BR112016001809A2 - compressor digital para a compressão de um sinal de áudio - Google Patents
compressor digital para a compressão de um sinal de áudioInfo
- Publication number
- BR112016001809A2 BR112016001809A2 BR112016001809A BR112016001809A BR112016001809A2 BR 112016001809 A2 BR112016001809 A2 BR 112016001809A2 BR 112016001809 A BR112016001809 A BR 112016001809A BR 112016001809 A BR112016001809 A BR 112016001809A BR 112016001809 A2 BR112016001809 A2 BR 112016001809A2
- Authority
- BR
- Brazil
- Prior art keywords
- compression
- audio signal
- compressing
- parameter
- digital compressor
- Prior art date
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
resumo compressor digital para a compressão de um sinal de áudio a invenção se refere a um compressor digital (100) para a compressão de um sinal de áudio de entrada, compreendendo o compressor digital (100) um controle de ganho de compressão (101) para prover um parâmetro de ganho de compressão, um determinador do parâmetro de compressão (103) para determinar uma relação de compressão a partir do parâmetro de ganho de compressão, sendo o determinador de parâmetro de compressão (103) configurado para aplicar um peso ao parâmetro de ganho de compressão de um fator de ponderação predeterminado para ser obtida a relação de compressão, um gerador de sinal auxiliar (105) para a manipulação do sinal de áudio de entrada em função da relação de compressão para ser obtido um primeiro sinal auxiliar, e uma unidade combinadora (107) para combinar o primeiro sinal auxiliar com o parâmetro de ganho de compressão para ser obtido um segundo sinal auxiliar e para combinar o sinal de áudio de entrada com o segundo sinal auxiliar para ser obtido o sinal de áudio comprimido.
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 (1)
Publication Number | Publication Date |
---|---|
BR112016001809A2 true BR112016001809A2 (pt) | 2017-08-01 |
Family
ID=50030299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112016001809A BR112016001809A2 (pt) | 2014-01-30 | 2014-01-30 | compressor digital para a compressão de um sinal de áudio |
Country Status (10)
Country | Link |
---|---|
US (1) | US9985597B2 (pt) |
EP (1) | EP2995000B1 (pt) |
JP (1) | JP6388457B2 (pt) |
KR (1) | KR101855969B1 (pt) |
CN (1) | CN105612692B (pt) |
BR (1) | BR112016001809A2 (pt) |
ES (1) | ES2627227T3 (pt) |
MX (1) | MX356305B (pt) |
PL (1) | PL2995000T3 (pt) |
WO (1) | WO2015113602A1 (pt) |
Families Citing this family (9)
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 |
EP3928315A4 (en) * | 2019-03-14 | 2022-11-30 | Boomcloud 360, Inc. | SPATIALLY SENSITIVE MULTIBAND COMPRESSION SYSTEM WITH PRIORITY |
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 |
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 |
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 |
KR20240098312A (ko) | 2022-12-21 | 2024-06-28 | 서동민 | 가변 이득 증폭기를 이용한 음량 압축기 |
Family Cites Families (13)
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 |
CN101048935B (zh) * | 2004-10-26 | 2011-03-23 | 杜比实验室特许公司 | 控制音频信号的单位响度或部分单位响度的方法和设备 |
CN103533485A (zh) * | 2006-03-22 | 2014-01-22 | 日本电气株式会社 | 音频电路 |
EP1923994B1 (en) * | 2006-11-17 | 2008-11-19 | AKG Acoustics GmbH | Audio compressor |
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 |
-
2014
- 2014-01-30 BR BR112016001809A patent/BR112016001809A2/pt active Search and Examination
- 2014-01-30 WO PCT/EP2014/051795 patent/WO2015113602A1/en active Application Filing
- 2014-01-30 MX MX2016001168A patent/MX356305B/es active IP Right Grant
- 2014-01-30 PL PL14702018T patent/PL2995000T3/pl unknown
- 2014-01-30 KR KR1020157036811A patent/KR101855969B1/ko active IP Right Grant
- 2014-01-30 ES ES14702018.4T patent/ES2627227T3/es active Active
- 2014-01-30 EP EP14702018.4A patent/EP2995000B1/en active Active
- 2014-01-30 CN CN201480055179.9A patent/CN105612692B/zh active Active
- 2014-01-30 JP JP2016524706A patent/JP6388457B2/ja active Active
-
2016
- 2016-03-28 US US15/082,081 patent/US9985597B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2995000B1 (en) | 2017-03-29 |
KR20160014027A (ko) | 2016-02-05 |
ES2627227T3 (es) | 2017-07-27 |
CN105612692A (zh) | 2016-05-25 |
MX356305B (es) | 2018-05-23 |
MX2016001168A (es) | 2016-04-29 |
JP6388457B2 (ja) | 2018-09-12 |
PL2995000T3 (pl) | 2017-09-29 |
US20160211821A1 (en) | 2016-07-21 |
WO2015113602A1 (en) | 2015-08-06 |
JP2016530765A (ja) | 2016-09-29 |
CN105612692B (zh) | 2018-06-26 |
KR101855969B1 (ko) | 2018-06-25 |
US9985597B2 (en) | 2018-05-29 |
EP2995000A1 (en) | 2016-03-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112016001809A2 (pt) | compressor digital para a compressão de um sinal de áudio | |
CY1119110T1 (el) | Ρυθμιστες ρ2χ7 | |
BR112017018276A2 (pt) | ?composição que compreende peptidase e biotensoativo e seu uso? | |
BR112019002965A2 (pt) | polietileno de peso molecular ultraelevado multi-modal de alto desempenho | |
CA2868986C (en) | Electrical, mechanical, computing, and/or other devices formed of extremely low resistance materials | |
BR112017003218A2 (pt) | aparelho de processamento de sinal para aprimorar um componente de voz dentro de um sinal de áudio multicanal | |
MX2019011496A (es) | Composiciones de niraparib. | |
MX2017000827A (es) | Composiciones de azucar para la formacion de comprimidos por compresion directa. | |
CY1124995T1 (el) | Μεθοδοι για τη μειωση της εκπτωσης στη ζωτικη χωρητικοτητα | |
BR112017021126A2 (pt) | composição de lignina ativada, método para a sua produção e utilização | |
BR112016017584A2 (pt) | Composições de nanotribologia e métodos relacionados incluindo nanofolhas moleculares | |
UY37801A (es) | Comprimidos preparados por compresión | |
MX2019005855A (es) | Formulaciones que se pueden pulverizar. | |
BR112016017010A2 (pt) | Anticorpo monoclonal de fator antitecido | |
BR112014032764A2 (pt) | composição farmacêutica contendo fimasartana e hidroclorotiazida | |
EA201690793A1 (ru) | Способ получения лиофилизированной фармацевтической композиции, содержащей митомицин c | |
GB2550099A (en) | Airway stent | |
BR112018011476A2 (pt) | formulação de vitamina | |
CL2018003587A1 (es) | Composición de cal apagada en polvo altamente porosa. | |
PH12018501183A1 (en) | Method of preparing porcine circovirus type 2 capsid protein and pharmaceutical composition comprising same | |
MX2017000829A (es) | Composiciones de azucares para la formacion de comprimidos mediante compresion directa. | |
CO2022004699A2 (es) | Composición mejorada | |
EA201890955A1 (ru) | Способ получения чайного продукта | |
EA201791202A1 (ru) | Металлокомпозитные панели с заполняющим составом и способ их изготовления | |
EA201992168A1 (ru) | Аналоги деутетрабеназина, их получение и применение |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B11D | Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time |