| Digest Nr | Subject and Author |
 |
| 2008.12.01.02 |
Audio Recording and Automatic Gain Control, from Sam Harris |
| 2008.11.29.01 |
Video Cameras and Automatic Gain Control, from Randolph Herr |
| 2008.11.27.04 |
Audio Recording and Automatic Gain Control, from Alan Turner |
| 2008.11.26.03 |
Audio Recording & Automatic Gain Control, from Matthew Caulfield |
| 1999.03.22.02 |
More Microphone Gain for Sound Card, from Pete Woodworth |
| 1999.03.19.09 |
More Microphone Gain for Sound Card, from Don Elbers |
 |