[hpsdr] Mercury v2.4 -- still distorted audio
Doug Bade
kd8b at thebades.net
Sat Jan 24 10:58:10 PST 2009
Have you tried reducing the dsp scan bandwidth from 192k to 96k??? My
cpu board USB subsystem will not support 192k @2048... I need to
reduce to 192k at 1024, or 96k at 2048...
What I hear sounds like what you are describing....
Just a thought...
Doug
KD8B
At 01:17 PM 1/24/2009, you wrote:
>***** High Performance Software Defined Radio Discussion List *****
>
>
>I've tried what I can think of. Did level, freq calibration.
>Upgraded to v.2.4 on Mercury. Swapped power supplies. Established
>independent ground. I still have raspy audio out of powered speakers
>(West Mountain Radio). No hum when no signal, just normal
>atmospheric noise (40m). Running about 20% CPU utilization.
>
>Any other ideas?
>
>73
>--Paul, wa0rse
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