From owner-freebsd-multimedia@FreeBSD.ORG Sat Feb 17 17:07:13 2007 Return-Path: X-Original-To: multimedia@freebsd.org Delivered-To: freebsd-multimedia@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D742D16A400 for ; Sat, 17 Feb 2007 17:07:13 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.freebsd.org (Postfix) with ESMTP id 9565813C4BB for ; Sat, 17 Feb 2007 17:07:13 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from localhost (localhost [127.0.0.1]) by harmony.bsdimp.com (8.13.4/8.13.4) with ESMTP id l1HH5jUm034390; Sat, 17 Feb 2007 10:05:45 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Sat, 17 Feb 2007 10:06:29 -0700 (MST) Message-Id: <20070217.100629.-1297660600.imp@bsdimp.com> To: kazuhito@ph.noda.tus.ac.jp From: "M. Warner Losh" In-Reply-To: <20070217.205042.835831436.kazuhito@ph.noda.tus.ac.jp> References: <20070216.151321.43011330.imp@bsdimp.com> <20070217.205042.835831436.kazuhito@ph.noda.tus.ac.jp> X-Mailer: Mew version 4.2 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0 (harmony.bsdimp.com [127.0.0.1]); Sat, 17 Feb 2007 10:05:48 -0700 (MST) Cc: multimedia@freebsd.org Subject: Re: Sound Blaster USB? X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 17 Feb 2007 17:07:13 -0000 In message: <20070217.205042.835831436.kazuhito@ph.noda.tus.ac.jp> Kazuhito HONDA writes: : Its cause is that FreeBSD sound system is unfit for USB sound systems. : Some USB sound devices have several mute knobs. : But FreeBSD sound system has one mute knob only. : Thus FreeBSD can't control mute knobs of USB sound devices. : : `SB Live! 24-bit External' makes the mute knob on : when none is plugged in `phones'. : FreeBSD can't change the mute knob from on to off. : Thus you can't get any sound. : If something is plugged from beginning, : the mute knob is off, and you can get some sounds. : : `MASTER (PUSH-MUTE)'knob can change the mute status to on, : but it can't change the mute status from on to off. : : At least, my `SB Live! 24-bit External' does that behaviors. Honda-san, thank you for this great explaination. Are the details for how to program the device documented somewhere? Or do I just need to be careful to always plug in the SB Live! USB with the head phones and there's no hope for improvement? Warner