How to feed the "file source" block?

GNU Radio
1

Hi everybody! I am in the process of collecting some signals. Do I want
FM discriminator output or digital IQ? I don’t know what kind of file to
feed to the file source block: .wav or .mp3 or what?

Thanks,
Matt

2

You should provide file with sample values inside, and it depends on
what
kind of signal have you recorded, complex, real, etc… Since you are
collecting some signals, i suppose you are using file sink block in
order
to store data to file, so all you have to do is to provide that file to
file source.
I am not giving answers so often, so please excuse me if i was wrong.

Nemanja