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Re: [Discuss-gnuradio] question about overruns with simple flowgraph

From: Stephen
Subject: Re: [Discuss-gnuradio] question about overruns with simple flowgraph
Date: Tue, 06 Aug 2013 20:07:28 -0500
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130509 Thunderbird/17.0.6

> I tend to use the fractional interpolator--you can get exact rate
> matching that way.  It doesn't seem that expensive, particularly when I
> use it at the
>   "low speed" part of the graph near the audio subsystem.

I tried that and it worked. But it adds a small amount of hiss. I also
tried the fractional resampler. It added a lot of hiss and a high pitch
whine. The polyphase arbitrary resampler added a more hiss than the
fractional interpolator but less than the fractional resampler.


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