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Re: [Discuss-gnuradio] First time user - fm radio tutorial has choppy au

From: Ralph A. Schmid, dk5ras
Subject: Re: [Discuss-gnuradio] First time user - fm radio tutorial has choppy audio
Date: Thu, 15 Jan 2015 05:28:38 +0100


How would I change this, skipping PulseAudio and using Alsa? The only audio 
application I try with gnuradio at the moment behaves similar here. I try to 
decode DMR, and I get choppy audio although everything should be OK. I blamed 
gr-dsd, but maybe it is a common issue. Will have to try a simple FM RX to 
verify :)


>You almost certainly have a sample-rate mismatch somewhere in the 
>flow--likely, your audio sink is configured for a sample-rate other than what
>the hardware (or PulseAudio) can support.  Sometimes also, PulseAudio gets 
>into trouble and gets all under-runny.   I'd go with Alsa direct if it
>were my problem, and skip Pulse entirely.

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