CN117767898A - 用于各种回放环境的动态范围控制 - Google Patents

用于各种回放环境的动态范围控制 Download PDF

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Publication number
CN117767898A
CN117767898A CN202311785926.1A CN202311785926A CN117767898A CN 117767898 A CN117767898 A CN 117767898A CN 202311785926 A CN202311785926 A CN 202311785926A CN 117767898 A CN117767898 A CN 117767898A
Authority
CN
China
Prior art keywords
gain
audio
gains
drc
default
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
CN202311785926.1A
Other languages
English (en)
Chinese (zh)
Inventor
J·科喷斯
J·瑞德米勒
K·克约尔林
A·格罗舍尔
H·霍伊里奇
A·J·西费尔特
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
Dolby Laboratories Licensing Corp
Original Assignee
Dolby International AB
Dolby Laboratories Licensing Corp
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, Dolby Laboratories Licensing Corp filed Critical Dolby International AB
Publication of CN117767898A publication Critical patent/CN117767898A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • G10L21/0324—Details of processing therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals
    • 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
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • 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)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Control Of Amplification And Gain Control (AREA)
CN202311785926.1A 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制 Pending CN117767898A (zh)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201361877230P 2013-09-12 2013-09-12
US61/877,230 2013-09-12
US201361891324P 2013-10-15 2013-10-15
US61/891,324 2013-10-15
US201461938043P 2014-02-10 2014-02-10
US61/938,043 2014-02-10
CN201480050047.7A CN105556837B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
PCT/US2014/054592 WO2015038475A1 (en) 2013-09-12 2014-09-08 Dynamic range control for a wide variety of playback environments

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201480050047.7A Division CN105556837B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制

Publications (1)

Publication Number Publication Date
CN117767898A true CN117767898A (zh) 2024-03-26

Family

ID=51585228

Family Applications (6)

Application Number Title Priority Date Filing Date
CN202311785926.1A Pending CN117767898A (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201910279663.4A Active CN109920440B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201910279135.9A Active CN109979472B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201910279136.3A Active CN109903776B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201480050047.7A Active CN105556837B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201910279458.8A Active CN109785851B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制

Family Applications After (5)

Application Number Title Priority Date Filing Date
CN201910279663.4A Active CN109920440B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201910279135.9A Active CN109979472B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201910279136.3A Active CN109903776B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201480050047.7A Active CN105556837B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制
CN201910279458.8A Active CN109785851B (zh) 2013-09-12 2014-09-08 用于各种回放环境的动态范围控制

Country Status (6)

Country Link
US (10) US10095468B2 (https=)
EP (3) EP3544181B1 (https=)
JP (10) JP6476192B2 (https=)
CN (6) CN117767898A (https=)
ES (1) ES3061991T3 (https=)
WO (1) WO2015038475A1 (https=)

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