AU2019323625B2 - Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (IPFs) - Google Patents

Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (IPFs) Download PDF

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Publication number
AU2019323625B2
AU2019323625B2 AU2019323625A AU2019323625A AU2019323625B2 AU 2019323625 B2 AU2019323625 B2 AU 2019323625B2 AU 2019323625 A AU2019323625 A AU 2019323625A AU 2019323625 A AU2019323625 A AU 2019323625A AU 2019323625 B2 AU2019323625 B2 AU 2019323625B2
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frame
frames
sample values
bitstream
encoded
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AU2019323625A1 (en
Inventor
Christof FERSCH
Daniel Fischer
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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)
AU2019323625A 2018-08-21 2019-08-20 Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (IPFs) Active AU2019323625B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2024227722A AU2024227722A1 (en) 2018-08-21 2024-10-29 Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (IPFs)

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 (1)

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AU2024227722A Division AU2024227722A1 (en) 2018-08-21 2024-10-29 Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (IPFs)

Publications (2)

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AU2019323625A1 AU2019323625A1 (en) 2021-04-15
AU2019323625B2 true AU2019323625B2 (en) 2024-08-08

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AU2019323625A Active AU2019323625B2 (en) 2018-08-21 2019-08-20 Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (IPFs)
AU2024227722A Pending AU2024227722A1 (en) 2018-08-21 2024-10-29 Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (IPFs)

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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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WO2018130577A1 (en) * 2017-01-10 2018-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, audio encoder, method for providing a decoded audio signal, method for providing an encoded audio signal, audio stream, audio stream provider and computer program using a stream identifier

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PL1839297T3 (pl) * 2005-01-11 2019-05-31 Koninklijke Philips Nv Skalowalne kodowanie/dekodowanie sygnałów audio
US8532984B2 (en) 2006-07-31 2013-09-10 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of active frames
US8190441B2 (en) 2006-09-11 2012-05-29 Apple Inc. Playback of compressed media files without quantization gaps
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EP3499503B1 (en) 2010-04-13 2024-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoding sample-accurate representation of an audio signal
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PL3522554T3 (pl) 2014-05-28 2021-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procesor danych i transport danych kontrolnych użytkownika do dekoderów audio i modułów renderowania
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Also Published As

Publication number Publication date
AU2024227722A1 (en) 2024-11-21
CN112740325B (zh) 2024-04-16
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
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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