From owner-freebsd-multimedia Sat Jan 6 8:18:32 2001 From owner-freebsd-multimedia@FreeBSD.ORG Sat Jan 6 08:18:30 2001 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from kumr.lns.com (kumr.lns.com [140.174.7.1]) by hub.freebsd.org (Postfix) with ESMTP id B4C0637B400 for ; Sat, 6 Jan 2001 08:18:30 -0800 (PST) Received: (from pozar@localhost) by kumr.lns.com (8.11.1/8.9.3) id f06GLCv53400; Sat, 6 Jan 2001 08:21:12 -0800 (PST) (envelope-from pozar) Date: Sat, 6 Jan 2001 08:21:12 -0800 From: Tim Pozar To: dlm-fbmm@weaselfish.com Cc: freebsd-multimedia@FreeBSD.ORG Subject: Re: best shielded/high s/n supported sound card? Message-ID: <20010106082112.A53181@lns.com> References: <200101060523.f065NEh09521@green-dome.village.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <200101060523.f065NEh09521@green-dome.village.org>; from dlm-fbmm@weaselfish.com on Fri, Jan 05, 2001 at 10:23:14PM -0700 Sender: pozar@kumr.lns.com Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org One possible solution... A friend does very low level mesurements of pro audio equipment on his bench. He found that most of his noise came from the glass CRT that sits there too. Once he replaced it with an LCD panel his noise went down more than 20 db. Tim On Fri, Jan 05, 2001 at 10:23:14PM -0700, dlm-fbmm@weaselfish.com wrote: > So I'm picking up a fair amount of environmental noise with my > semi-cheapo ES1371 sound card (things like high-frequency noise when > an xterm scrolls; a different, continuous background HF noise; some 60 > Hz buzz, etc). Some of it, like the 60 Hz buzz, is almost certainly > due to the cable run between the machine and the mixer. However, I > strongly suspect that the HF problems are due to radiated energy > within the machine's case. The ES1371 has pretty much no shielding, > after all. > > My question is, what's the most noise-free (both internal, and from > induction) card that's supported by FreeBSD? Second, what's the best > supported card in terms of sound quality (assuming no induced noise, > etc)? Hopefully both of these are the same card, but if not, could I > get pointers to information on each, or reviews, or something? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message