clean up the audio output of your Morse Code Practice Oscillator with this DIY audio BandPass Filter

[Chuck Vaughn]

https://youtu.be/Q8n33uQJqiI

Near Zero Latency passthrough... using this Gstreamer Script to create a custom CW AUDIO bandpass filter: (CW PITCH of CPO = @700 hertz) gst-launch-1.0 -v jackaudiosrc ! audiowsincband mode=band-pass lower-frequency=580 upper-frequency=820 length=384 window=3 low-latency=true ! jackaudiosink sync=false async=false adjust your own LOW/HIGH points according to the CW Pitch you will be using from your CPO GSTREAMER has downloads for all OSes and can use all OS audio drivers... https://gstreamer.freedesktop.org/download/