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Re: Rocky and soundcards


 

Hi Alberto,

Thank you for testing Rocky!

As you know, Rocky talks directly to the WDM driver of the audio card. This is the most promising but least explored method of audio streaming on the Windows platform. AFAIK, no other SDR program currently uses this method because WDM streaming is very poorly documented. There is some documentation on the MS web site that explains how to write WDM drivers - but not how to use them in applications.

However, WDM audio streaming is so attractive that someone has to find a way of using it. This is exactly what I am trying to do. Due to lack of documentation, this is to some degree a trial and error process, and I depend heavily on the user feedback since the program works fine on all of my own computers.

I have just uploaded v.1.02 of Rocky to , this may have fixed the problem that you described. Please try the new version and see if the problem if now fixed.

Also, I have written a utility that displays properties of all WDM audio devices on the system, this should help me to figure out what is going on on the systems where Rocky is not working properly. If the device list in Rocky is still blank, I will ask you and all other users who experience the same problem to run the utility and send me the report that it generates. The program is at .


73 Alex VE3NEA

I downloaded V 1.01, but pressing View | Settings the panel that opens
shows no entries for the Input Device and for the Output Device.

In addition, under File the choice Start Radio is grayed out.
Exiting from the program Windows complains about an Address Violation
at address 00403D6E, caused by a Read of address 00000004.

Running Windows XP SP1, with three sound cards :
Delta 44
Terratec Aureon Sky
nVidia nForce Audio on the mainboard

Thanks for a very nice program

73 Alberto I2PHD

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