CA2911746C - Audio encoder and decoder - Google Patents
Audio encoder and decoder Download PDFInfo
- Publication number
- CA2911746C CA2911746C CA2911746A CA2911746A CA2911746C CA 2911746 C CA2911746 C CA 2911746C CA 2911746 A CA2911746 A CA 2911746A CA 2911746 A CA2911746 A CA 2911746A CA 2911746 C CA2911746 C CA 2911746C
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- symbol
- vector
- entropy coded
- index value
- encoding
- Prior art date
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- 239000013598 vector Substances 0.000 claims abstract description 204
- 239000011159 matrix material Substances 0.000 claims abstract description 131
- 238000000034 method Methods 0.000 claims abstract description 95
- 230000000737 periodic effect Effects 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 7
- 238000013459 approach Methods 0.000 abstract description 22
- 238000004590 computer program Methods 0.000 abstract description 9
- 238000009826 distribution Methods 0.000 description 15
- 230000008901 benefit Effects 0.000 description 14
- 230000005236 sound signal Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000004422 calculation algorithm Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013139 quantization Methods 0.000 description 4
- 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
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- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Stereophonic System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2990261A CA2990261C (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361827264P | 2013-05-24 | 2013-05-24 | |
| US61/827,264 | 2013-05-24 | ||
| PCT/EP2014/060731 WO2014187988A2 (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2990261A Division CA2990261C (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2911746A1 CA2911746A1 (en) | 2014-11-27 |
| CA2911746C true CA2911746C (en) | 2018-02-13 |
Family
ID=50771514
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2911746A Active CA2911746C (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
| CA3077876A Active CA3077876C (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
| CA3163664A Active CA3163664C (en) | 2013-05-24 | 2014-05-23 | AUDIO ENCODER AND DECODER |
| CA2990261A Active CA2990261C (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
| CA3251568A Pending CA3251568A1 (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3077876A Active CA3077876C (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
| CA3163664A Active CA3163664C (en) | 2013-05-24 | 2014-05-23 | AUDIO ENCODER AND DECODER |
| CA2990261A Active CA2990261C (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
| CA3251568A Pending CA3251568A1 (en) | 2013-05-24 | 2014-05-23 | Audio encoder and decoder |
Country Status (18)
| Country | Link |
|---|---|
| US (8) | US9704493B2 (show.php) |
| EP (5) | EP3961622B1 (show.php) |
| JP (7) | JP6105159B2 (show.php) |
| KR (10) | KR102192245B1 (show.php) |
| CN (2) | CN110085238B (show.php) |
| AU (1) | AU2014270301B2 (show.php) |
| BR (1) | BR112015029031B1 (show.php) |
| CA (5) | CA2911746C (show.php) |
| DK (1) | DK3005350T3 (show.php) |
| ES (3) | ES2902518T3 (show.php) |
| IL (1) | IL242410B (show.php) |
| MX (3) | MX375380B (show.php) |
| MY (2) | MY173644A (show.php) |
| PL (1) | PL3005350T3 (show.php) |
| RU (3) | RU2676041C1 (show.php) |
| SG (2) | SG11201509001YA (show.php) |
| UA (1) | UA112833C2 (show.php) |
| WO (1) | WO2014187988A2 (show.php) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102192245B1 (ko) * | 2013-05-24 | 2020-12-17 | 돌비 인터네셔널 에이비 | 오디오 인코더 및 디코더 |
| EP2973551B1 (en) | 2013-05-24 | 2017-05-03 | Dolby International AB | Reconstruction of audio scenes from a downmix |
| JP6190947B2 (ja) | 2013-05-24 | 2017-08-30 | ドルビー・インターナショナル・アーベー | オーディオ・オブジェクトを含むオーディオ・シーンの効率的な符号化 |
| KR101751228B1 (ko) | 2013-05-24 | 2017-06-27 | 돌비 인터네셔널 에이비 | 오디오 오브젝트들을 포함한 오디오 장면들의 효율적 코딩 |
| CA3211326A1 (en) | 2013-05-24 | 2014-11-27 | Dolby International Ab | Coding of audio scenes |
| US10049683B2 (en) | 2013-10-21 | 2018-08-14 | Dolby International Ab | Audio encoder and decoder |
| 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 |
| JP2018526669A (ja) * | 2015-07-06 | 2018-09-13 | ノキア テクノロジーズ オサケユイチア | オーディオ信号デコーダのためのビット・エラー検出器 |
| 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 |
| EP1345331B1 (en) * | 2000-12-22 | 2008-08-20 | Sony Corporation | Encoder |
| JP4008244B2 (ja) * | 2001-03-02 | 2007-11-14 | 松下電器産業株式会社 | 符号化装置および復号化装置 |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| JP2003110429A (ja) * | 2001-09-28 | 2003-04-11 | Sony Corp | 符号化方法及び装置、復号方法及び装置、伝送方法及び装置、並びに記録媒体 |
| JP3982397B2 (ja) | 2001-11-28 | 2007-09-26 | 日本ビクター株式会社 | 可変長符号化データ復号化用プログラム及び可変長符号化データ受信用プログラム |
| US7263692B2 (en) * | 2003-06-30 | 2007-08-28 | Intel Corporation | System and method for software-pipelining of loops with sparse matrix routines |
| CN101695132B (zh) * | 2004-01-20 | 2012-06-27 | 松下电器产业株式会社 | 图像编码方法和设备、图像解码方法和设备 |
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| KR20070037945A (ko) | 2005-10-04 | 2007-04-09 | 삼성전자주식회사 | 오디오 신호의 부호화/복호화 방법 및 장치 |
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| JP5188990B2 (ja) | 2006-02-22 | 2013-04-24 | フランス・テレコム | Ｃｅｌｐ技術における、デジタルオーディオ信号の改善された符号化／復号化 |
| BRPI0708267A2 (pt) * | 2006-02-24 | 2011-05-24 | France Telecom | método de codificação binária de ìndices de quantificação de um envelope de sinal, método de decodificação de um envelope de sinal, e módulos de codificação e decodificação correspondentes |
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| PT2313887T (pt) | 2008-07-10 | 2017-11-14 | Voiceage Corp | Dispositivo e método de quantificação de filtro de lpc de taxa de bits variável e quantificação inversa |
| ES3032422T3 (en) | 2008-07-11 | 2025-07-18 | Fraunhofer Ges Forschung | Method for decoding an audio signal and computer program |
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| KR102192245B1 (ko) * | 2013-05-24 | 2020-12-17 | 돌비 인터네셔널 에이비 | 오디오 인코더 및 디코더 |
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2014
- 2014-05-23 KR KR1020207002641A patent/KR102192245B1/ko active Active
- 2014-05-23 ES ES19193266T patent/ES2902518T3/es active Active
- 2014-05-23 UA UAA201512264A patent/UA112833C2/uk unknown
- 2014-05-23 ES ES14725736.4T patent/ES2629025T3/es active Active
- 2014-05-23 MX MX2017010953A patent/MX375380B/es unknown
- 2014-05-23 RU RU2018101246A patent/RU2676041C1/ru active
- 2014-05-23 EP EP21198240.0A patent/EP3961622B1/en active Active
- 2014-05-23 KR KR1020247033073A patent/KR20240151867A/ko active Pending
- 2014-05-23 CA CA2911746A patent/CA2911746C/en active Active
- 2014-05-23 CN CN201910125157.XA patent/CN110085238B/zh active Active
- 2014-05-23 CA CA3077876A patent/CA3077876C/en active Active
- 2014-05-23 EP EP19193266.4A patent/EP3605532B1/en active Active
- 2014-05-23 SG SG11201509001YA patent/SG11201509001YA/en unknown
- 2014-05-23 SG SG10201710019SA patent/SG10201710019SA/en unknown
- 2014-05-23 KR KR1020227011202A patent/KR102459010B1/ko active Active
- 2014-05-23 JP JP2016514442A patent/JP6105159B2/ja active Active
- 2014-05-23 CA CA3163664A patent/CA3163664C/en active Active
- 2014-05-23 MX MX2015015926A patent/MX350117B/es active IP Right Grant
- 2014-05-23 BR BR112015029031-0A patent/BR112015029031B1/pt active IP Right Grant
- 2014-05-23 KR KR1020237028826A patent/KR102715092B1/ko active Active
- 2014-05-23 PL PL14725736T patent/PL3005350T3/pl unknown
- 2014-05-23 EP EP17164543.5A patent/EP3252757B1/en active Active
- 2014-05-23 ES ES21198240T patent/ES2965423T3/es active Active
- 2014-05-23 US US14/892,722 patent/US9704493B2/en active Active
- 2014-05-23 CN CN201480029565.0A patent/CN105229729B/zh active Active
- 2014-05-23 CA CA2990261A patent/CA2990261C/en active Active
- 2014-05-23 DK DK14725736.4T patent/DK3005350T3/en active
- 2014-05-23 MY MYPI2015703952A patent/MY173644A/en unknown
- 2014-05-23 KR KR1020187024874A patent/KR102072777B1/ko active Active
- 2014-05-23 EP EP23205287.8A patent/EP4290510B1/en active Active
- 2014-05-23 WO PCT/EP2014/060731 patent/WO2014187988A2/en not_active Ceased
- 2014-05-23 CA CA3251568A patent/CA3251568A1/en active Pending
- 2014-05-23 KR KR1020217015014A patent/KR102384348B1/ko active Active
- 2014-05-23 KR KR1020177020394A patent/KR101895198B1/ko active Active
- 2014-05-23 RU RU2015155311A patent/RU2643489C2/ru active
- 2014-05-23 AU AU2014270301A patent/AU2014270301B2/en active Active
- 2014-05-23 KR KR1020227036517A patent/KR102572382B1/ko active Active
- 2014-05-23 KR KR1020207035676A patent/KR102280461B1/ko active Active
- 2014-05-23 KR KR1020157036397A patent/KR101763131B1/ko active Active
- 2014-05-23 MY MYPI2019003013A patent/MY199032A/en unknown
- 2014-05-23 EP EP14725736.4A patent/EP3005350B1/en 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
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| Publication | Publication Date | Title |
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| US12236961B2 (en) | Audio encoder and decoder | |
| HK1246958A1 (en) | Audio encoder and decoder | |
| HK1246958B (en) | Audio encoder and decoder | |
| HK1217246B (en) | Audio encoder and decoder |
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