From owner-freebsd-multimedia@FreeBSD.ORG  Sat Dec 26 15:30:29 2009
Return-Path: <owner-freebsd-multimedia@FreeBSD.ORG>
Delivered-To: freebsd-multimedia@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 7262C1065670
	for <freebsd-multimedia@freebsd.org>;
	Sat, 26 Dec 2009 15:30:29 +0000 (UTC)
	(envelope-from hselasky@c2i.net)
Received: from swip.net (mailfe01.swip.net [212.247.154.1])
	by mx1.freebsd.org (Postfix) with ESMTP id 081E58FC15
	for <freebsd-multimedia@freebsd.org>;
	Sat, 26 Dec 2009 15:30:28 +0000 (UTC)
X-Cloudmark-Score: 0.000000 []
X-Cloudmark-Analysis: v=1.0 c=1 a=MnI1ikcADjEx7bvsp0jZvQ==:17
	a=AINIF8Q68XZPGCJ1S6QA:9 a=WB8zzgAjzdHtkEtITD8XWF1EjF0A:4
Received: from [188.126.201.140] (account mc467741@c2i.net HELO
	laptop.adsl.tele2.no)
	by mailfe01.swip.net (CommuniGate Pro SMTP 5.2.16)
	with ESMTPA id 298124532; Sat, 26 Dec 2009 16:30:27 +0100
From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-multimedia@freebsd.org
Date: Sat, 26 Dec 2009 16:32:31 +0100
User-Agent: KMail/1.11.4 (FreeBSD/9.0-CURRENT; KDE/4.2.4; i386; ; )
References: <20091226.212232.659297779025187709.sanpei@sanpei.org>
In-Reply-To: <20091226.212232.659297779025187709.sanpei@sanpei.org>
X-Face: (%<A9p'; 5>:6u[ldzJ`0qjD7sCkfdMmD*RxpO<Q0yAl~?`'F?jDVb]E6TQ7'#h-VlLs}k/
	(yxg(p!IL.`#ng"%`BMrham7%UK,}VH\wUOm=^>wEEQ+KWt[{J#x6ow~JO:,zwp.(t; @Aq
	:4:&nFCgDb8[3oIeTb^'",;u{5{}C9>"PuY\)!=#\u9SSM-nz8+SR~B\!qBv
MIME-Version: 1.0
Content-Type: Text/Plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200912261632.33036.hselasky@c2i.net>
Cc: MIHIRA Sanpei Yoshiro <sanpei@sanpei.org>
Subject: Re: [uaudio] recording with jumpness
X-BeenThere: freebsd-multimedia@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Multimedia discussions <freebsd-multimedia.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia>, 
	<mailto:freebsd-multimedia-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-multimedia>
List-Post: <mailto:freebsd-multimedia@freebsd.org>
List-Help: <mailto:freebsd-multimedia-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia>, 
	<mailto:freebsd-multimedia-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 26 Dec 2009 15:30:29 -0000

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