Raspberry Pi snd_aloop buffer under runs

Stuart Naylor <[email protected]>
Newsgroups gmane.comp.audio.sox
Message-ID <DB7P191MB0332482701F79D152025081CA8DB0@DB7P191MB0332.EURP191.PROD.OUTLOOK.COM>
I have been using sox just to test.

Code: Select all<https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=296276>

sox --buffer 32768 -t alsa -c 1 plughw:CARD=Device -t alsa plughw:CARD=Device
No underruns

Code: Select all<https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=296276>

sox --buffer 32768 -t alsa -c 1 plughw:CARD=Device -t alsa plughw:CARD=Loopback
sox WARN alsa: under-run

Anyone no why just changing to a loopback should cause buffer under-runs?

Stuart

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