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Class Information
Number: 381/107
Name: Electrical audio signal processing systems and devices > Including amplitude or volume control > Automatic
Description: Subject matter having means to control the signal level adjusting means automatically as a function of some characteristic of an input signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620410 |
Broadcast station synchronization method and mobile terminal |
Nov. 17, 2009 |
| 7617109 |
Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
Nov. 10, 2009 |
| 7613313 |
System and method for control of audio field based on position of user |
Nov. 3, 2009 |
| 7609840 |
System and method for hierarchical audio conflict control |
Oct. 27, 2009 |
| 7606378 |
Radio distortion processing |
Oct. 20, 2009 |
| 7599475 |
Method and apparatus for generic analytics |
Oct. 6, 2009 |
| 7599503 |
Audio output level setting method and device |
Oct. 6, 2009 |
| 7599504 |
Apparatus and method for adjusting sound volume for televisions and other audio systems |
Oct. 6, 2009 |
| 7596232 |
Apparatus and method for adjusting sound volume for televisions and other audio systems |
Sep. 29, 2009 |
| 7587254 |
Dynamic range control and equalization of digital audio using warped processing |
Sep. 8, 2009 |
| 7583807 |
Set volume control device for on-vehicle audio system |
Sep. 1, 2009 |
| 7567113 |
Method for reducing the number of pins required for an interface to an electronic device and devices using the method |
Jul. 28, 2009 |
| 7567898 |
Regulation of volume of voice in conjunction with background sound |
Jul. 28, 2009 |
| 7558158 |
Electronic apparatus and method for implementing an intelligent wake mode |
Jul. 7, 2009 |
| 7539320 |
Hearing aid with automatic excessive output sound control |
May. 26, 2009 |
| 7532730 |
Audio dynamics processing control system |
May. 12, 2009 |
| 7526348 |
Computer based automatic audio mixer |
Apr. 28, 2009 |
| 7526095 |
Audio volume control for computer systems |
Apr. 28, 2009 |
| 7522065 |
Method and apparatus for proximity sensing in a portable electronic device |
Apr. 21, 2009 |
| 7518056 |
Optimisation of MIDI file reproduction |
Apr. 14, 2009 |
| 7519189 |
Processing of an audio signal for presentation in a high noise environment |
Apr. 14, 2009 |
| 7519442 |
Process for adjusting the sound volume of a digital sound recording |
Apr. 14, 2009 |
| 7502480 |
System and method for implementing a flat audio volume control model |
Mar. 10, 2009 |
| 7496418 |
Audio level information recording/management method and audio output level adjustment method |
Feb. 24, 2009 |
| 7493179 |
Digital audio system and method therefor |
Feb. 17, 2009 |
| 7469208 |
Method and apparatus for automatically normalizing a perceived volume level in a digitally encoded file |
Dec. 23, 2008 |
| 7469051 |
Method and apparatus for maintaining audio level preferences in a communication device |
Dec. 23, 2008 |
| 7466831 |
Audio processing |
Dec. 16, 2008 |
| 7466832 |
Seatback audio controller |
Dec. 16, 2008 |
| 7467020 |
Method for gradually adjusting the volume level of a digital signal within a predefined time using a volume control circuit |
Dec. 16, 2008 |
| 7460919 |
Music contents reproducing apparatus |
Dec. 2, 2008 |
| 7460678 |
Digital audio processor |
Dec. 2, 2008 |
| 7460674 |
Audio effector circuit |
Dec. 2, 2008 |
| 7440577 |
Methods and apparatus for automatic mixing of audio signals |
Oct. 21, 2008 |
| 7433476 |
Automatic gain control |
Oct. 7, 2008 |
| 7430004 |
Volume control linked with zoom control |
Sep. 30, 2008 |
| 7430296 |
Circuit arrangement for reducing the dynamic range of audio signals |
Sep. 30, 2008 |
| 7428310 |
Audio output adjusting device of home theater system and method thereof |
Sep. 23, 2008 |
| 7424120 |
Method and apparatus for volume control |
Sep. 9, 2008 |
| 7418304 |
Apparatus and method for adjusting output level of audio data to be reproduced |
Aug. 26, 2008 |
| 7415119 |
Method for hierarchical audio conflict control |
Aug. 19, 2008 |
| 7409067 |
Method and apparatus for adjusting frequency characteristic of signal |
Aug. 5, 2008 |
| 7406178 |
Efficient digital audio automatic gain control |
Jul. 29, 2008 |
| 7403626 |
Level adjustment apparatus |
Jul. 22, 2008 |
| 7403627 |
Audio downmix apparatus with dynamic-range control and method for the same |
Jul. 22, 2008 |
| 7398207 |
Methods and systems for determining audio loudness levels in programming |
Jul. 8, 2008 |
| 7391871 |
Method and system for PCM audio ramp and decay function |
Jun. 24, 2008 |
| 7391875 |
Peak-limiting mixer for multiple audio tracks |
Jun. 24, 2008 |
| 7391877 |
Spatial processor for enhanced performance in multi-talker speech displays |
Jun. 24, 2008 |
| 7349548 |
Electronic apparatus and control method thereof |
Mar. 25, 2008 |
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