MX356305B - Un compresor digital para comprimir una señal de audio. - Google Patents

Un compresor digital para comprimir una señal de audio.

Info

Publication number
MX356305B
MX356305B MX2016001168A MX2016001168A MX356305B MX 356305 B MX356305 B MX 356305B MX 2016001168 A MX2016001168 A MX 2016001168A MX 2016001168 A MX2016001168 A MX 2016001168A MX 356305 B MX356305 B MX 356305B
Authority
MX
Mexico
Prior art keywords
compression
audio signal
compressing
auxiliary signal
digital compressor
Prior art date
Application number
MX2016001168A
Other languages
English (en)
Other versions
MX2016001168A (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 MX2016001168A publication Critical patent/MX2016001168A/es
Publication of MX356305B publication Critical patent/MX356305B/es

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

La invención se refiere a un compresor digital (100) para comprimir una señal de audio entrante, el compresor digital (100) comprende un control de ganancia de compresión (101) para proporcionar un parámetro de ganancia de compresión, un determinador de parámetro de compresión (103) para determinar una relación de compresión del parámetro de ganancia de compresión, el determinador del parámetro de compresión (103) estando configurado para ponderar el parámetro de ganancia de compresión por un factor de ponderación predeterminado para obtener la relación de compresión, un generador de señal auxiliar (105) para manipular la señal de audio entrante dependiendo de la relación de compresión para obtener una primera señal auxiliar, y una unidad combinadora (107) para combinar la primera señal auxiliar con el parámetro de ganancia de compresión para obtener una segunda señal auxiliar, y para combinar la señal de audio entrante con la segunda señal auxiliar para obtener la señal de audio comprimida.
MX2016001168A 2014-01-30 2014-01-30 Un compresor digital para comprimir una señal de audio. MX356305B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/051795 WO2015113602A1 (en) 2014-01-30 2014-01-30 A digital compressor for compressing an audio signal

Publications (2)

Publication Number Publication Date
MX2016001168A MX2016001168A (es) 2016-04-29
MX356305B true MX356305B (es) 2018-05-23

Family

ID=50030299

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016001168A MX356305B (es) 2014-01-30 2014-01-30 Un compresor digital para comprimir una señal de audio.

Country Status (10)

Country Link
US (1) US9985597B2 (es)
EP (1) EP2995000B1 (es)
JP (1) JP6388457B2 (es)
KR (1) KR101855969B1 (es)
CN (1) CN105612692B (es)
BR (1) BR112016001809A2 (es)
ES (1) ES2627227T3 (es)
MX (1) MX356305B (es)
PL (1) PL2995000T3 (es)
WO (1) WO2015113602A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10236850B2 (en) * 2016-06-15 2019-03-19 Ess Technology, Inc. Signal processor using multiple frequency bands
KR102356625B1 (ko) * 2017-06-19 2022-01-28 삼성전자주식회사 아날로그 출력의 특성을 향상시키기 위해 이득 제어 및 이득 압축을 수행하는 전자 회로 및 그것을 포함하는 전자 장치
CN107277042B (zh) * 2017-07-21 2020-08-07 中国地质大学（武汉） 一种信号压缩传输的方法、装置及其存储装置
US11011180B2 (en) * 2018-06-29 2021-05-18 Guoguang Electric Company Limited Audio signal dynamic range compression
CN113841197B (zh) * 2019-03-14 2022-12-27 博姆云360公司 具有优先级的空间感知多频带压缩系统
JP7252866B2 (ja) * 2019-09-10 2023-04-05 株式会社東海理化電機製作所 制御装置、制御方法、及びプログラム
JP7344058B2 (ja) * 2019-09-10 2023-09-13 株式会社東海理化電機製作所 制御装置、制御方法、及びプログラム
CN113470692B (zh) * 2020-03-31 2024-02-02 抖音视界有限公司 音频处理方法、装置、可读介质及电子设备
EP4138299A1 (en) * 2021-08-17 2023-02-22 Bang & Olufsen A/S A method for increasing perceived loudness of an audio data signal
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5706352A (en) * 1993-04-07 1998-01-06 K/S Himpp Adaptive gain and filtering circuit for a sound reproduction system
JPH09130184A (ja) * 1995-08-28 1997-05-16 Victor Co Of Japan Ltd デジタル信号処理装置
JPH11225398A (ja) * 1998-02-05 1999-08-17 Matsushita Electric Ind Co Ltd ラウドネス調整方法および補聴器
US6757396B1 (en) * 1998-11-16 2004-06-29 Texas Instruments Incorporated Digital audio dynamic range compressor and method
GB2409389B (en) * 2003-12-09 2005-10-05 Wolfson Ltd Signal processors and associated methods
US7580531B2 (en) * 2004-02-06 2009-08-25 Cirrus Logic, Inc Dynamic range reducing volume control
AU2005299410B2 (en) * 2004-10-26 2011-04-07 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
WO2007119362A1 (ja) * 2006-03-22 2007-10-25 Nec Corporation オーディオ回路
ES2318715T3 (es) * 2006-11-17 2009-05-01 Akg Acoustics Gmbh Compresor de audio.
US8300849B2 (en) * 2007-11-06 2012-10-30 Microsoft Corporation Perceptually weighted digital audio level compression
JP5228840B2 (ja) * 2008-11-27 2013-07-03 ヤマハ株式会社 増幅器
CN102667142B (zh) * 2009-12-09 2015-09-16 唯听助听器公司 在助听器中处理信号的方法、适配助听器的方法和助听器
US9685921B2 (en) * 2012-07-12 2017-06-20 Dts, Inc. Loudness control with noise detection and loudness drop detection

Also Published As

Publication number Publication date
MX2016001168A (es) 2016-04-29
KR101855969B1 (ko) 2018-06-25
KR20160014027A (ko) 2016-02-05
PL2995000T3 (pl) 2017-09-29
CN105612692A (zh) 2016-05-25
BR112016001809A2 (pt) 2017-08-01
JP6388457B2 (ja) 2018-09-12
JP2016530765A (ja) 2016-09-29
CN105612692B (zh) 2018-06-26
EP2995000A1 (en) 2016-03-16
US20160211821A1 (en) 2016-07-21
EP2995000B1 (en) 2017-03-29
ES2627227T3 (es) 2017-07-27
WO2015113602A1 (en) 2015-08-06
US9985597B2 (en) 2018-05-29

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