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Re: [Discuss-gnuradio] Configure UHD source and File sink to save intege

From: Josh Blum
Subject: Re: [Discuss-gnuradio] Configure UHD source and File sink to save integers
Date: Mon, 04 Mar 2013 14:43:34 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130221 Thunderbird/17.0.3

On 03/04/2013 02:36 PM, mepard wrote:
> I'd like to feed a File Sink from a UHD Source with 4 channels -- 2
> motherboards, each with A:A A:B subdev specs. To cut down on the file
> size, I'd like to record integers instead of floating point.
> Which data type should I tell the UHD source to produce? Which type
> should I tell the File Sink to record? What conversions do I need in
> between? I'd like to stay in GRC, if possible.

Sure thing. You can set the file sink to integer (int32), and either set
the usrp source block to vita word32 or sc16 type (both are 32 bits per

Thats still 4 streams, not sure if you are interleaving them or using 4
file sinks.


> -Marc
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