From owner-freebsd-multimedia@FreeBSD.ORG Sun Sep 16 07:03:50 2012 Return-Path: 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 9BBCB106566C for ; Sun, 16 Sep 2012 07:03:50 +0000 (UTC) (envelope-from c.turner@199technologies.com) Received: from vm02.199technologies.com (vm02.199technologies.com [72.14.177.178]) by mx1.freebsd.org (Postfix) with ESMTP id 7B3218FC0A for ; Sun, 16 Sep 2012 07:03:50 +0000 (UTC) Received: from dev01.lan1.tx.199technologies.com (adsl-108-195-218-172.dsl.hstntx.sbcglobal.net [108.195.218.172]) by vm02.199technologies.com (Postfix) with ESMTPSA id 607F270047 for ; Sun, 16 Sep 2012 06:54:01 +0000 (GMT) Message-ID: <50557783.30604@199technologies.com> Date: Sun, 16 Sep 2012 01:53:55 -0500 From: Chris Turner User-Agent: Mozilla/5.0 (X11; DragonFly i386; rv:8.0) Gecko/20120120 Thunderbird/8.0 MIME-Version: 1.0 To: freebsd-multimedia@freebsd.org References: <4B739CF4-5D1D-4FE0-83FD-6987DCB40866@gmail.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: Sound system developement question 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: Sun, 16 Sep 2012 07:03:50 -0000 On 09/14/12 18:34, Robert Sjonøy wrote: > Well the term I would use is jitter. Which can easily measured. This is usually handled within the sound hardware itself - the OS makes sure a buffer is full, and then the DAC plays from the buffer using it's internal clock. (similarly on the AD side) cheers, - chris