TW200744313A - Automatic gain control device, method, and audio output device therewith - Google Patents
Automatic gain control device, method, and audio output device therewithInfo
- Publication number
- TW200744313A TW200744313A TW095117949A TW95117949A TW200744313A TW 200744313 A TW200744313 A TW 200744313A TW 095117949 A TW095117949 A TW 095117949A TW 95117949 A TW95117949 A TW 95117949A TW 200744313 A TW200744313 A TW 200744313A
- Authority
- TW
- Taiwan
- Prior art keywords
- automatic gain
- gain control
- audio output
- control device
- therewith
- Prior art date
Links
Landscapes
- Control Of Amplification And Gain Control (AREA)
Abstract
This invention provide a automatic gain control equipment. The equipment include a input, a output, a multiport switch, attenuation circuit, Sampling Signal circuit, an A/D converter. The device can control the gain of audio signal automatically so that protect audition of user. This invention also provide a audio signal process device and a earphone which include the said equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW95117949A TWI315938B (en) | 2006-05-19 | 2006-05-19 | Automatic gain control device, method, and audio output device therewith |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW95117949A TWI315938B (en) | 2006-05-19 | 2006-05-19 | Automatic gain control device, method, and audio output device therewith |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200744313A true TW200744313A (en) | 2007-12-01 |
TWI315938B TWI315938B (en) | 2009-10-11 |
Family
ID=45073171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW95117949A TWI315938B (en) | 2006-05-19 | 2006-05-19 | Automatic gain control device, method, and audio output device therewith |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI315938B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI461070B (en) * | 2008-08-29 | 2014-11-11 | Chi Mei Comm Systems Inc | Multi function wireless communication device and an audio adjusting method thereof |
-
2006
- 2006-05-19 TW TW95117949A patent/TWI315938B/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI461070B (en) * | 2008-08-29 | 2014-11-11 | Chi Mei Comm Systems Inc | Multi function wireless communication device and an audio adjusting method thereof |
Also Published As
Publication number | Publication date |
---|---|
TWI315938B (en) | 2009-10-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |