Is it possible to manually set the microphone volume in Dragon NaturallySpeaking?

The Dragon NaturallySpeaking Audio Setup Wizard automatically determines the supposedly best microphone volume (some integer between 1 and 100), and whenever one turns on the microphone, Dragon NaturallySpeaking resets the volume of the sound card to match the settings computed by the Audio Setup Wizard. I would like to change it manually (i.e. deciding the value myself).

I use Dragon NaturallySpeaking 12.5 Professional with Windows 7 SP1 x64 Ultimate.

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I have version 13.5 but I bet this is the same in yours.

There are two ways to do this.

First way

Reset audio calibration data. I think this resets EVERYTHING - so if you've done additional training, it removes it.

Then, open up the recording levels dialog for the system. There are several ways to get there - Control Panel -> Sound -> Recording Tab -> Select Device -> Properties -> Levels. While this is open do Dragon's Audio Calibration. When you get the Success! notification, before you click 'next' (like in your picture above), change the recording level to whatever value you want, and then click 'next'.
This should save your custom setting.

Second way

Calculate the audio value you want on a scale of 1 to 65535.
Let's say I want 25% - .25 x 65535 = 16383
Convert this number to hexadecimal. You can do this in windows calculator.
Open Calculator -> view -> programmer in the options on the left, select Dec and DWORD.
Put in the number 16383. Then select Hex on the left and you get 3FFF.
Now, reverse the byte order to FF3F (1234 -> 3412)
Now, edit the following file:


(Yours might be a little different.)
Find the profile for the audio device you're using (note the friendly "DeviceName" - this will match the Audio source name from Dragon):

[LAPTOP20|2 2]
DictationSource=USB Microphone
DeviceName=Microphone (Logitech Wireless Headset)
DeviceType=Bluetooth Microphone

Now change Inputs using the Hex value you found above, repeating it and padding with zeroes.


Save and you're done. There's also a registry key that stores the last audio calibration result, but I don't think that affects it here. FYI, on my system, that key is here:

HKEY_CURRENT_USER\Software\Dragon Systems\Audio Setup Wizard\Version 1.1

  • This helped me so much today. Thank you!!! – Hawkeye Parker May 27 '19 at 21:45

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