CA3241847A1 - Method and apparatus for processing of audio data - Google Patents

Method and apparatus for processing of audio data

Info

Publication number
CA3241847A1
CA3241847A1 CA3241847A CA3241847A CA3241847A1 CA 3241847 A1 CA3241847 A1 CA 3241847A1 CA 3241847 A CA3241847 A CA 3241847A CA 3241847 A CA3241847 A CA 3241847A CA 3241847 A1 CA3241847 A1 CA 3241847A1
Authority
CA
Canada
Prior art keywords
drc
dynamic
loudness
audio data
metadata
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
CA3241847A
Other languages
English (en)
French (fr)
Inventor
Christof FERSCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby International AB
Original Assignee
Dolby International AB
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 Dolby International AB filed Critical Dolby International AB
Publication of CA3241847A1 publication Critical patent/CA3241847A1/en
Pending legal-status Critical Current

Links

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
CA3241847A 2021-12-07 2022-08-24 Method and apparatus for processing of audio data Pending CA3241847A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163287029P 2021-12-07 2021-12-07
US63/287,029 2021-12-07
US202163290493P 2021-12-16 2021-12-16
US63/290,493 2021-12-16
PCT/EP2022/073628 WO2023104360A1 (en) 2021-12-07 2022-08-24 Method and apparatus for processing of audio data

Publications (1)

Publication Number Publication Date
CA3241847A1 true CA3241847A1 (en) 2023-06-15

Family

ID=83283345

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3241847A Pending CA3241847A1 (en) 2021-12-07 2022-08-24 Method and apparatus for processing of audio data

Country Status (8)

Country Link
US (1) US20250046318A1 (https=)
EP (1) EP4445365A1 (https=)
JP (1) JP2024543726A (https=)
KR (1) KR20240118131A (https=)
AU (1) AU2022405503A1 (https=)
CA (1) CA3241847A1 (https=)
MX (1) MX2024006931A (https=)
WO (1) WO2023104360A1 (https=)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3044786B1 (en) * 2013-09-12 2024-04-24 Dolby Laboratories Licensing Corporation Loudness adjustment for downmixed audio content
EP4472075B1 (en) * 2014-10-01 2026-01-14 Dolby International AB Decoding an encoded audio signal using drc profiles
US9837086B2 (en) * 2015-07-31 2017-12-05 Apple Inc. Encoded audio extended metadata-based dynamic range control

Also Published As

Publication number Publication date
KR20240118131A (ko) 2024-08-02
EP4445365A1 (en) 2024-10-16
MX2024006931A (es) 2024-06-20
WO2023104360A1 (en) 2023-06-15
US20250046318A1 (en) 2025-02-06
AU2022405503A1 (en) 2024-06-20
JP2024543726A (ja) 2024-11-22

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