[uaudio] recording with jumpness

[Hans Petter Selasky]

On Saturday 26 December 2009 13:22:32 MIHIRA Sanpei Yoshiro wrote:
> Hi.
>
>   I recorded radio with ports/audio/wavplay(into wav file).
>   But sometime jumpiness (20 times in 30min)
>
>   I set ``rtprio 0'' (/usr/sbin/trprio), but is have only a small
> effect(5-10 times n 30min).
>
>   Please let me know how could I solve this problem.
>
> [System]
> FreeBSD-8-stable/amd64
> Athlon(tm) Processor 1640B(2.7GHz)
> (This system is private mail/web server..)
>
> [Sound card]
> USB Audio
>
> FreeBSD Audio Driver (newpcm: 64bit 2009061500/amd64)
> Installed devices:
> pcm1: <USB audio> at ? kld snd_uaudio [MPSAFE] (1p:1v/1r:1v channels
> duplex)
>
> dev.pcm.1.buffersize: 0

Is the problem the same in 9-current?

What is the sample rate?

Have you tried recording with sox ?

--HPS