From owner-freebsd-multimedia@FreeBSD.ORG Sun Sep 16 11:26:23 2012 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 371291065670 for ; Sun, 16 Sep 2012 11:26:23 +0000 (UTC) (envelope-from roberth.sjonoy@gmail.com) Received: from mail-lpp01m010-f54.google.com (mail-lpp01m010-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id A40628FC15 for ; Sun, 16 Sep 2012 11:26:22 +0000 (UTC) Received: by lage12 with SMTP id e12so4382887lag.13 for ; Sun, 16 Sep 2012 04:26:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=yO+RBUEW9Y3bpELk6czv4NC4K0gSDWkJGslhMm+I6pQ=; b=qQysLxfEzjlePpOiE2bpU6xWKY+SLuhFOaRw3dS3e3D2TN0iU2kvNTcZP9HtNw+BSs ZZMKjKsXhV8G8qm4SCrfUpW3ZlWlfvGebypN/6zVPRvVJjGD/I/BgwhFrUdJ2U22EFJ0 +qMD8a2v1C56el9S1a+Ua4P4lt9y9FA7HzzwnsydJvKevCcIMB5rFx/yKVveYENFIRmP 4jFrI0d+IRm4YF/HgcZfiP4ZLepYqRYp87FAZGKWTSBJd2kvnpgipzBuB+esDETisR+V qdQsusIZZbTXEBE4AY3AWqt2PCZ/BXJyBE6vPvrm0ZtuR0+rUsfOFMhm0m2Qvg9GO+LI N/Cg== Received: by 10.112.17.131 with SMTP id o3mr2980410lbd.6.1347794781138; Sun, 16 Sep 2012 04:26:21 -0700 (PDT) Received: from [192.168.1.3] (214.4.200.37.customer.cdi.no. [37.200.4.214]) by mx.google.com with ESMTPS id sw5sm2008373lab.14.2012.09.16.04.26.19 (version=SSLv3 cipher=OTHER); Sun, 16 Sep 2012 04:26:19 -0700 (PDT) Message-ID: <5055B74C.8040201@gmail.com> Date: Sun, 16 Sep 2012 13:26:04 +0200 From: =?UTF-8?B?Um9iZXJ0aCBTam9uw7h5?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120910 Thunderbird/15.0.1 MIME-Version: 1.0 To: freebsd-multimedia@freebsd.org References: <4B739CF4-5D1D-4FE0-83FD-6987DCB40866@gmail.com> <50557783.30604@199technologies.com> In-Reply-To: <50557783.30604@199technologies.com> 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 11:26:23 -0000 On 09/16/2012 08:53 AM, Chris Turner wrote: > 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 > _______________________________________________ > freebsd-multimedia@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-multimedia > To unsubscribe, send any mail to > "freebsd-multimedia-unsubscribe@freebsd.org" > Yes I am fully aware of that but still the soundsystem and the music player has to the right job to, specially for me who has a dac who has no digitalfilter, where the input must low jitter, and such hardware the corrects the mistakes the software does is very expensive. Regarding to the music player, MPD, music player daemon does the job very as far as I have had the opportunity to test.