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Thanks Jim, from a Linux user.? I'm curious what you did to improve pulseaudio speed.

73,

Rob

KL7NA

CAUTION: This email originated from outside the Walla Walla University email system.

The Alsa sound driver and the Windows sound driver with the "Fast Sound" option are fast enough to produce a useful sidetone for CW operation. I improved the PulseAudio sound driver to produce a fast sidetone too.

Jim
N2ADR

-- 
Rob Frohne,PhD PE
Professor
School of Engineering
Walla Walla University
204 S. College Ave.
College Place, WA 99324

Excellence in Thought ? Generosity in Service ? Beauty in Expression ? Faith in God

Thank you Jim,

It works beautifully! I can now run a KiwiSDR on my web browser and Quisk with pulse giving me the ability to switch between either receiver (or both) helping me to beat my S8 local noise. My station is getting fairly automated now in terms of connecting up. I have a control box which is driven from a server written in Python on my remote Rpi4 that allows me to turn on the equipment in my shack individually and prime my antenna tuner for a tune cycle when RF appears plus receiving a signal from the tuner when tune cycle is complete to go to normal transmission. My operating position has a client app written in Qt6 which I am in the process of converting to PySide6 which sends the control signals to the control box via the Rpi4 and python server and the tune button. When the controller's tune button is clicked to prime the tuner, I send a CAT command to Quisk to operate the spot button and turn it off again when tune complete. I have not had to touch a line of your code, nor that of the HL2 so congratulations on such a well thought out system with all the hooks I need to get the result I want -- ditto for HL2

73, Graeme ZL2APV