Fwd: sending computer Morse?

Posted by vk4tux on Sep 28, 2012; 10:57am
URL: http://elecraft.85.s1.nabble.com/sending-computer-morse-tp7563309p7563381.html


Brilliant Tom, run services.msc and turn Windows Audio (off) ok.

Den 27-Sep-12 16:51, Tommy Alderman skrev:
> Since you are talking about "operating systems" and since most ham
software
> is written for Windows, a much less expensive solution is to just turn
> off Windows sound generation. When Windows generates sounds, the CPU
> first
shuts
> off the I/O ports, which causes CW stutter, generates the sounds and
> then returns the I/O port to normal operation. Eliminating that sound
generation
> removes that 'stutter' generated by serial (or I/O ports) port. I have
been
> using audio generated CW driving a simple audio detector, to key my
> transmitters for about 30 years and running in excess of 60 wpm,
> without
any
> serial port generated stutter. And it cost a LOT less than purchasing
> outboard keyers!
>
> 73,
> Tom - W4BQF



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