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Let's see if I got this correct . . .

So you have the I & Q signals that are at audio frequencies (about what frequencies are they) . . . going into your PC soundcards.

Once this gets into your PC via the soundcards . . . it gets changed ( detected ) into "usable" content via the SDR software.

I guess that the SDR software uses programming language to do this, does anybody know what programming language?

I know alittle about Python, is it a common language or something new & special for this function, acting as a detector? If it is new language, what is it called?

Does anybody know of a website that explains this all . . . in depth.

Thanks

In the group, Ricardo Suarez was kind enough to send me this link, looks like it has much info.



Al

So you have the I & Q signals that are at audio frequencies (about what frequencies are they) . . . going into your PC soundcards.

That is for Softrocks, "audio" frequencies up to +/-96KHz depending on the soundcard used as an ADC.
But more modern SDRs send data streams maybe representing a spectrum of 30MHz or more.

I guess that the SDR software uses programming language to do this,

The choice is the writer's. There is no dedicated language.

Best of luck:-) I've never got past just a basic outline of what is involved.

73 Alan G4ZFQ