From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1RM2TT-0001k6-Qg for garchives@archives.gentoo.org; Thu, 03 Nov 2011 18:57:16 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id DF68621C0D6; Thu, 3 Nov 2011 18:57:01 +0000 (UTC) Received: from mail-bw0-f53.google.com (mail-bw0-f53.google.com [209.85.214.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 8812F21C0CF for ; Thu, 3 Nov 2011 18:55:29 +0000 (UTC) Received: by bkbzs8 with SMTP id zs8so1810574bkb.40 for ; Thu, 03 Nov 2011 11:55:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=rSInl3svOQAQfBSCN0Ffa/kZSlrSI6ox+6MLYXV8gh0=; b=eTuouzsDnTdl36jsHU/AHDwjNRdPR2glBpBoZ4Qg6s8Svd+DhUwWk/cfl6dYk482lT HGch+RUm/Qo4gcttzBRXmVn+YN6zquDY1SDB7a6gcSJ4ml2eXp3qpADAKtjBcImOsbDS Hy+Pw7CTn/K9lTwAiU6JdJ1g37bpqaE+2Gffk= Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.204.156.68 with SMTP id v4mr7630275bkw.88.1320346528430; Thu, 03 Nov 2011 11:55:28 -0700 (PDT) Received: by 10.204.37.16 with HTTP; Thu, 3 Nov 2011 11:55:27 -0700 (PDT) In-Reply-To: <20111103184433.GB2788@acm.acm> References: <20111103172622.GA2788@acm.acm> <20111103191653.72925970@weird.wonkology.org> <20111103184433.GB2788@acm.acm> Date: Thu, 3 Nov 2011 14:55:27 -0400 Message-ID: Subject: Re: [gentoo-user] How do I turn my audio up? From: Michael Mol To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 0ad06051-f016-4a8d-aa1c-0bc0b8b1b8f3 X-Archives-Hash: fb803c127c5bf59fa00339a9e2f55a39 On Thu, Nov 3, 2011 at 2:44 PM, Alan Mackenzie wrote: > Hi, Alex > On Thu, Nov 03, 2011 at 07:16:53PM +0100, Alex Schuster wrote: >> The ONE in alsamixer? I have at least PCM, Front and CD, another PC >> also has Master. Are you missing some of those? Is a channel muted (you >> see 'MM' inmstead of a volume, use the M key to unmute)? Maybe you have >> to scroll with the right arrow key to see those channels? > > Ah, that was the problem. =C2=A0There are four effective volume controls = in > alsamixer: master, PCM, front, and side. =C2=A0They seem to multply toget= her > (each in the range 0 to 1). =C2=A0My "side" was only at ~30/100, the othe= rs > being around 80. > > Now they're all set to 93/100, and the volume control on the speakers > works sensibly. > > Why "side"? Support for, e.g. 5.1 channel surround sound. > What is "PCM"? Pulse Code Modulation. A method of encoding audio data digitally. In ALSA, this usually refers to applications' feeding audio data in via purely-software means. (As opposed to via a sound card's onboard input) --=20 :wq