开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育

uBitxV6 transmit audio is thick


 

Hi all,

When I transmit in my uBitx V6, the others have complained that my voice heard thicker than the normal voice. Few also sent me recording and I can confirm that my voice heard thicker. Is this a issue with BFO tuning or something else ? Do i need to re calibrate BFO ?

Regards
Ashok


 

Hello Ashok,

A thicker or deeper voice would be a BFO setting issue.? The best way to set the BFO is to tune to a static-only frequency and use an audio spectrum analyzer to center the noise plateau.? Ashher Farhan has a video on calibrating the V6:


You do not need to do all three steps, only the last step.? Unfortunately, the BFO Tuning aid no longer works.? There are free PC-based programs that can be used:

or


I use the Windows version in the second URL.

You want the plateau centered between 300 and 3000 Hz.

73
Evan
AC9TU


 

Here is the audio spectrum analyzer fixed, it's not digitally signed so you have to accept the risk but it works.


Joel
N6ALT