From owner-freebsd-multimedia Sat Oct 27 9:12: 4 2001 Delivered-To: freebsd-multimedia@freebsd.org Received: from midget.dons.net.au (daniel.lnk.telstra.net [139.130.137.70]) by hub.freebsd.org (Postfix) with ESMTP id C67F437B403 for ; Sat, 27 Oct 2001 09:11:55 -0700 (PDT) Received: from cain.gsoft.com.au (root@localhost [127.0.0.1]) by midget.dons.net.au (8.11.6/8.9.3) with ESMTP id f9RGBkD88932; Sun, 28 Oct 2001 01:41:46 +0930 (CST) (envelope-from doconnor@gsoft.com.au) Message-ID: X-Mailer: XFMail 1.5.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20011027155446.PSZK22989.fepB.post.tele.dk@there> Date: Sun, 28 Oct 2001 01:41:45 +0930 (CST) From: "Daniel O'Connor" To: Bjarne Wichmann Petersen Subject: Re: hw.snd.pcm0.vchans Cc: freebsd-multimedia@freebsd.org, Willem van Engen Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On 27-Oct-2001 Bjarne Wichmann Petersen wrote: > > rates I tried gave no problem. Even a samplerate of 65535 works when also > > playing an 44kHz mp3. > > The sound doesn't sound distorted more like some added noise. Like some weak > EM-field (engine etc.) can distort an analoge EM-signal (TV, radio etc.). I am fairly sure it's just the sample rate converter generating noise.. See here -> http://www.vlsi.fi/other/VS_SRC/SampleRateTutorial.html > > Just a guess: maybe your system load is too high to do it smoothly? > Perhaps, though the CPU-load isn't above 70%. Perhaps some priority-issue? I think the converter runs at a _very_ (like interrupt) priority. --- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message