---------- Forwarded message ---------- From: Justin Bracken <scourc...@gmail.com> Date: Wednesday, September 29, 2010 Subject: Same File Size To: Eric Blossom <e...@comsec.com>
Are the samples in the files synced? I.e. The sample at index 1 in file1 is recorded at the same time as the sample at index 1 in file2? In which case file length is irrelevant. On Sep 29, 2010, at 4:20 PM, Eric Blossom <e...@comsec.com> wrote: > On Wed, Sep 29, 2010 at 04:14:18PM -0400, Justin Bracken wrote: >> Hello All, >> >> I am expecting to see a similiar file size in a simple test file that im >> running and I don't get that. Is there something Im missing? >> >> USRP2->FileSink >> SignalSource->Throttle->FileSink >> >> I have checked obvious things. The USRP2 block is set to a decimation of >> 400. Given the 100MS/s rate of the USRP2 I expect the stream to be 250e3 >> MS/s. So I set the overall sample rate to 250e3. I have also set the >> datatypes of all the blocks to floats. The Throttle is set to 250e3. >> >> If it matters the signal source is set to a saw tooth,1Hz. >> >> Im more interested in knowing that samples read back out of the files are >> synchronized. So I guess it doesn't matter if they are the same length if >> all this mean is that I need to trim the files to the same length. >> >> Thanks, >> Justin > > If you want a particular number of samples in a file, etc., > use gr.head. > > Generally you SHOULD NOT be using throttle. > > throttle causes so much confusion, I'm of the opinion that we should > remove it from the code base. > > Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
