JP7455812B2 - 即時再生フレーム（ｉｐｆ）の生成、輸送及び処理のための方法、装置及びシステム - Google Patents

即時再生フレーム（ｉｐｆ）の生成、輸送及び処理のための方法、装置及びシステム Download PDF

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JP7455812B2
JP7455812B2 JP2021509899A JP2021509899A JP7455812B2 JP 7455812 B2 JP7455812 B2 JP 7455812B2 JP 2021509899 A JP2021509899 A JP 2021509899A JP 2021509899 A JP2021509899 A JP 2021509899A JP 7455812 B2 JP7455812 B2 JP 7455812B2
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audio
bitstream
frames
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フェルシュ，クリストフ
フィッシャー，ダニエル
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ドルビー・インターナショナル・アーベー
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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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2021509899A 2018-08-21 2019-08-20 即時再生フレーム（ｉｐｆ）の生成、輸送及び処理のための方法、装置及びシステム Active JP7455812B2 (ja)

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JP2024038519A JP7831908B2 (ja) 2018-08-21 2024-03-13 即時再生フレーム（ｉｐｆ）の生成、輸送及び処理のための方法、装置及びシステム

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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)

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JP2021535427A JP2021535427A (ja) 2021-12-16
JP2021535427A5 JP2021535427A5 (https=) 2022-08-17
JP7455812B2 true JP7455812B2 (ja) 2024-03-26

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JP2024038519A Active JP7831908B2 (ja) 2018-08-21 2024-03-13 即時再生フレーム（ｉｐｆ）の生成、輸送及び処理のための方法、装置及びシステム

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US (3) US11972769B2 (https=)
EP (2) EP4224473A1 (https=)
JP (2) JP7455812B2 (https=)
KR (2) KR20250133478A (https=)
CN (3) CN118192926A (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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US12380904B2 (en) * 2020-09-25 2025-08-05 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
EP4388530B1 (en) * 2021-08-19 2025-08-13 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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JP2016539357A (ja) 2013-10-18 2016-12-15 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． 音声デコーダ、符号化音声出力データを生成するための装置、及びデコーダの初期化を可能にする方法

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US20210335376A1 (en) 2021-10-28
AU2024227722A1 (en) 2024-11-21
CA3110137A1 (en) 2020-02-27
KR102852659B1 (ko) 2025-08-29
MX2021001970A (es) 2021-05-31
BR112021003104A2 (pt) 2021-05-11
CN118192925A (zh) 2024-06-14
JP2024083353A (ja) 2024-06-21
CN112740325B (zh) 2024-04-16
JP2021535427A (ja) 2021-12-16
KR20250133478A (ko) 2025-09-05
EP3841571A1 (en) 2021-06-30
CN112740325A (zh) 2021-04-30
MX2024007726A (es) 2024-07-01
JP7831908B2 (ja) 2026-03-17
AU2019323625B2 (en) 2024-08-08
WO2020038938A1 (en) 2020-02-27
AU2019323625A1 (en) 2021-04-15
CN118192926A (zh) 2024-06-14
EP3841571B1 (en) 2023-03-22
KR20210043679A (ko) 2021-04-21
US20250336404A1 (en) 2025-10-30
US11972769B2 (en) 2024-04-30
EP4224473A1 (en) 2023-08-09
US12315524B2 (en) 2025-05-27
US20240347068A1 (en) 2024-10-17

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