[hpsdr] Mercury v2.4 -- still distorted audio ( Atom 330 )

[Doug Bade]

In mine, nothing besides what is on the motherboard... Only 1 usb 
device plugged in, the cable to the HPSDR...

Doug
KD8B



At 02:47 PM 1/24/2009, Bill Tracey wrote:
>Is there anything else on the USB bus on the Atom boxes?  Wondering 
>if we're not taking a perf hit with contention for the USB bus?
>
>Regards,
>
>Bill (kd5tfd)
>
>At 01:42 PM 1/24/2009, Doug Bade wrote:
>>***** High Performance Software Defined Radio Discussion List *****
>>
>>Mine is the Atom 330 board.. lIt seems the usb subsytem is slower 
>>than expected by the software... as an above board Pci USB card did 
>>not help either... CPU load is very low but high processing rates 
>>seem to flood the data on the usb ..and introduce nasty distortion 
>>and garble.... Only the highest setting is broken, but some of the 
>>lower pairings introduce clicks and pops as well as high cpu 
>>load... Experimenting on mine I settled on 192k with buffers set to 1024...
>>
>>Doug
>>KD8B
>


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