MX2016009912A - Sistema de compresion de audio para comprimir una señal de audio. - Google Patents

Sistema de compresion de audio para comprimir una señal de audio.

Info

Publication number
MX2016009912A
MX2016009912A MX2016009912A MX2016009912A MX2016009912A MX 2016009912 A MX2016009912 A MX 2016009912A MX 2016009912 A MX2016009912 A MX 2016009912A MX 2016009912 A MX2016009912 A MX 2016009912A MX 2016009912 A MX2016009912 A MX 2016009912A
Authority
MX
Mexico
Prior art keywords
audio signal
compression system
compressing
audio
digital filter
Prior art date
Application number
MX2016009912A
Other languages
English (en)
Other versions
MX361826B (es
Inventor
Zhang Qing
Grosche Peter
Lang Yue
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2016009912A publication Critical patent/MX2016009912A/es
Publication of MX361826B publication Critical patent/MX361826B/es

Links

Classifications

    • 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
    • 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/008—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general 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
    • 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
    • H04S7/307—Frequency adjustment, e.g. tone control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

La invención se refiere a un sistema de compresión de audio (100) para comprimir una señal de audio de entrada, el sistema de compresión de audio (100) comprende un filtro digital (101) para filtrar la señal de audio de entrada, el filtro digital (101) comprende una función de transferencia de frecuencia que tiene una magnitud sobre la frecuencia, la magnitud está formada por una curva de sonoridad igual de un oído humano para obtener una señal de audio filtrada, y un compresor (103) configurado para comprimir la señal de audio de entrada con base en la señal de audio filtrada para obtener una señal de audio comprimida.
MX2016009912A 2014-01-30 2014-01-30 Sistema de compresion de audio para comprimir una señal de audio. MX361826B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/051794 WO2015113601A1 (en) 2014-01-30 2014-01-30 An audio compression system for compressing an audio signal

Publications (2)

Publication Number Publication Date
MX2016009912A true MX2016009912A (es) 2017-01-20
MX361826B MX361826B (es) 2018-12-18

Family

ID=50064565

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016009912A MX361826B (es) 2014-01-30 2014-01-30 Sistema de compresion de audio para comprimir una señal de audio.

Country Status (8)

Country Link
US (1) US20160344356A1 (es)
EP (1) EP3100353B1 (es)
JP (1) JP2017506038A (es)
KR (1) KR20160113224A (es)
CN (1) CN105900335B (es)
BR (1) BR112016017756A2 (es)
MX (1) MX361826B (es)
WO (1) WO2015113601A1 (es)

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DE102017216972B4 (de) 2017-09-25 2019-11-21 Carl Von Ossietzky Universität Oldenburg Verfahren und Vorrichtung zur rechnergestützten Verarbeitung von Audiosignalen
KR101942044B1 (ko) * 2018-05-25 2019-01-24 (주)유비아이사운드 다이나믹 부스트 오디오 신호 처리 장치 및 방법
US11012775B2 (en) * 2019-03-22 2021-05-18 Bose Corporation Audio system with limited array signals
CN114127848A (zh) * 2019-07-17 2022-03-01 杜比实验室特许公司 基于检测音频信号中的特定声音来调整齿音检测
US11032642B1 (en) * 2020-03-10 2021-06-08 Nuvoton Technology Corporation Combined frequency response and dynamic range correction for loudspeakers
CN112992159B (zh) * 2021-05-17 2021-08-06 北京百瑞互联技术有限公司 一种lc3音频编解码方法、装置、设备及存储介质
CN114299968A (zh) * 2021-12-30 2022-04-08 深圳万兴软件有限公司 音频多频段分离压缩方法、装置、计算机设备及存储介质
KR20240098312A (ko) 2022-12-21 2024-06-28 서동민 가변 이득 증폭기를 이용한 음량 압축기

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Also Published As

Publication number Publication date
BR112016017756A2 (pt) 2018-05-15
MX361826B (es) 2018-12-18
EP3100353B1 (en) 2022-03-09
KR20160113224A (ko) 2016-09-28
CN105900335A (zh) 2016-08-24
JP2017506038A (ja) 2017-02-23
US20160344356A1 (en) 2016-11-24
EP3100353A1 (en) 2016-12-07
WO2015113601A1 (en) 2015-08-06
CN105900335B (zh) 2019-10-25

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