Hi psb, On Fri, Oct 10, 2014 at 12:55 AM, psb hlw <[email protected]> wrote:
> Hi! > > Can anyone state what rtl_sdr does with the adc values and how to handle > it? > rtl_sdr does nothing with adc values - they are unsigned 8 bit integer. To > normalize them to -1..+1 range you need to subtract 128 (i.e. got signed > value) and divide that by 128.0. > > (byte - 128) / 128.0 > > you can multiply result by 32767, round it and got indeed values which > sdr# store in their wav file. > firstly, I need to convert it to wav to be able to work with it, so I need to know first, what settings I have to do in sox before I can use the math and manipulate it :). So it would be good to get the sox command to convert it right. Best regards, Andreas
