From owner-freebsd-questions@FreeBSD.ORG Sun Aug 10 12:01:25 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DB58F1065671 for ; Sun, 10 Aug 2008 12:01:25 +0000 (UTC) (envelope-from rsmith@xs4all.nl) Received: from smtp-vbr16.xs4all.nl (smtp-vbr16.xs4all.nl [194.109.24.36]) by mx1.freebsd.org (Postfix) with ESMTP id 7A4828FC16 for ; Sun, 10 Aug 2008 12:01:25 +0000 (UTC) (envelope-from rsmith@xs4all.nl) Received: from slackbox.xs4all.nl (slackbox.xs4all.nl [213.84.242.160]) by smtp-vbr16.xs4all.nl (8.13.8/8.13.8) with ESMTP id m7AC0jqn065925; Sun, 10 Aug 2008 14:00:45 +0200 (CEST) (envelope-from rsmith@xs4all.nl) Received: by slackbox.xs4all.nl (Postfix, from userid 1001) id EB4B8BAA1; Sun, 10 Aug 2008 14:00:41 +0200 (CEST) Date: Sun, 10 Aug 2008 14:00:41 +0200 From: Roland Smith To: Craig Butler Message-ID: <20080810120041.GA8483@slackbox.xs4all.nl> References: <1218367781.94802.23.camel@main.lerwick.hopto.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="RnlQjJ0d97Da+TV1" Content-Disposition: inline In-Reply-To: <1218367781.94802.23.camel@main.lerwick.hopto.org> X-GPG-Fingerprint: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 X-GPG-Key: http://www.xs4all.nl/~rsmith/pubkey.txt X-GPG-Notice: If this message is not signed, don't assume I sent it! User-Agent: Mutt/1.5.18 (2008-05-17) X-Virus-Scanned: by XS4ALL Virus Scanner Cc: freebsd-questions@freebsd.org Subject: Re: sound jitter with snd_via8233 and freebsd 7 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 10 Aug 2008 12:01:25 -0000 --RnlQjJ0d97Da+TV1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Aug 10, 2008 at 12:29:41PM +0100, Craig Butler wrote: > Hi All >=20 > I am experiencing sound jitter when watching video or listening to > music. > I have tried many players (vlc, mplayer, xine ... etc) with different > cache settings -- same result. > It jitters even if the computer is not busy. >=20 > Has anybody else experienced this ? is there a fix ? You could try playing around with some of the sound sysctls: hw.snd.latency_profile hw.snd.latency hw.snd.feeder_buffersize (try 'sysctl hw.snd' to see all sysctls). Roland --=20 R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) --RnlQjJ0d97Da+TV1 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkie2GkACgkQEnfvsMMhpyW00gCgoDKsAiRamEwQ2ggpxBaFhrur h2UAn1Bl/248jwOEazzwFApOyqXN8GkD =jFYO -----END PGP SIGNATURE----- --RnlQjJ0d97Da+TV1--