Using Noise Suppression AI on Ham Radio to Remove Static (Setup and Demonstration)
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- Опубліковано 23 лип 2024
- Links to the software
APO:
sourceforge.net/projects/equa...
Real-time Noise Suppression Plugin:
github.com/werman/noise-suppr...
Krisp:
krisp.ai/
Nvidia Broadcast:
www.nvidia.com/en-us/geforce/...
In today's video we take our audio output form the ft-891 amateur radio and pipe it into the computer to do some noise suppression and digital noise reduction.
Although most radios ship with some type of digital noise reduction, I wanted to put some of the artificial intelligence based ones to the test.
We try an open source version, krisp, and NVIDIA "RTX Voice".
The results were about what I expected, and they did make the listening experience a little more pleasant after filtering out the static and it has improved overall audio quality.
00:00 Intro
03:30 Setup Computer
07:30 Open Source Noise Reduction Setup
12:10 Open Source Noise Reduction Example
12:40 Krisp Setup
15:40 Krisp Example
16:20 NVIDIA Setup
18:10 NVIDIA Example
19:00 Outro
See a write-up here:
themodernham.com/noise-suppre...
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Nice to see you back brother
Glad to be back!
Thank you for taking the time to post this video. I’m definitely going to try this. I would like to try piping the output to a voice-to-text program.
TBH, I tried them all and this gave me another reason to develop a better non AI noise suppression in SDR#.
Wow, you have a lot of videos on this subject. I'll have to check them out. Good work! I'd love to do this and transmit as well. I have the HackRF, but would need some type of pan-adapter mod for the FT-891 to be able to view it in SDR# I believe.
Very very intersting. TNX for this video and happy new year !!!
Let me know if you all have tried something similar with success, or have any other recommendations for this project that would have made it better!
This is VERY helpful. Great info! Thanks.
Thank you! It just so happened I had the right graphics card for this to work.
Awesome. It was fun to play around with.
Great video. Sincere thanks.
Very cool!
Excellent experiment, sounds great 👍👍.
I think I heard some Maritime net in there.
Sure was. It was a good way to get a stable test.
I like the idea of this and if your setup allows for it, this would probably work really well. Unfortunately for me, my desktop computer just pukes out interference, so basically nothing gets through to my transceiver when it's on
I couldn’t get it to work :’( it says “ the library is not readable by the audio service. Change the file permissions or copy the file to the VSTPlugins directory.
I keep getting "Library does not contain needed functions" when attempting to install the rmnoise_mono.dll vst plug-in... any suggestions?
Will this work on cw as well? What about digital modes?
i tried it, for me it cut to much i only tried the opensource one.
Being a Ham I am surprised you don't know the difference between line in and mic in.
Mic in is for non-amplified signal.
Line in is for amplified.
Ergo, you should be using Line in when hooking up a speaker level signal.
Additionally, most radios today have a AF (adjustable) line level output that would be better suited. Using the Mic input with speaker levels is not the right way to go. I feed my line level AF out to an audio mixer where I boost the mid-range voice audio. I'm thinking to feed that line level audio out of the mixer to the Nvidia card input via the LINE input on the PC. Can anyone tell me which version of the Nvidia RTX card would be suitable for this application? These cards are not cheap so I would not want to buy more than is required for this application.
Thanks in advance for the card info. 73 de VE7CY