开云体育

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

Re: Version 0.1 of Sensory Neural High Frequency hearing loss mitigation (RX and TX) software


 

Hi Gordon,?

I may need a bit of help installing this! I think your high-school students would roll their eyes at my incompetence...
Anyway, I believe I may be missing something in the process. Definitely need to learn some basics of using this software! Please comment when you have time, thanks.

Scotty WD4PYT?

On Sat, Mar 16, 2024, 9:22 AM Gordon Gibby KX4Z <docvacuumtubes@...> wrote:
Excellent point, Raj!

Currently you would do the following to activate exactly what you’re asking for:

/basscutfreq 500

That causes an automatic transmitter cut of 20 DB below 500 Hz.?

73,?
Gordon Kx4z?




On Mar 16, 2024, at 09:08, Raj vu2zap <rajendrakumargg@...> wrote:

?

Gordon,

If you can fiddle with TX audio also. No need for graphic equalization but a "DX" button that cuts all audio below 500-600hz to improve readability in pileups and weak signal qso's. No point in wasting power on low frequencies.

Cheers

Raj

On 15/03/2024 7:08 PM, Gordon Gibby KX4Z wrote:
/g/BITX20/wiki/36274

T
his is a primitive but working version of the beginnings of built-in audio equalization in the sBitx.? ?There are $300 add-on hardware devices you can readily purchase to do an even better job -- but because Ashhar wrote such amazing software (I continue to be amazed) and made it publicly available -- we can begin to do the same thing for free right inside the radio.

This version does a very simple equalization, handling receiver audio above a setpoint frequency, allowing reduction of unnecessary transmitter energy in very low frequencies, and allowing limited boost of high frequency transmitted audio.? ? Others I'm sure could make far better software and provide a much easier, graphical, control system.

The current commands could easily be added to the telnet application being used to control much of the radio, developed by another user here.? ? Eventually I'll try to add this to github (when I have the patience and time to learn that system).? ??

As with most of the other modifications I've been slowly developing, this will get published in the North Central Florida ARRL QST monthly newsletter, and eventually get presented at the West Central Florida TECHCON, in 2025.??

Gordon KX4Z

Join [email protected] to automatically receive all group messages.