Re: [Discuss-gnuradio] data types and other questions

[Charles Swiger]

On Tue, 2006-10-31 at 13:53 -0800, Matt Ettus wrote:
> address@hidden wrote:
> > does this mean that the 64-bit gr_complex float is converted to integers 
> > (16bit
> > I and 16bit Q) when it
> > gets to the USRP?  This seems odd to me (but that could just be me not
> > understanding), so I was wondering if maybe someone could help me 
> > understand.
> >   
> 
> The USRP sends and receives complex shorts (pairs of 16-bit ints) over
> the USB bus.  The conversion to/from complex floats (pairs of 32-bit
> floats) is done in the host computer.  Everything happening in the USRP
> is fixed point.
> 

I guess that also means you can double your storage space and get better
disk i/o speed by saving data in native usrp short format.