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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. stephen
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