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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Prior art keywords
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 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)
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 (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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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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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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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
PL2201566T3 (pl) 2007-09-19 2016-04-29 Ericsson Telefon Ab L M Połączone, wielokanałowe kodowanie/dekodowanie audio
EP2539892B1 (fr) 2010-02-26 2014-04-02 Orange Compression de flux audio multicanal
ES2722224T3 (es) 2010-04-13 2019-08-08 Fraunhofer Ges Forschung Procedimiento y codificador y decodificador para la reproducción sin espacios de una señal de audio
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PL3800898T3 (pl) 2014-05-28 2023-12-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procesor danych i transport danych kontrolnych użytkownika do dekoderów audio i modułów renderowania
EP2996269A1 (en) * 2014-09-09 2016-03-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio splicing concept
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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

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
CN112740325B (zh) 2024-04-16
EP4224473B1 (en) 2026-07-01
US12315524B2 (en) 2025-05-27
KR102852659B1 (ko) 2025-08-29
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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