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Gain

TechBill

TechBill

Administrator
Staff member
Findmall Sponsor
Howdy,

I got question about the gain.

Is it to make the faint deep sound louder? I am deaf but use hearing device, so I would want to set increase the gain to make those deep sound louder correct? With higher gain there shouldn't be any faint signal to miss?

Lastly any con using higher gain other than surface and deep signal may sound the same?


Thank you and Happy New Year!

Bill
 
Sensitivity amplifies all signals (good AND bad, weak and strong) returning to the coil, gain amplifies the volume of the audio response. More info in the manual Bill.
 
I LIKE TO RUN THE VOL. GAIN 20-22 NO HIGHER YOU WANT TO HERE THE LOW TONE SIGNAL ON DEEP TARGETS
YOU CAN DOUBLE CHECK BY DROPPING YOUR SENCE TO SEE IF SIGNAL GOES AWAY TO TELL IF IT IS DEEP
 
TechBill said:
1. Is it to make the faint deep sound louder?
2. I am deaf but use hearing device, so I would want to set increase the gain to make those deep sound louder correct?
3. With higher gain there shouldn't be any faint signal to miss?
4. Lastly any con using higher gain other than surface and deep signal may sound the same?
Bill
Click to expand...

Bill,
1. Short answer: Yes.
2. Probably. (Factory default is 24.)
3. If you set the gain all the way to 30, there won't be any audio difference between the detected weak vs. strong signals (volume wise.)

Some folks like to have at least a little indication of a faint 'deep one'.
I typically run with a gain of 27 to keep falsing to a minimum, and to moderately boost the weak audio signals.
However...with your hearing loss, I suspect full on 30 might be the way to go.

4. Yes, background noise (EMF/RFI) and ground noise will also be boosted to full signal levels...thus causing falsing.
If you start with a gain of 30, and find your assisted listening device giving you too many non-repeatable false signals, try turning gain down to a lower number...maybe 26 through 28.

Also, let us know how this works for you. Others with a similar hearing impairment might benefit from your experience.
:)
HH,
mike
 
What is the hearing device and how does it work?
Would a device that converts the audio to vibrations work for you?
 
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