Re: [Discuss-gnuradio] lack of understanding the different formats to store samples

[Marcus Müller]

In what format are your 1bit samples? I'd assume they are just the fact
whether a byte is 0x00 or 0x01; in that case, just use unpacked to packed.

On 03/11/2016 10:24 AM, Ralph A. Schmid, dk5ras wrote:
> Hi,
>
> Being an RF guy I must admit that I am somehow lost in the different ways
> how samples are stored in files. I stumbled over this question when I
> experimented with https://github.com/osqzss/gps-sdr-sim. It works great when
> using 16 bit samples and using a simple two-block grc file, feeding them
> directly from a file source to the UHD sink. However the 1 bit variant
> sounds promising, as the files are much smaller this way and also the
> generation of them runs much faster.
>
> It must only be a matter of finding the right blocks and the right settings
> to convert this, but my google search was highly confusing, most probably
> due to different names for the same thing.
>
> So I do not only ask for how to use "four 1-bit I/Q samples into a single
> byte" (taken from the readme of the gps-sdr-sim), but for a more general
> overview how this stuff is done, to be prepared for other upcoming questions
> of this kind :) Up to now I solved those issues by an educated guess or even
> by try and error, what is not very satisfying...
>
> Ralph. 
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio