquisition method and device |
| JP2024512953A (en) * | 2021-03-22 | 2024-03-21 | ノキア テクノロジーズ オサケユイチア | Combining spatial audio streams |
| WO2022223133A1 (en) * | 2021-04-23 | 2022-10-27 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| WO2023147864A1 (en) | 2022-02-03 | 2023-08-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method to transform an audio stream |
| FR3132811A1 (en) * | 2022-02-14 | 2023-08-18 | Orange | Encoding and decoding spherical coordinates using an optimized spherical quantization dictionary |
| WO2023179846A1 (en) * | 2022-03-22 | 2023-09-28 | Nokia Technologies Oy | Parametric spatial audio encoding |
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2018
- 2018-11-16 JP JP2020526987A patent/JP7175979B2/en active Active
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- 2018-11-16 KR KR1020237024617A patent/KR20230110842A/en not_active Application Discontinuation
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- 2018-11-16 PL PL18803985.3T patent/PL3711047T3/en unknown
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2020
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- 2020-06-10 ZA ZA2020/03473A patent/ZA202003473B/en unknown
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2022
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- 2022-08-24 JP JP2022133236A patent/JP2022171686A/en active Pending
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2023
- 2023-08-28 US US18/456,670 patent/US20230410819A1/en active Pending
- 2023-10-18 JP JP2023179870A patent/JP2024003010A/en active Pending
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