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AGC – Automatic Gain Control | Adaptive Digital Technologies
https://www.adaptivedigital.com/vqe-suite/agc/#:~:text=Description.%20The%20Automatic%20Gain%20Control%20algorithm%20is%20used,operates%20on%20signals%20within%20a%20specified%20dynamic%20range.
The Automatic Gain Control System
https://courses.ece.cornell.edu/ece5990/ECE5725_Fall2019_Projects/Dec_13_Demo/Auto%20Gain%20Control/dap263_jw2597_Monday/index.html
Introduction. Audio distortion can damage speakers, and its presence, or significance, can often be reduced by decreasing the gain of the system. The automatic gain control system aims to detect distortion at the output of an amplifier, decrease the gain, and then recover the gain to the previous level when the distortion has subsided.
AGC – Automatic Gain Control | Adaptive Digital …
https://www.adaptivedigital.com/vqe-suite/agc/
The Automatic Gain Control algorithm is used to automatically adjust the speech level of an audio signal to a predetermined value. In digital network-based equipment, audio signals come from different locations, each signal having its own nominal level. The AGC algorithm can be used to maintain the speech levels from these various sources at a ...
AUDIO engineering society Automatic Audio Gain …
https://www.aes.org/aeshc/pdf/how.the.aes.began/hathaway_automatic-audio-gain-controls.pdf
Automatic Audio Gain Control systems into our special events beermug and pack transmitter designs. Since then, more or less hand-tailored controls have been employed in a wide variety of applica- tions, including television sound and broadcast transmitters, disc recorders, tape recorders, film recorders, and field ...
Automatic Gain Control Algorithms for Wireless Sensors
https://www.inf.u-szeged.hu/~tothl/pubs/ICCC-CONTI2.pdf
times the gain was decreased by using the formula gain0 = 3 4 gain based on preliminary tests (see Algorithm 1). E. Equal-Stepping Gain Control Algorithm In this algorithm (ES GCA) we adjust the gain in small, equal steps: to increase the gain level we used the formula gain0 = gain+step; and we applied gain0 = gain step to lower it.
Adaptive Gain Control with the Least Mean Squares Algorithm
https://www.allaboutcircuits.com/technical-articles/adaptive-gain-control-with-the-least-mean-squares-algorithm/
This algorithm is derived from an adaptive or automatic gain control algorithm (AGC) used to maintain a certain amplitude at a systems output despite changes in amplitude at the input of the system. For example, in an audio system the AGC might reduce the volume if the signal is getting too large and increase it if the signal is getting too small.
AN-1451LM4935 Automatic Gain Control (AGC) Guide
https://www.ti.com/lit/an/snaa028a/snaa028a.pdf
This bit sets the maximum gain that the AGC can apply to the microphone preamplifier. The maximum gain can be set from 6dB to 36dB in 2dB steps. 3.7 AGC_TIGHT (bit 7(0x09h)) Setting this bit allows the AGC gain algorithm to control the microphone preamplifier gain so that the output signal level closely matches the AGC target level.
Automatic Gain Control (Step Gain Algorithm) | Microchip
https://www.microchip.com/forums/m890060.aspx
Automatic Gain Control (Step Gain Algorithm) I have an ADC I'm using with my PIC, and am trying to come up with some algorithm that can adjust the gain in steps. With a programmable gain, I can only adjust the ADC gain via steps (1x,2x,5x, ...etc). The increase and decrease is handled by the ADC in steps.
Adaptive Gain Control in Digital Signal Processors
https://www.eit.lth.se/fileadmin/eit/courses/etin80/2015/reports/adaptive_gain_control.pdf
Adaptive Gain Control in Digital Signal Processors ... In the code segment above the values from the audio signal are obtained and inserted into a vector. ... // memory cheap recursive power algorithm static float alpha; // alpha value static float y; // inverse log value
comp.dsp | Simple AGC (automatic gain control) algorithm
https://www.dsprelated.com/showthread/comp.dsp/21943-1.php
Your algorithm is about to change gain too often, there should be some highmark and lowmark levels. The problem is to determine is the signal is big or small. > Can't offer much more without more info. FSK 50-450kHz, processing is on fixed point 55xx. I can control VREF level on ADC, depending on the signal.
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