CN112740325B - 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统 - Google Patents

即时播放帧(ipf)的生成、传输及处理的方法、设备及系统 Download PDF

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Publication number
CN112740325B
CN112740325B CN201980061575.5A CN201980061575A CN112740325B CN 112740325 B CN112740325 B CN 112740325B CN 201980061575 A CN201980061575 A CN 201980061575A CN 112740325 B CN112740325 B CN 112740325B
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China
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frame
audio
bitstream
encoded
sample values
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CN112740325A (zh
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克里斯托弗·费尔施
丹尼尔·费希尔
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Dolby International AB
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Dolby International AB
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
    • 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
    • G10L19/04—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 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
    • G10L19/04—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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201980061575.5A 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统 Active CN112740325B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202410401067.XA CN118192926A (zh) 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统
CN202410401063.1A CN118192925A (zh) 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862720680P 2018-08-21 2018-08-21
US62/720,680 2018-08-21
PCT/EP2019/072258 WO2020038938A1 (en) 2018-08-21 2019-08-20 Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (ipfs)

Related Child Applications (2)

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CN202410401067.XA Division CN118192926A (zh) 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统
CN202410401063.1A Division CN118192925A (zh) 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统

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CN112740325A CN112740325A (zh) 2021-04-30
CN112740325B true CN112740325B (zh) 2024-04-16

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CN202410401067.XA Pending CN118192926A (zh) 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统
CN202410401063.1A Pending CN118192925A (zh) 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统

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CN202410401063.1A Pending CN118192925A (zh) 2018-08-21 2019-08-20 即时播放帧(ipf)的生成、传输及处理的方法、设备及系统

Country Status (10)

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US (3) US11972769B2 (https=)
EP (2) EP3841571B1 (https=)
JP (2) JP7455812B2 (https=)
KR (2) KR20250133478A (https=)
CN (3) CN112740325B (https=)
AU (2) AU2019323625B2 (https=)
BR (1) BR112021003104A2 (https=)
CA (1) CA3110137A1 (https=)
MX (2) MX2021001970A (https=)
WO (1) WO2020038938A1 (https=)

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BR112021003104A2 (pt) * 2018-08-21 2021-05-11 Dolby International Ab métodos, aparelho e sistemas para geração, transporte e processamento de quadros de reprodução imediata (ipfs)
EP4014506B1 (en) * 2019-08-15 2023-01-11 Dolby International AB Methods and devices for generation and processing of modified audio bitstreams
GB2614482A (en) * 2020-09-25 2023-07-05 Apple Inc Seamless scalable decoding of channels, objects, and hoa audio content
CN115223579B (zh) * 2021-04-20 2025-09-12 华为技术有限公司 一种编解码器协商与切换方法
CN118103906A (zh) * 2021-08-19 2024-05-28 弗劳恩霍夫应用研究促进协会 音频编码器、用于提供音频信息的编码表示的方法、计算机程序、以及使用立即播出帧的编码音频表示
CN114979771A (zh) * 2022-07-26 2022-08-30 北京智象信息技术有限公司 一种多媒体播放器视频预滚水位控制的方法、装置及介质
GB2636866A (en) * 2023-12-28 2025-07-02 Nokia Technologies Oy An apparatus and method for immersive audio rendering

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CN101103393A (zh) * 2005-01-11 2008-01-09 皇家飞利浦电子股份有限公司 音频信号的可缩放编码/解码
WO2014124377A2 (en) * 2013-02-11 2014-08-14 Dolby Laboratories Licensing Corporation Audio bitstreams with supplementary data and encoding and decoding of such bitstreams
CN105745704A (zh) * 2013-10-18 2016-07-06 弗朗霍夫应用科学研究促进协会 音频解码器、用于生成经编码的音频输出数据的装置以及允许将解码器初始化的方法
CN107430867A (zh) * 2015-03-13 2017-12-01 杜比国际公司 解码在至少一个填充元素中具有增强的频谱带复制元数据的音频位流
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AU2024227722A1 (en) 2024-11-21
JP2021535427A (ja) 2021-12-16
CA3110137A1 (en) 2020-02-27
JP2024083353A (ja) 2024-06-21
KR20250133478A (ko) 2025-09-05
JP7831908B2 (ja) 2026-03-17
KR20210043679A (ko) 2021-04-21
AU2019323625B2 (en) 2024-08-08
CN118192925A (zh) 2024-06-14
BR112021003104A2 (pt) 2021-05-11
WO2020038938A1 (en) 2020-02-27
EP4224473A1 (en) 2023-08-09
CN112740325A (zh) 2021-04-30
US11972769B2 (en) 2024-04-30
MX2021001970A (es) 2021-05-31
KR102852659B1 (ko) 2025-08-29
US20240347068A1 (en) 2024-10-17
JP7455812B2 (ja) 2024-03-26
AU2019323625A1 (en) 2021-04-15
US20210335376A1 (en) 2021-10-28
US12315524B2 (en) 2025-05-27
CN118192926A (zh) 2024-06-14
US20250336404A1 (en) 2025-10-30
EP3841571A1 (en) 2021-06-30
MX2024007726A (es) 2024-07-01
EP3841571B1 (en) 2023-03-22

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