DE3830423A1 - Mobiles geraet mit automatischer lautstaerkeregelung - Google Patents
Mobiles geraet mit automatischer lautstaerkeregelungInfo
- Publication number
- DE3830423A1 DE3830423A1 DE3830423A DE3830423A DE3830423A1 DE 3830423 A1 DE3830423 A1 DE 3830423A1 DE 3830423 A DE3830423 A DE 3830423A DE 3830423 A DE3830423 A DE 3830423A DE 3830423 A1 DE3830423 A1 DE 3830423A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- section
- volume control
- noise
- output 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.)
- Granted
Links
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 1
- 238000001514 detection method Methods 0.000 claims description 63
- 239000003990 capacitor Substances 0.000 claims description 33
- 230000005236 sound signal Effects 0.000 claims description 29
- 230000007423 decrease Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000005856 abnormality Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
Landscapes
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29528887 | 1987-11-25 | ||
| JP29528987A JPH01137809A (ja) | 1987-11-25 | 1987-11-25 | 車載用自動音量調整装置 |
| JP14829588A JPH01231410A (ja) | 1987-11-25 | 1988-06-17 | 車載用自動音量調整装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3830423A1 true DE3830423A1 (de) | 1989-06-08 |
| DE3830423C2 DE3830423C2 (forum.php) | 1991-11-14 |
Family
ID=27319532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3830423A Granted DE3830423A1 (de) | 1987-11-25 | 1988-09-07 | Mobiles geraet mit automatischer lautstaerkeregelung |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4864246A (forum.php) |
| DE (1) | DE3830423A1 (forum.php) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615337A1 (de) * | 1993-03-10 | 1994-09-14 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Lautsprechereinstellung |
| EP0623995A1 (de) * | 1993-05-03 | 1994-11-09 | Blaupunkt-Werke GmbH | Anordnung zur geräuschabhängigen Regelung der Lautstärke eines Autoradios |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3837538C2 (de) * | 1988-02-03 | 1996-10-17 | Pioneer Electronic Corp | Lautstärkesteuerschaltung mit Frequenzgangkompensation für ein Audiowiedergabegerät eines Kraftfahrzeugs |
| US5014351A (en) * | 1989-06-05 | 1991-05-07 | Motorola, Inc. | Method and apparatus for reducing alternator noise |
| US5081707A (en) * | 1989-08-08 | 1992-01-14 | Motorola, Inc. | Knowledge based radio |
| JP3193032B2 (ja) * | 1989-12-05 | 2001-07-30 | パイオニア株式会社 | 車載用自動音量調整装置 |
| JP2569868Y2 (ja) * | 1990-10-05 | 1998-04-28 | アルパイン 株式会社 | 車載用音響機器 |
| JPH05301542A (ja) * | 1992-04-28 | 1993-11-16 | Pioneer Electron Corp | 車載用体感音響装置 |
| FR2696060A1 (fr) * | 1992-09-22 | 1994-03-25 | Carpentier Claude | Procédé et dispositif de commande automatique du gain d'un amplificateur d'un système électroacoustique, notamment pour véhicule automobile. |
| US5796847A (en) * | 1994-09-06 | 1998-08-18 | Matsushita Electric Industrial Co. Ltd. | Sound reproduction apparatus |
| US6088461A (en) * | 1997-09-26 | 2000-07-11 | Crystal Semiconductor Corporation | Dynamic volume control system |
| JP3893730B2 (ja) * | 1998-04-15 | 2007-03-14 | 松下電器産業株式会社 | 音響再生装置 |
| DE10018666A1 (de) | 2000-04-14 | 2001-10-18 | Harman Audio Electronic Sys | Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals |
| US20040125962A1 (en) * | 2000-04-14 | 2004-07-01 | Markus Christoph | Method and apparatus for dynamic sound optimization |
| US7606378B2 (en) | 2001-04-11 | 2009-10-20 | Chrysler Group Llc | Radio distortion processing |
| DE10208096A1 (de) * | 2001-08-27 | 2003-04-10 | Siemens Ag | Mobiles Kommunikationsendgerät |
| KR20030030451A (ko) * | 2001-10-11 | 2003-04-18 | 현대자동차주식회사 | 위상 조절 회로가 구비된 오디오 |
| US7606376B2 (en) * | 2003-11-07 | 2009-10-20 | Harman International Industries, Incorporated | Automotive audio controller with vibration sensor |
| DE602004004242T2 (de) * | 2004-03-19 | 2008-06-05 | Harman Becker Automotive Systems Gmbh | System und Verfahren zur Verbesserung eines Audiosignals |
| EP1833163B1 (en) * | 2004-07-20 | 2019-12-18 | Harman Becker Automotive Systems GmbH | Audio enhancement system and method |
| US7715574B2 (en) * | 2004-08-04 | 2010-05-11 | James E. Aikins | Audio apparatus for vessel |
| JP2006140582A (ja) * | 2004-11-10 | 2006-06-01 | Matsushita Electric Ind Co Ltd | 送信信号生成装置 |
| US20060153405A1 (en) * | 2005-01-13 | 2006-07-13 | Myers Bruce A | Audio automatic volume control |
| US8170221B2 (en) * | 2005-03-21 | 2012-05-01 | Harman Becker Automotive Systems Gmbh | Audio enhancement system and method |
| DE602005015426D1 (de) | 2005-05-04 | 2009-08-27 | Harman Becker Automotive Sys | System und Verfahren zur Intensivierung von Audiosignalen |
| TWI286910B (en) * | 2005-09-12 | 2007-09-11 | Giga Byte Tech Co Ltd | Apparatus for automatically adjusting amplitude of audio signal based on background |
| US7908134B1 (en) | 2006-07-26 | 2011-03-15 | Starmark, Inc. | Automatic volume control to compensate for speech interference noise |
| US7760893B1 (en) | 2006-07-26 | 2010-07-20 | Starmark, Inc. | Automatic volume control to compensate for speech interference noise |
| US20080140235A1 (en) * | 2006-12-07 | 2008-06-12 | Mclean James G | Equalization application based on autonomous environment sensing |
| US8977974B2 (en) | 2008-12-08 | 2015-03-10 | Apple Inc. | Ambient noise based augmentation of media playback |
| FR3020711B1 (fr) * | 2014-05-02 | 2016-05-13 | 3Db | Methode de compression et compresseur de dynamique audio |
| CN105142067B (zh) | 2014-05-26 | 2020-01-07 | 杜比实验室特许公司 | 音频信号响度控制 |
| US10670417B2 (en) | 2015-05-13 | 2020-06-02 | Telenav, Inc. | Navigation system with output control mechanism and method of operation thereof |
| KR20170114800A (ko) * | 2016-04-06 | 2017-10-16 | 삼성전자주식회사 | 전자 장치에서 신호 품질 향상 방법 및 장치 |
| US10103699B2 (en) * | 2016-09-30 | 2018-10-16 | Lenovo (Singapore) Pte. Ltd. | Automatically adjusting a volume of a speaker of a device based on an amplitude of voice input to the device |
| US10965265B2 (en) * | 2017-05-04 | 2021-03-30 | Harman International Industries, Incorporated | Method and device for adjusting audio signal, and audio system |
| US10872593B2 (en) * | 2017-06-13 | 2020-12-22 | Crestron Electronics, Inc. | Ambient noise sense auto-correction audio system |
| US10481857B2 (en) | 2017-10-31 | 2019-11-19 | Club Car, Llc | Dynamic acoustic control and vehicle auditory optimization |
| CN115683296B (zh) * | 2022-12-30 | 2023-04-18 | 广东泓胜科技股份有限公司 | 道路称重传感器数据的动态阈值处理方法及相关设备 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2435956A1 (de) * | 1974-07-26 | 1976-02-05 | Nippold | Verfahren zur regelung der lautstaerke einer elektroakustischen anlage |
| DE2522381A1 (de) * | 1975-05-21 | 1976-12-02 | Battelle Institut E V | Verfahren und schaltungsanordnung zur anpassung der autoradiolautstaerke an die umgebungsgeraeusche |
| DE2934593A1 (de) * | 1978-08-26 | 1980-02-28 | Viva Co | Automatischer lautstaerkenregler |
| CH616033A5 (forum.php) * | 1977-01-27 | 1980-02-29 | Peter Boettcher | |
| DE2928816A1 (de) * | 1979-07-17 | 1981-01-29 | Peter Boettcher | Schaltungsanordnung zur anpassung der lautstaerke eines autoempfaengers in abhaengigkeit vom fahrgeraeusch |
| EP0026929A1 (fr) * | 1979-10-03 | 1981-04-15 | Claude Carpentier | Dispositif permettant l'ajustement automatique du niveau des sources sonores utiles dans les milieux à bruyance variable |
| DE2942331A1 (de) * | 1979-10-19 | 1981-05-07 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zum selbsttaetigen einstellen der lautstaerke eines lautsprechers in abhaengigkeit gon einem am lautspreherort herrschenden stoergeraeuschpegel |
| FR2529727A1 (fr) * | 1982-06-30 | 1984-01-06 | Radiotechnique | Dispositif de reglage automatique du niveau sonore d'une source de sons utiles en fonction du bruit ambiant |
| FR2579842A1 (fr) * | 1985-03-27 | 1986-10-03 | Carpentier Claude | Dispositif de compensation du bruit ambiant dans un amplificateur audio |
| GB2179807A (en) * | 1985-07-16 | 1987-03-11 | Pioneer Electronic Corp | Automatic volume control |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH642187A5 (en) * | 1978-07-18 | 1984-03-30 | Adolf Lehmann | Signalling device for changing information and use of said device |
| US4644292A (en) * | 1984-05-31 | 1987-02-17 | Pioneer Electronic Corporation | Automatic gain and frequency characteristic control unit in audio device |
| EP0269291B1 (en) * | 1986-11-06 | 1992-08-26 | Konica Corporation | Heat-developable color photographic material and image-forming process |
-
1988
- 1988-09-07 DE DE3830423A patent/DE3830423A1/de active Granted
- 1988-09-09 US US07/242,256 patent/US4864246A/en not_active Expired - Lifetime
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2435956A1 (de) * | 1974-07-26 | 1976-02-05 | Nippold | Verfahren zur regelung der lautstaerke einer elektroakustischen anlage |
| DE2522381A1 (de) * | 1975-05-21 | 1976-12-02 | Battelle Institut E V | Verfahren und schaltungsanordnung zur anpassung der autoradiolautstaerke an die umgebungsgeraeusche |
| CH616033A5 (forum.php) * | 1977-01-27 | 1980-02-29 | Peter Boettcher | |
| DE2934593A1 (de) * | 1978-08-26 | 1980-02-28 | Viva Co | Automatischer lautstaerkenregler |
| DE2928816A1 (de) * | 1979-07-17 | 1981-01-29 | Peter Boettcher | Schaltungsanordnung zur anpassung der lautstaerke eines autoempfaengers in abhaengigkeit vom fahrgeraeusch |
| EP0026929A1 (fr) * | 1979-10-03 | 1981-04-15 | Claude Carpentier | Dispositif permettant l'ajustement automatique du niveau des sources sonores utiles dans les milieux à bruyance variable |
| DE2942331A1 (de) * | 1979-10-19 | 1981-05-07 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zum selbsttaetigen einstellen der lautstaerke eines lautsprechers in abhaengigkeit gon einem am lautspreherort herrschenden stoergeraeuschpegel |
| FR2529727A1 (fr) * | 1982-06-30 | 1984-01-06 | Radiotechnique | Dispositif de reglage automatique du niveau sonore d'une source de sons utiles en fonction du bruit ambiant |
| FR2579842A1 (fr) * | 1985-03-27 | 1986-10-03 | Carpentier Claude | Dispositif de compensation du bruit ambiant dans un amplificateur audio |
| GB2179807A (en) * | 1985-07-16 | 1987-03-11 | Pioneer Electronic Corp | Automatic volume control |
Non-Patent Citations (1)
| Title |
|---|
| JP 58 225713 A. In: Patents Abstracts of Japan, E-237,April 10, 1984, Vol. 8, Nr. 78 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615337A1 (de) * | 1993-03-10 | 1994-09-14 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Lautsprechereinstellung |
| EP0623995A1 (de) * | 1993-05-03 | 1994-11-09 | Blaupunkt-Werke GmbH | Anordnung zur geräuschabhängigen Regelung der Lautstärke eines Autoradios |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3830423C2 (forum.php) | 1991-11-14 |
| US4864246A (en) | 1989-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8120 | Willingness to grant licences paragraph 23 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |