EA202090186A3 - Кодирование и декодирование звука с использованием параметров преобразования представления - Google Patents
Кодирование и декодирование звука с использованием параметров преобразования представленияInfo
- Publication number
- EA202090186A3 EA202090186A3 EA202090186A EA202090186A EA202090186A3 EA 202090186 A3 EA202090186 A3 EA 202090186A3 EA 202090186 A EA202090186 A EA 202090186A EA 202090186 A EA202090186 A EA 202090186A EA 202090186 A3 EA202090186 A3 EA 202090186A3
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- stream
- representation
- playback
- reproduction
- decoding
- Prior art date
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Classifications
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
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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
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/765—Media network packet handling intermediate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
- H04S3/004—For headphones
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
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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
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
- H04S7/303—Tracking of listener position or orientation
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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
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
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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
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
- H04S7/306—For headphones
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- 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
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- 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
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- 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
- H04S2400/07—Generation or adaptation of the Low Frequency Effect [LFE] channel, e.g. distribution or signal processing
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- 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
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- 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]
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
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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
Abstract
Способ кодирования входного аудиопотока, включающий этапы получения первого представления потока воспроизведения входного аудиопотока, предназначенного для воспроизведения первой системой воспроизведения звука, получения второго представления потока воспроизведения входного аудиопотока, предназначенного для воспроизведения второй системой воспроизведения звука, определения набора параметров преобразования, пригодных для преобразования промежуточного представления потока воспроизведения в приближение второго представления потока воспроизведения, причем параметры преобразования определяются путем минимизации величины разницы между приближением второго представления потока воспроизведения и вторым представлением потока воспроизведения, и кодирования первого представления потока воспроизведения и набора параметров преобразования для передачи в декодер.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15189094 | 2015-10-09 |
Publications (2)
Publication Number | Publication Date |
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EA202090186A2 EA202090186A2 (ru) | 2020-09-30 |
EA202090186A3 true EA202090186A3 (ru) | 2020-12-30 |
Family
ID=54337115
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201890576A EA034936B1 (ru) | 2015-08-25 | 2016-08-24 | Кодирование и декодирование звука с использованием параметров преобразования представления |
EA202090186A EA202090186A3 (ru) | 2015-10-09 | 2016-08-24 | Кодирование и декодирование звука с использованием параметров преобразования представления |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201890576A EA034936B1 (ru) | 2015-08-25 | 2016-08-24 | Кодирование и декодирование звука с использованием параметров преобразования представления |
Country Status (10)
Country | Link |
---|---|
US (3) | US10978079B2 (ru) |
EP (2) | EP4224887A1 (ru) |
KR (2) | KR20230105002A (ru) |
CN (2) | CN112492501B (ru) |
AU (3) | AU2016311335B2 (ru) |
CA (2) | CA3219512A1 (ru) |
EA (2) | EA034936B1 (ru) |
HK (2) | HK1256382A1 (ru) |
PH (1) | PH12018500648A1 (ru) |
WO (1) | WO2017035281A2 (ru) |
Families Citing this family (11)
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ES2956344T3 (es) | 2015-08-25 | 2023-12-19 | Dolby Laboratories Licensing Corp | Descodificador de audio y procedimiento de descodificación |
CA3219512A1 (en) | 2015-08-25 | 2017-03-02 | Dolby International Ab | Audio encoding and decoding using presentation transform parameters |
CA3005113C (en) | 2015-11-17 | 2020-07-21 | Dolby Laboratories Licensing Corporation | Headtracking for parametric binaural output system and method |
KR20240028560A (ko) | 2016-01-27 | 2024-03-05 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 음향 환경 시뮬레이션 |
EP3409029A1 (en) | 2016-01-29 | 2018-12-05 | Dolby Laboratories Licensing Corporation | Binaural dialogue enhancement |
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CN115334444A (zh) | 2018-04-11 | 2022-11-11 | 杜比国际公司 | 用于音频渲染的预渲染信号的方法、设备和系统 |
JP2022530338A (ja) | 2019-04-15 | 2022-06-29 | ドルビー・インターナショナル・アーベー | オーディオコーデックにおける会話拡張 |
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2016
- 2016-08-24 CA CA3219512A patent/CA3219512A1/en active Pending
- 2016-08-24 EP EP23162644.1A patent/EP4224887A1/en active Pending
- 2016-08-24 EA EA201890576A patent/EA034936B1/ru not_active IP Right Cessation
- 2016-08-24 CN CN202011586425.7A patent/CN112492501B/zh active Active
- 2016-08-24 KR KR1020237022337A patent/KR20230105002A/ko not_active Application Discontinuation
- 2016-08-24 CA CA2999328A patent/CA2999328C/en active Active
- 2016-08-24 KR KR1020187008359A patent/KR102551796B1/ko active IP Right Grant
- 2016-08-24 WO PCT/US2016/048497 patent/WO2017035281A2/en active Application Filing
- 2016-08-24 CN CN201680062138.1A patent/CN108141685B/zh active Active
- 2016-08-24 EA EA202090186A patent/EA202090186A3/ru unknown
- 2016-08-24 EP EP16770381.8A patent/EP3342186B1/en active Active
- 2016-08-24 US US15/754,654 patent/US10978079B2/en active Active
- 2016-08-24 AU AU2016311335A patent/AU2016311335B2/en active Active
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2018
- 2018-03-23 PH PH12018500648A patent/PH12018500648A1/en unknown
- 2018-12-04 HK HK18115482.3A patent/HK1256382A1/zh unknown
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2019
- 2019-01-02 HK HK19100037.4A patent/HK1257673A1/zh unknown
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2021
- 2021-04-08 US US17/225,133 patent/US11798567B2/en active Active
- 2021-05-17 AU AU2021203143A patent/AU2021203143B2/en active Active
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2023
- 2023-06-08 AU AU2023203584A patent/AU2023203584A1/en active Pending
- 2023-10-16 US US18/487,232 patent/US20240105186A1/en active Pending
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CN112492501A (zh) | 2021-03-12 |
EA201890576A1 (ru) | 2018-07-31 |
WO2017035281A3 (en) | 2017-05-11 |
US20240105186A1 (en) | 2024-03-28 |
WO2017035281A2 (en) | 2017-03-02 |
EA034936B1 (ru) | 2020-04-08 |
PH12018500648A1 (en) | 2018-10-01 |
HK1257673A1 (zh) | 2019-10-25 |
CN112492501B (zh) | 2022-10-14 |
EA202090186A2 (ru) | 2020-09-30 |
CN108141685B (zh) | 2021-03-02 |
EP3342186B1 (en) | 2023-03-29 |
CA3219512A1 (en) | 2017-03-02 |
AU2016311335B2 (en) | 2021-02-18 |
EP4224887A1 (en) | 2023-08-09 |
KR20180042397A (ko) | 2018-04-25 |
HK1256382A1 (zh) | 2019-09-20 |
US11798567B2 (en) | 2023-10-24 |
KR102551796B1 (ko) | 2023-07-06 |
US20210295852A1 (en) | 2021-09-23 |
AU2021203143B2 (en) | 2023-03-09 |
CN108141685A (zh) | 2018-06-08 |
US20200227052A1 (en) | 2020-07-16 |
US10978079B2 (en) | 2021-04-13 |
CA2999328A1 (en) | 2017-03-02 |
EP3342186A2 (en) | 2018-07-04 |
AU2023203584A1 (en) | 2023-07-06 |
CA2999328C (en) | 2024-01-02 |
KR20230105002A (ko) | 2023-07-11 |
AU2016311335A1 (en) | 2018-04-12 |
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