Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 4 Feb 2001 07:34:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 4 Feb 2001 07:34:27 -0500 Received: from CPE-61-9-150-57.vic.bigpond.net.au ([61.9.150.57]:27289 "EHLO elektra.higherplane.net") by vger.kernel.org with ESMTP id ; Sun, 4 Feb 2001 07:34:08 -0500 Date: Sun, 4 Feb 2001 23:43:52 +1100 From: john slee To: clock@atrey.karlin.mff.cuni.cz Cc: linux-kernel@vger.kernel.org Subject: Re: Inadmissible sound dropouts on 2.2.18 Message-ID: <20010204234352.D32071@higherplane.net> In-Reply-To: <20010204120728.48319@ghost.btnet.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.12i In-Reply-To: <20010204120728.48319@ghost.btnet.cz>; from clock@ghost.btnet.cz on Sun, Feb 04, 2001 at 12:07:28PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 04, 2001 at 12:07:28PM +0100, clock@ghost.btnet.cz wrote: > The crackling is not dependent on the buffer size you can set up in the C code. > The crackling is dependent on the frequency of the sine. It's clearly audible > (read: annoying) at 10kHz, audible at 1kHz, inaudible at 100Hz. So I think > they are sample dropouts - the card stops playing and repeats one sample until > kernel gets the breath and whips itself up to supply next audio data. hrm, i just ran your test progam. i don't hear this on my gus classic / celeron 533 / 320mb ram. at least nothing that *sounds* like crackling. just a high pitched annoying noise. using 2.4.1 + andrew morton's lowlatency patches. (which are wonderful, thanks andrew!) jiggle the cable from the GUS to wherever it goes to. j. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/