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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Priority to CN202410401067.XA priority patent/CN118192926A/zh
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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 Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (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
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
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

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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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
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

Publications (2)

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

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CN201980061575.5A Active CN112740325B (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
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

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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

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US (3) US11972769B2 (enExample)
EP (2) EP4224473B1 (enExample)
JP (2) JP7455812B2 (enExample)
KR (2) KR102852659B1 (enExample)
CN (3) CN112740325B (enExample)
AU (2) AU2019323625B2 (enExample)
BR (1) BR112021003104A2 (enExample)
CA (1) CA3110137A1 (enExample)
MX (2) MX2021001970A (enExample)
WO (1) WO2020038938A1 (enExample)

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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)
US11967330B2 (en) * 2019-08-15 2024-04-23 Dolby International Ab Methods and devices for generation and processing of modified audio bitstreams
DE112021005027T5 (de) * 2020-09-25 2023-08-10 Apple Inc. Nahtloses skalierbares decodieren von kanälen, objekten und hoa-audioinhalt
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
WO2023021137A1 (en) * 2021-08-19 2023-02-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, method for providing an encoded representation of an audio information, computer program and encoded audio representation using immediate playout frames
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
US20250201255A1 (en) * 2023-12-13 2025-06-19 Qualcomm Incorporated Content-based switchable audio codec
GB2636866A (en) * 2023-12-28 2025-07-02 Nokia Technologies Oy An apparatus and method for immersive audio rendering

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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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Also Published As

Publication number Publication date
JP2021535427A (ja) 2021-12-16
EP3841571A1 (en) 2021-06-30
KR20250133478A (ko) 2025-09-05
JP7831908B2 (ja) 2026-03-17
AU2024227722A1 (en) 2024-11-21
EP4224473B1 (en) 2026-07-01
US12315524B2 (en) 2025-05-27
KR102852659B1 (ko) 2025-08-29
AU2019323625B2 (en) 2024-08-08
CN118192925A (zh) 2024-06-14
US20250336404A1 (en) 2025-10-30
JP2024083353A (ja) 2024-06-21
WO2020038938A1 (en) 2020-02-27
US11972769B2 (en) 2024-04-30
MX2024007726A (es) 2024-07-01
EP4224473A1 (en) 2023-08-09
CN118192926A (zh) 2024-06-14
KR20210043679A (ko) 2021-04-21
JP7455812B2 (ja) 2024-03-26
US20240347068A1 (en) 2024-10-17
CN112740325A (zh) 2021-04-30
AU2019323625A1 (en) 2021-04-15
EP3841571B1 (en) 2023-03-22
BR112021003104A2 (pt) 2021-05-11
MX2021001970A (es) 2021-05-31
CA3110137A1 (en) 2020-02-27
US20210335376A1 (en) 2021-10-28

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