CN1274184C - 在电声变换器中控制音频信号的低音放音的方法和装置 - Google Patents
在电声变换器中控制音频信号的低音放音的方法和装置 Download PDFInfo
- Publication number
- CN1274184C CN1274184C CN01823654.5A CN01823654A CN1274184C CN 1274184 C CN1274184 C CN 1274184C CN 01823654 A CN01823654 A CN 01823654A CN 1274184 C CN1274184 C CN 1274184C
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- CN
- China
- Prior art keywords
- audio signal
- frequency
- pass filter
- amplification coefficient
- signal
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 29
- 230000005236 sound signal Effects 0.000 claims abstract description 184
- 238000001914 filtration Methods 0.000 claims description 58
- 230000003321 amplification Effects 0.000 claims description 55
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 55
- 239000000203 mixture Substances 0.000 claims description 34
- 230000002463 transducing effect Effects 0.000 claims description 29
- 230000004044 response Effects 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 101100370119 Treponema pallidum (strain Nichols) tpf1 gene Proteins 0.000 claims description 5
- 101000987581 Homo sapiens Perforin-1 Proteins 0.000 claims description 4
- 102100028467 Perforin-1 Human genes 0.000 claims description 4
- 230000035807 sensation Effects 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 description 3
- 238000012432 intermediate storage Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005039 memory span Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2001/003653 WO2003028405A1 (de) | 2001-09-21 | 2001-09-21 | Verfahren und vorrichtung zur steuerung der basswiedergabe von audiosignalen in elektroakustischen wandlern |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1550121A CN1550121A (zh) | 2004-11-24 |
CN1274184C true CN1274184C (zh) | 2006-09-06 |
Family
ID=5648291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN01823654.5A Expired - Fee Related CN1274184C (zh) | 2001-09-21 | 2001-09-21 | 在电声变换器中控制音频信号的低音放音的方法和装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7574009B2 (zh) |
EP (1) | EP1428411B2 (zh) |
CN (1) | CN1274184C (zh) |
DE (1) | DE50112650D1 (zh) |
HK (1) | HK1069705A1 (zh) |
WO (1) | WO2003028405A1 (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005027569A1 (en) * | 2003-09-16 | 2005-03-24 | Koninklijke Philips Electronics N.V. | High efficiency audio reproduction |
EP1665878A1 (en) * | 2003-09-16 | 2006-06-07 | Koninklijke Philips Electronics N.V. | High efficiency audio transducer |
US7474752B2 (en) * | 2003-09-16 | 2009-01-06 | Koninklijke Philips Electronics N.V. | Audio frequency range adaptation |
DE60334796D1 (de) * | 2003-09-25 | 2010-12-16 | Sony Ericsson Mobile Comm Ab | Lautsprecherempfindliches Tonwiedergabesystem |
US7720237B2 (en) * | 2004-09-07 | 2010-05-18 | Audyssey Laboratories, Inc. | Phase equalization for multi-channel loudspeaker-room responses |
US7826626B2 (en) * | 2004-09-07 | 2010-11-02 | Audyssey Laboratories, Inc. | Cross-over frequency selection and optimization of response around cross-over |
US20100226508A1 (en) * | 2006-01-27 | 2010-09-09 | Koninklijke Philips Electronics N.V. | Device and method for adapting an audio signal to a transducer unit |
JP2008263583A (ja) * | 2007-03-16 | 2008-10-30 | Sony Corp | 低域増強方法、低域増強回路および音響再生システム |
US7991171B1 (en) * | 2007-04-13 | 2011-08-02 | Wheatstone Corporation | Method and apparatus for processing an audio signal in multiple frequency bands |
CN101262662B (zh) * | 2007-06-29 | 2011-02-09 | 浙江华立通信集团有限公司 | 用于3g和4g终端的音调生成方法及装置 |
JPWO2009004718A1 (ja) * | 2007-07-03 | 2010-08-26 | パイオニア株式会社 | 楽音強調装置、楽音強調方法、楽音強調プログラムおよび記録媒体 |
US20090216352A1 (en) * | 2008-02-22 | 2009-08-27 | Sony Ericsson Mobile Communications Ab | Method for providing an improved music experience |
CN101505443B (zh) * | 2009-03-13 | 2013-12-11 | 无锡中星微电子有限公司 | 一种虚拟重低音增强方法及系统 |
WO2011082404A1 (en) * | 2010-01-04 | 2011-07-07 | Monster Cable Products, Inc. | Audio coupling system |
US8705764B2 (en) | 2010-10-28 | 2014-04-22 | Audyssey Laboratories, Inc. | Audio content enhancement using bandwidth extension techniques |
US9635451B2 (en) | 2011-11-10 | 2017-04-25 | Zound Industries International Ab | Audio accessory including a headphone with separate sockets |
US9379777B2 (en) * | 2012-05-07 | 2016-06-28 | Nokia Technologies Oy | Near field communication circuitry used for hearing aid compatibility |
US20140372110A1 (en) * | 2013-02-15 | 2014-12-18 | Max Sound Corporation | Voic call enhancement |
US20150006180A1 (en) * | 2013-02-21 | 2015-01-01 | Max Sound Corporation | Sound enhancement for movie theaters |
US9247342B2 (en) | 2013-05-14 | 2016-01-26 | James J. Croft, III | Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output |
US10405094B2 (en) | 2015-10-30 | 2019-09-03 | Guoguang Electric Company Limited | Addition of virtual bass |
US10893362B2 (en) | 2015-10-30 | 2021-01-12 | Guoguang Electric Company Limited | Addition of virtual bass |
US9794689B2 (en) * | 2015-10-30 | 2017-10-17 | Guoguang Electric Company Limited | Addition of virtual bass in the time domain |
US9794688B2 (en) | 2015-10-30 | 2017-10-17 | Guoguang Electric Company Limited | Addition of virtual bass in the frequency domain |
GB2555842A (en) | 2016-11-11 | 2018-05-16 | Eartex Ltd | Auditory device assembly |
DE102017212431A1 (de) * | 2017-07-20 | 2019-01-24 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Verarbeitung eines Signals |
CN109996151A (zh) * | 2019-04-10 | 2019-07-09 | 上海大学 | 一种基于瞬稳态信号分离混合虚拟低音增强处理方法 |
CN110536216B (zh) * | 2019-09-05 | 2021-04-06 | 长沙市回音科技有限公司 | 一种基于插值处理的均衡参数匹配方法、装置、终端设备及存储介质 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2403684A1 (fr) | 1977-09-01 | 1979-04-13 | Serac Sa | Separateur amplificateur de registre grave pour systemes audio |
US4182930A (en) † | 1978-03-10 | 1980-01-08 | Dbx Inc. | Detection and monitoring device |
US4454609A (en) * | 1981-10-05 | 1984-06-12 | Signatron, Inc. | Speech intelligibility enhancement |
DE69227091T2 (de) * | 1991-12-09 | 1999-05-20 | Koninkl Philips Electronics Nv | Schaltung zur Mischung und Verdoppelung von niedrigen Tonfrequenzen |
US6072885A (en) * | 1994-07-08 | 2000-06-06 | Sonic Innovations, Inc. | Hearing aid device incorporating signal processing techniques |
US6885752B1 (en) * | 1994-07-08 | 2005-04-26 | Brigham Young University | Hearing aid device incorporating signal processing techniques |
US5661808A (en) * | 1995-04-27 | 1997-08-26 | Srs Labs, Inc. | Stereo enhancement system |
TW343417B (en) * | 1996-05-08 | 1998-10-21 | Philips Eloctronics N V | Circuit, audio system and method for processing signals, and a harmonics generator |
US5930373A (en) * | 1997-04-04 | 1999-07-27 | K.S. Waves Ltd. | Method and system for enhancing quality of sound signal |
US6285767B1 (en) | 1998-09-04 | 2001-09-04 | Srs Labs, Inc. | Low-frequency audio enhancement system |
CN1158898C (zh) † | 1998-09-08 | 2004-07-21 | 皇家菲利浦电子有限公司 | 音频系统低音增强装置 |
DE19928420A1 (de) † | 1999-06-23 | 2000-12-28 | Micronas Gmbh | Verfahren zur Verarbeitung eines Audiosignals |
IT1313298B1 (it) | 1999-09-28 | 2002-07-17 | Italtel Spa | Metodo di calcolo dei coefficienti di un filtro fir che integra lefunzioni di interpolazione, di passa banda, e di equalizzazione della |
EP1250759A4 (en) | 2000-01-26 | 2004-12-15 | Acoustic Tech Inc | BAND PASS FILTER MADE FROM TWO FILTERS |
-
2001
- 2001-09-21 CN CN01823654.5A patent/CN1274184C/zh not_active Expired - Fee Related
- 2001-09-21 WO PCT/DE2001/003653 patent/WO2003028405A1/de active IP Right Grant
- 2001-09-21 DE DE50112650T patent/DE50112650D1/de not_active Expired - Lifetime
- 2001-09-21 US US10/490,259 patent/US7574009B2/en not_active Expired - Fee Related
- 2001-09-21 EP EP01980187A patent/EP1428411B2/de not_active Expired - Lifetime
-
2005
- 2005-03-09 HK HK05102061A patent/HK1069705A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE50112650D1 (de) | 2007-08-02 |
US7574009B2 (en) | 2009-08-11 |
EP1428411A1 (de) | 2004-06-16 |
EP1428411B2 (de) | 2011-11-30 |
HK1069705A1 (en) | 2005-05-27 |
US20050002534A1 (en) | 2005-01-06 |
EP1428411B1 (de) | 2007-06-20 |
CN1550121A (zh) | 2004-11-24 |
WO2003028405A1 (de) | 2003-04-03 |
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