DK3005350T3 - AUDIO CODES AND DECODES - Google Patents
AUDIO CODES AND DECODES Download PDFInfo
- Publication number
- DK3005350T3 DK3005350T3 DK14725736.4T DK14725736T DK3005350T3 DK 3005350 T3 DK3005350 T3 DK 3005350T3 DK 14725736 T DK14725736 T DK 14725736T DK 3005350 T3 DK3005350 T3 DK 3005350T3
- Authority
- DK
- Denmark
- Prior art keywords
- entropy
- vector
- symbol
- encoded
- index value
- Prior art date
Links
- 239000013598 vector Substances 0.000 claims description 173
- 239000011159 matrix material Substances 0.000 claims description 109
- 238000000034 method Methods 0.000 claims description 82
- 230000000737 periodic effect Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 6
- 238000013459 approach Methods 0.000 description 21
- 238000009826 distribution Methods 0.000 description 17
- 230000008901 benefit Effects 0.000 description 14
- 230000005236 sound signal Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 8
- 238000013139 quantization Methods 0.000 description 6
- 238000004422 calculation algorithm Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361827264P | 2013-05-24 | 2013-05-24 | |
| PCT/EP2014/060731 WO2014187988A2 (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK3005350T3 true DK3005350T3 (en) | 2017-07-17 |
Family
ID=50771514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK14725736.4T DK3005350T3 (en) | 2013-05-24 | 2014-05-23 | AUDIO CODES AND DECODES |
Country Status (18)
| Country | Link |
|---|---|
| US (8) | US9704493B2 (enExample) |
| EP (5) | EP3005350B1 (enExample) |
| JP (7) | JP6105159B2 (enExample) |
| KR (10) | KR102715092B1 (enExample) |
| CN (2) | CN105229729B (enExample) |
| AU (1) | AU2014270301B2 (enExample) |
| BR (1) | BR112015029031B1 (enExample) |
| CA (5) | CA2990261C (enExample) |
| DK (1) | DK3005350T3 (enExample) |
| ES (3) | ES2902518T3 (enExample) |
| IL (1) | IL242410B (enExample) |
| MX (3) | MX350117B (enExample) |
| MY (2) | MY199032A (enExample) |
| PL (1) | PL3005350T3 (enExample) |
| RU (3) | RU2676041C1 (enExample) |
| SG (2) | SG10201710019SA (enExample) |
| UA (1) | UA112833C2 (enExample) |
| WO (1) | WO2014187988A2 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2973551B1 (en) | 2013-05-24 | 2017-05-03 | Dolby International AB | Reconstruction of audio scenes from a downmix |
| US9892737B2 (en) | 2013-05-24 | 2018-02-13 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
| SG10201710019SA (en) | 2013-05-24 | 2018-01-30 | Dolby Int Ab | Audio Encoder And Decoder |
| WO2014187991A1 (en) | 2013-05-24 | 2014-11-27 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
| IL309130B2 (en) | 2013-05-24 | 2024-12-01 | Dolby Int Ab | Coding of audio scenes |
| CN105659320B (zh) | 2013-10-21 | 2019-07-12 | 杜比国际公司 | 音频编码器和解码器 |
| WO2015150384A1 (en) | 2014-04-01 | 2015-10-08 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
| GB2528460B (en) * | 2014-07-21 | 2018-05-30 | Gurulogic Microsystems Oy | Encoder, decoder and method |
| WO2017005296A1 (en) * | 2015-07-06 | 2017-01-12 | Nokia Technologies Oy | Bit error detector for an audio signal decoder |
| US10249312B2 (en) | 2015-10-08 | 2019-04-02 | Qualcomm Incorporated | Quantization of spatial vectors |
| US9961475B2 (en) * | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from object-based audio to HOA |
| KR102546098B1 (ko) * | 2016-03-21 | 2023-06-22 | 한국전자통신연구원 | 블록 기반의 오디오 부호화/복호화 장치 및 그 방법 |
| CN107886960B (zh) * | 2016-09-30 | 2020-12-01 | 华为技术有限公司 | 一种音频信号重建方法及装置 |
| CN116324979A (zh) * | 2020-09-28 | 2023-06-23 | 三星电子株式会社 | 音频编码装置和方法，以及音频解码装置和方法 |
| US12259827B2 (en) * | 2023-01-31 | 2025-03-25 | Avago Technologies International Sales Pte. Limited | Systems and methods for address scrambling |
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| JPS615159A (ja) | 1984-06-16 | 1986-01-10 | 株式会社アイジー技術研究所 | サイデイングボ−ド |
| DE4423612A1 (de) | 1994-07-06 | 1996-01-11 | Basf Ag | 2-[(Dihydro)pyrazolyl-3'-oxymethylen]-anilide, Verfahren zu ihrer Herstelung und ihre Verwendung |
| KR100844810B1 (ko) | 2000-12-22 | 2008-07-09 | 소니 가부시끼 가이샤 | 부호화 장치 및 복호 장치 |
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| WO2007096550A2 (fr) | 2006-02-22 | 2007-08-30 | France Telecom | Codage/decodage perfectionnes d'un signal audionumerique, en technique celp |
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| ATE536612T1 (de) * | 2006-10-16 | 2011-12-15 | Dolby Int Ab | Verbesserte kodierungs- und parameterdarstellung von mehrkanaliger abwärtsgemischter objektkodierung |
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| SG10201710019SA (en) * | 2013-05-24 | 2018-01-30 | Dolby Int Ab | Audio Encoder And Decoder |
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2014
- 2014-05-23 SG SG10201710019SA patent/SG10201710019SA/en unknown
- 2014-05-23 WO PCT/EP2014/060731 patent/WO2014187988A2/en not_active Ceased
- 2014-05-23 SG SG11201509001YA patent/SG11201509001YA/en unknown
- 2014-05-23 MX MX2015015926A patent/MX350117B/es active IP Right Grant
- 2014-05-23 CN CN201480029565.0A patent/CN105229729B/zh active Active
- 2014-05-23 CA CA2990261A patent/CA2990261C/en active Active
- 2014-05-23 KR KR1020237028826A patent/KR102715092B1/ko active Active
- 2014-05-23 MX MX2017010953A patent/MX375380B/es unknown
- 2014-05-23 UA UAA201512264A patent/UA112833C2/uk unknown
- 2014-05-23 KR KR1020187024874A patent/KR102072777B1/ko active Active
- 2014-05-23 KR KR1020227036517A patent/KR102572382B1/ko active Active
- 2014-05-23 AU AU2014270301A patent/AU2014270301B2/en active Active
- 2014-05-23 ES ES19193266T patent/ES2902518T3/es active Active
- 2014-05-23 KR KR1020227011202A patent/KR102459010B1/ko active Active
- 2014-05-23 EP EP14725736.4A patent/EP3005350B1/en active Active
- 2014-05-23 EP EP19193266.4A patent/EP3605532B1/en active Active
- 2014-05-23 RU RU2018101246A patent/RU2676041C1/ru active
- 2014-05-23 KR KR1020247033073A patent/KR20240151867A/ko active Pending
- 2014-05-23 CA CA3251568A patent/CA3251568A1/en active Pending
- 2014-05-23 JP JP2016514442A patent/JP6105159B2/ja active Active
- 2014-05-23 BR BR112015029031-0A patent/BR112015029031B1/pt active IP Right Grant
- 2014-05-23 KR KR1020217015014A patent/KR102384348B1/ko active Active
- 2014-05-23 KR KR1020207002641A patent/KR102192245B1/ko active Active
- 2014-05-23 ES ES14725736.4T patent/ES2629025T3/es active Active
- 2014-05-23 CN CN201910125157.XA patent/CN110085238B/zh active Active
- 2014-05-23 KR KR1020157036397A patent/KR101763131B1/ko active Active
- 2014-05-23 MY MYPI2019003013A patent/MY199032A/en unknown
- 2014-05-23 PL PL14725736T patent/PL3005350T3/pl unknown
- 2014-05-23 EP EP23205287.8A patent/EP4290510B1/en active Active
- 2014-05-23 EP EP21198240.0A patent/EP3961622B1/en active Active
- 2014-05-23 RU RU2015155311A patent/RU2643489C2/ru active
- 2014-05-23 ES ES21198240T patent/ES2965423T3/es active Active
- 2014-05-23 EP EP17164543.5A patent/EP3252757B1/en active Active
- 2014-05-23 MY MYPI2015703952A patent/MY173644A/en unknown
- 2014-05-23 US US14/892,722 patent/US9704493B2/en active Active
- 2014-05-23 DK DK14725736.4T patent/DK3005350T3/en active
- 2014-05-23 CA CA3077876A patent/CA3077876C/en active Active
- 2014-05-23 CA CA2911746A patent/CA2911746C/en active Active
- 2014-05-23 KR KR1020207035676A patent/KR102280461B1/ko active Active
- 2014-05-23 CA CA3163664A patent/CA3163664C/en active Active
- 2014-05-23 KR KR1020177020394A patent/KR101895198B1/ko active Active
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2015
- 2015-11-02 IL IL242410A patent/IL242410B/en active IP Right Grant
- 2015-11-19 MX MX2020010038A patent/MX2020010038A/es unknown
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2017
- 2017-03-01 JP JP2017038524A patent/JP6573640B2/ja active Active
- 2017-07-06 US US15/643,416 patent/US9940939B2/en active Active
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2018
- 2018-04-05 US US15/946,529 patent/US10418038B2/en active Active
- 2018-12-14 RU RU2018144368A patent/RU2710909C1/ru active
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2019
- 2019-08-13 JP JP2019148473A patent/JP6920382B2/ja active Active
- 2019-09-17 US US16/573,488 patent/US10714104B2/en active Active
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2020
- 2020-07-10 US US16/925,898 patent/US11024320B2/en active Active
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2021
- 2021-05-28 US US17/333,527 patent/US11594233B2/en active Active
- 2021-07-26 JP JP2021121510A patent/JP7258086B2/ja active Active
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2023
- 2023-02-27 US US18/114,885 patent/US12236961B2/en active Active
- 2023-04-04 JP JP2023060522A patent/JP7585379B2/ja active Active
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2024
- 2024-11-06 JP JP2024194253A patent/JP2025028867A/ja active Pending
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2025
- 2025-02-24 US US19/061,905 patent/US20250356860A1/en active Pending
- 2025-04-10 JP JP2025064679A patent/JP2025100674A/ja active Pending
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