KR20240043809A - 오디오 데이터의 메타데이터 기반 동적 프로세싱을 위한 방법 및 장치 - Google Patents

오디오 데이터의 메타데이터 기반 동적 프로세싱을 위한 방법 및 장치 Download PDF

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Publication number
KR20240043809A
KR20240043809A KR1020247009065A KR20247009065A KR20240043809A KR 20240043809 A KR20240043809 A KR 20240043809A KR 1020247009065 A KR1020247009065 A KR 1020247009065A KR 20247009065 A KR20247009065 A KR 20247009065A KR 20240043809 A KR20240043809 A KR 20240043809A
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KR
South Korea
Prior art keywords
metadata
audio data
dynamic
bitstream
loudness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020247009065A
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English (en)
Korean (ko)
Inventor
크리스토프 페르쉬
스콧 그레고리 노크로스
Original Assignee
돌비 레버러토리즈 라이쎈싱 코오포레이션
돌비 인터네셔널 에이비
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 돌비 레버러토리즈 라이쎈싱 코오포레이션, 돌비 인터네셔널 에이비 filed Critical 돌비 레버러토리즈 라이쎈싱 코오포레이션
Publication of KR20240043809A publication Critical patent/KR20240043809A/ko
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude
    • H03G11/008—Limiting amplitude; Limiting rate of change of amplitude of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/002—Control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Control Of Amplification And Gain Control (AREA)
KR1020247009065A 2021-08-26 2022-08-24 오디오 데이터의 메타데이터 기반 동적 프로세싱을 위한 방법 및 장치 Pending KR20240043809A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163237231P 2021-08-26 2021-08-26
EP21193209.0 2021-08-26
EP21193209 2021-08-26
US63/237,231 2021-08-26
US202163251307P 2021-10-01 2021-10-01
US63/251,307 2021-10-01
PCT/US2022/041388 WO2023028154A1 (en) 2021-08-26 2022-08-24 Method and apparatus for metadata-based dynamic processing of audio data

Publications (1)

Publication Number Publication Date
KR20240043809A true KR20240043809A (ko) 2024-04-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247009065A Pending KR20240043809A (ko) 2021-08-26 2022-08-24 오디오 데이터의 메타데이터 기반 동적 프로세싱을 위한 방법 및 장치

Country Status (11)

Country Link
US (1) US20240355338A1 (https=)
EP (2) EP4683218A3 (https=)
JP (1) JP2024531963A (https=)
KR (1) KR20240043809A (https=)
AU (1) AU2022332970A1 (https=)
CA (1) CA3230363A1 (https=)
CL (1) CL2024000531A1 (https=)
ES (1) ES3059022T3 (https=)
IL (1) IL310650A (https=)
MX (1) MX2024002300A (https=)
WO (1) WO2023028154A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240412748A1 (en) * 2023-06-07 2024-12-12 The Nielsen Company (Us), Llc Communication of Payload Data Through Altered Sequence of Metadata Defining Audio-Rendering Directives

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014113471A1 (en) * 2013-01-21 2014-07-24 Dolby Laboratories Licensing Corporation System and method for optimizing loudness and dynamic range across different playback devices
EP3044786B1 (en) * 2013-09-12 2024-04-24 Dolby Laboratories Licensing Corporation Loudness adjustment for downmixed audio content
US9837086B2 (en) * 2015-07-31 2017-12-05 Apple Inc. Encoded audio extended metadata-based dynamic range control
US9934790B2 (en) * 2015-07-31 2018-04-03 Apple Inc. Encoded audio metadata-based equalization
US10356545B2 (en) * 2016-09-23 2019-07-16 Gaudio Lab, Inc. Method and device for processing audio signal by using metadata
JP7266916B2 (ja) * 2019-03-14 2023-05-01 ガウディオ・ラボ・インコーポレイテッド ラウドネスレベルを制御するオーディオ信号処理方法及び装置

Also Published As

Publication number Publication date
US20240355338A1 (en) 2024-10-24
JP2024531963A (ja) 2024-09-03
AU2022332970A1 (en) 2024-02-29
EP4683218A2 (en) 2026-01-21
CL2024000531A1 (es) 2024-12-27
IL310650A (en) 2024-04-01
EP4392970B1 (en) 2025-12-10
CA3230363A1 (en) 2023-03-02
EP4392970A1 (en) 2024-07-03
ES3059022T3 (en) 2026-03-16
WO2023028154A1 (en) 2023-03-02
EP4683218A3 (en) 2026-02-25
MX2024002300A (es) 2024-03-07

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