EA201992556A1 - Аудиодекодер и способ декодирования - Google Patents
Аудиодекодер и способ декодированияInfo
- Publication number
- EA201992556A1 EA201992556A1 EA201992556A EA201992556A EA201992556A1 EA 201992556 A1 EA201992556 A1 EA 201992556A1 EA 201992556 A EA201992556 A EA 201992556A EA 201992556 A EA201992556 A EA 201992556A EA 201992556 A1 EA201992556 A1 EA 201992556A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- representation
- decoding method
- audio decoder
- parameters
- objects
- Prior art date
Links
- 230000009466 transformation Effects 0.000 abstract 2
- 239000011159 matrix material Substances 0.000 abstract 1
- 230000001131 transforming effect Effects 0.000 abstract 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
- G10L19/02—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
- G10L19/0212—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 orthogonal transformation
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- 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
-
- 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
- G10L19/0204—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
-
- 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
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/03—Aspects of the reduction of energy consumption in hearing devices
-
- 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
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
-
- 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
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Способ представления второго представления аудиоканалов или объектов как потока данных, причем способ содержит следующие этапы: (a) обеспечение множества базовых сигналов, базовые сигналы представляют первое представление аудиоканалов или объектов; (b) обеспечение множества параметров преобразования, параметры преобразования предназначены для преобразования первого представления во второе представление; параметры преобразования также заданы для по меньшей мере двух частотных полос и включают в себя множество параметров матрицы свертки с несколькими отводами по меньшей мере для одной из частотных полос.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15189008 | 2015-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
EA201992556A1 true EA201992556A1 (ru) | 2021-03-31 |
Family
ID=54288726
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201890557A EA034371B1 (ru) | 2015-08-25 | 2016-08-23 | Аудиодекодер и способ декодирования |
EA201992556A EA201992556A1 (ru) | 2015-10-08 | 2016-08-23 | Аудиодекодер и способ декодирования |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201890557A EA034371B1 (ru) | 2015-08-25 | 2016-08-23 | Аудиодекодер и способ декодирования |
Country Status (12)
Country | Link |
---|---|
US (5) | US10672408B2 (ru) |
EP (3) | EP3748994B1 (ru) |
JP (2) | JP6797187B2 (ru) |
KR (2) | KR102517867B1 (ru) |
CN (3) | CN111970630B (ru) |
AU (3) | AU2016312404B2 (ru) |
CA (1) | CA2999271A1 (ru) |
EA (2) | EA034371B1 (ru) |
ES (1) | ES2956344T3 (ru) |
HK (1) | HK1257672A1 (ru) |
PH (1) | PH12018500649A1 (ru) |
WO (1) | WO2017035163A1 (ru) |
Families Citing this family (11)
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EP3748994B1 (en) | 2015-08-25 | 2023-08-16 | Dolby Laboratories Licensing Corporation | Audio decoder and decoding method |
WO2017132082A1 (en) | 2016-01-27 | 2017-08-03 | Dolby Laboratories Licensing Corporation | Acoustic environment simulation |
US10375496B2 (en) | 2016-01-29 | 2019-08-06 | Dolby Laboratories Licensing Corporation | Binaural dialogue enhancement |
FR3048808A1 (fr) * | 2016-03-10 | 2017-09-15 | Orange | Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal |
US10764709B2 (en) | 2017-01-13 | 2020-09-01 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for dynamic equalization for cross-talk cancellation |
CN112567769B (zh) * | 2018-08-21 | 2022-11-04 | 索尼公司 | 音频再现装置、音频再现方法和存储介质 |
JP2021184509A (ja) * | 2018-08-29 | 2021-12-02 | ソニーグループ株式会社 | 信号処理装置、信号処理方法、及び、プログラム |
WO2020212390A1 (en) | 2019-04-15 | 2020-10-22 | Dolby International Ab | Dialogue enhancement in audio codec |
JP7286876B2 (ja) * | 2019-09-23 | 2023-06-05 | 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 | 変換パラメータによるオーディオ符号化/復号化 |
CN112133319B (zh) * | 2020-08-31 | 2024-09-06 | 腾讯音乐娱乐科技(深圳)有限公司 | 音频生成的方法、装置、设备及存储介质 |
CN112489668B (zh) * | 2020-11-04 | 2024-02-02 | 北京百度网讯科技有限公司 | 去混响方法、装置、电子设备和存储介质 |
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KR100880647B1 (ko) * | 2005-08-30 | 2009-01-30 | 엘지전자 주식회사 | 오디오 신호의 인코딩 및 디코딩 장치, 및 방법 |
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2016
- 2016-08-23 EP EP20187841.0A patent/EP3748994B1/en active Active
- 2016-08-23 EA EA201890557A patent/EA034371B1/ru not_active IP Right Cessation
- 2016-08-23 AU AU2016312404A patent/AU2016312404B2/en active Active
- 2016-08-23 EP EP16760281.2A patent/EP3342188B1/en active Active
- 2016-08-23 CN CN202010976981.9A patent/CN111970630B/zh active Active
- 2016-08-23 US US15/752,699 patent/US10672408B2/en active Active
- 2016-08-23 JP JP2018509898A patent/JP6797187B2/ja active Active
- 2016-08-23 EA EA201992556A patent/EA201992556A1/ru unknown
- 2016-08-23 ES ES20187841T patent/ES2956344T3/es active Active
- 2016-08-23 KR KR1020187008298A patent/KR102517867B1/ko active IP Right Grant
- 2016-08-23 CN CN202010976967.9A patent/CN111970629B/zh active Active
- 2016-08-23 WO PCT/US2016/048233 patent/WO2017035163A1/en active Application Filing
- 2016-08-23 CN CN201680062186.0A patent/CN108353242B/zh active Active
- 2016-08-23 CA CA2999271A patent/CA2999271A1/en active Pending
- 2016-08-23 KR KR1020237011008A patent/KR20230048461A/ko not_active Application Discontinuation
- 2016-08-23 EP EP23187005.6A patent/EP4254406A3/en active Pending
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2018
- 2018-03-23 PH PH12018500649A patent/PH12018500649A1/en unknown
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2019
- 2019-01-02 HK HK19100036.5A patent/HK1257672A1/zh unknown
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2020
- 2020-05-26 US US16/882,747 patent/US11423917B2/en active Active
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2021
- 2021-02-19 AU AU2021201082A patent/AU2021201082B2/en active Active
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2022
- 2022-08-13 US US17/887,429 patent/US11705143B2/en active Active
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2023
- 2023-02-14 JP JP2023020846A patent/JP2023053304A/ja active Pending
- 2023-04-19 AU AU2023202400A patent/AU2023202400B2/en active Active
- 2023-07-13 US US18/351,769 patent/US12002480B2/en active Active
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2024
- 2024-04-29 US US18/649,738 patent/US20240282323A1/en active Pending
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