CN101918942A - 频率卷绕的音频均衡器 - Google Patents
频率卷绕的音频均衡器 Download PDFInfo
- Publication number
- CN101918942A CN101918942A CN2008800075320A CN200880007532A CN101918942A CN 101918942 A CN101918942 A CN 101918942A CN 2008800075320 A CN2008800075320 A CN 2008800075320A CN 200880007532 A CN200880007532 A CN 200880007532A CN 101918942 A CN101918942 A CN 101918942A
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- CN
- China
- Prior art keywords
- filter
- frequency
- warped
- wave
- filters
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/005—Tone control or bandwidth control in amplifiers of digital signals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/04—Recursive filters
Abstract
Description
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89407607P | 2007-03-09 | 2007-03-09 | |
US60/894,076 | 2007-03-09 | ||
PCT/US2008/056280 WO2008112571A1 (en) | 2007-03-09 | 2008-03-07 | Frequency-warped audio equalizer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101918942A true CN101918942A (zh) | 2010-12-15 |
CN101918942B CN101918942B (zh) | 2013-09-11 |
Family
ID=39759939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008800075320A Active CN101918942B (zh) | 2007-03-09 | 2008-03-07 | 频率卷绕的音频均衡器 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7764802B2 (zh) |
EP (1) | EP2122489B1 (zh) |
JP (1) | JP5399271B2 (zh) |
KR (1) | KR101460824B1 (zh) |
CN (1) | CN101918942B (zh) |
HK (1) | HK1151110A1 (zh) |
WO (1) | WO2008112571A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101930736B (zh) * | 2009-06-24 | 2012-04-11 | 展讯通信(上海)有限公司 | 基于子带滤波框架的解码器的音频均衡方法 |
CN106549652A (zh) * | 2015-09-18 | 2017-03-29 | 杜比实验室特许公司 | 时域滤波中的滤波器系数更新 |
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US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10158337B2 (en) | 2004-08-10 | 2018-12-18 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US8284955B2 (en) | 2006-02-07 | 2012-10-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10701505B2 (en) | 2006-02-07 | 2020-06-30 | Bongiovi Acoustics Llc. | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US20090252346A1 (en) * | 2008-04-03 | 2009-10-08 | Hsin-Yuan Kuo | Method of processing audio files |
US20090281803A1 (en) * | 2008-05-12 | 2009-11-12 | Broadcom Corporation | Dispersion filtering for speech intelligibility enhancement |
US9197181B2 (en) * | 2008-05-12 | 2015-11-24 | Broadcom Corporation | Loudness enhancement system and method |
WO2010094339A1 (en) * | 2009-02-20 | 2010-08-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Equaliser for an optical transmission system |
US8660271B2 (en) | 2010-10-20 | 2014-02-25 | Dts Llc | Stereo image widening system |
WO2012088336A2 (en) * | 2010-12-22 | 2012-06-28 | Genaudio, Inc. | Audio spatialization and environment simulation |
US9164724B2 (en) | 2011-08-26 | 2015-10-20 | Dts Llc | Audio adjustment system |
WO2013180945A2 (en) | 2012-05-31 | 2013-12-05 | Dolby Laboratories Licensing Corporation | Low latency and low complexity phase shift network |
US9467111B2 (en) * | 2012-06-29 | 2016-10-11 | Audyssey Laboratories | Operator adjustable full-bandwidth audio spectral shifting control with a simple listener interface |
US9264838B2 (en) | 2012-12-27 | 2016-02-16 | Dts, Inc. | System and method for variable decorrelation of audio signals |
US20140376726A1 (en) * | 2013-02-20 | 2014-12-25 | Max Sound Corporation | Stereo headphone audio process |
US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
US9264004B2 (en) * | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US9729984B2 (en) * | 2014-01-18 | 2017-08-08 | Microsoft Technology Licensing, Llc | Dynamic calibration of an audio system |
IN2014MU00290A (zh) * | 2014-01-27 | 2015-09-11 | Indian Inst Technology Bombay | |
DE202014101373U1 (de) * | 2014-03-25 | 2015-06-29 | Bernhard Schwede | Entzerrer zur Entzerrung eines Tongemischs und Audioanlage mit einem solchen Entzerrer |
US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
US9438195B2 (en) * | 2014-05-23 | 2016-09-06 | Apple Inc. | Variable equalization |
JP6558629B2 (ja) * | 2015-03-15 | 2019-08-14 | 有限会社シー・アンド・エス国際研究所 | デジタルバンドパスフィルタ |
US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
JP2018537910A (ja) | 2015-11-16 | 2018-12-20 | ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー | 表面音響変換器 |
CN105487780B (zh) * | 2016-01-15 | 2021-03-19 | 腾讯科技(深圳)有限公司 | 控件显示方法及装置 |
IT201800003311A1 (it) * | 2018-03-06 | 2019-09-06 | Outline S R L | Metodo e dispositivo di regolazione della risposta in frequenza di un filtro digitale |
KR20200143707A (ko) | 2018-04-11 | 2020-12-24 | 본지오비 어커스틱스 엘엘씨 | 오디오 향상 청력 보호 시스템 |
US10959035B2 (en) | 2018-08-02 | 2021-03-23 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US10394521B1 (en) * | 2018-12-06 | 2019-08-27 | Peag, LLC | Speaker device with equalization tool |
US10848131B1 (en) * | 2019-05-29 | 2020-11-24 | Synaptics Incorporated | Low power lattice wave filter systems and methods |
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US5333201A (en) * | 1992-11-12 | 1994-07-26 | Rocktron Corporation | Multi dimensional sound circuit |
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US5491685A (en) * | 1994-05-19 | 1996-02-13 | Digital Pictures, Inc. | System and method of digital compression and decompression using scaled quantization of variable-sized packets |
US5638452A (en) * | 1995-04-21 | 1997-06-10 | Rocktron Corporation | Expandable multi-dimensional sound circuit |
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US5727074A (en) * | 1996-03-25 | 1998-03-10 | Harold A. Hildebrand | Method and apparatus for digital filtering of audio signals |
US5970152A (en) * | 1996-04-30 | 1999-10-19 | Srs Labs, Inc. | Audio enhancement system for use in a surround sound environment |
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JPH10256857A (ja) * | 1997-03-11 | 1998-09-25 | Toshiba Corp | 音質補正装置 |
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US7587254B2 (en) * | 2004-04-23 | 2009-09-08 | Nokia Corporation | Dynamic range control and equalization of digital audio using warped processing |
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-
2008
- 2008-03-07 EP EP08731724A patent/EP2122489B1/en active Active
- 2008-03-07 WO PCT/US2008/056280 patent/WO2008112571A1/en active Search and Examination
- 2008-03-07 CN CN2008800075320A patent/CN101918942B/zh active Active
- 2008-03-07 US US12/044,826 patent/US7764802B2/en active Active
- 2008-03-07 JP JP2009552916A patent/JP5399271B2/ja active Active
- 2008-03-07 KR KR1020097020141A patent/KR101460824B1/ko active IP Right Grant
-
2010
- 2010-06-29 US US12/826,340 patent/US8428276B2/en active Active
-
2011
- 2011-05-19 HK HK11104965.0A patent/HK1151110A1/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101930736B (zh) * | 2009-06-24 | 2012-04-11 | 展讯通信(上海)有限公司 | 基于子带滤波框架的解码器的音频均衡方法 |
CN106549652A (zh) * | 2015-09-18 | 2017-03-29 | 杜比实验室特许公司 | 时域滤波中的滤波器系数更新 |
CN106549652B (zh) * | 2015-09-18 | 2022-01-11 | 杜比实验室特许公司 | 时域滤波中的滤波器系数更新 |
Also Published As
Publication number | Publication date |
---|---|
EP2122489A1 (en) | 2009-11-25 |
EP2122489B1 (en) | 2012-06-06 |
JP2010521107A (ja) | 2010-06-17 |
US20080240467A1 (en) | 2008-10-02 |
WO2008112571A1 (en) | 2008-09-18 |
HK1151110A1 (en) | 2012-01-20 |
KR101460824B1 (ko) | 2014-11-11 |
CN101918942B (zh) | 2013-09-11 |
US20100266143A1 (en) | 2010-10-21 |
US8428276B2 (en) | 2013-04-23 |
US7764802B2 (en) | 2010-07-27 |
KR20090122363A (ko) | 2009-11-27 |
JP5399271B2 (ja) | 2014-01-29 |
EP2122489A4 (en) | 2011-01-05 |
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