From: Reiner Klenk <pdq808@t-online.de>
To: BlueZ development <bluez-devel@lists.sourceforge.net>
In-Reply-To: <20061109104245.GB7085@physik.fu-berlin.de>
References: <200611091102.54282.marcel@hilzinger.hu>
	<20061109104245.GB7085@physik.fu-berlin.de>
Date: Thu, 09 Nov 2006 11:07:33 +0100
Message-Id: <1163066853.5983.24.camel@grappa>
Mime-Version: 1.0
Subject: Re: [Bluez-devel] Quality of a2dp sound
Reply-To: BlueZ development <bluez-devel@lists.sourceforge.net>
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Sender: bluez-devel-bounces@lists.sourceforge.net
Errors-To: bluez-devel-bounces@lists.sourceforge.net

Hi,
I'm also using a BT620s and I find the sound quality acceptable using
the a2dp plugin. I also tested with a2dpd and there wasn't any
difference in sound quality that I could perceive. However, with a2dp,
which I'm using with amarok I can actually play mono/stereo sources with
different sample rates without getting the pitch problem (Frederic has
submitted patches for a2dpd recently but I haven't tested them yet). I'm
using a 100 mW dongle and there are no drop-outs within my (not too big)
appartment. It seems to be fairly stable, I have used the headset for
hours without a glitch.
What I did notice is that the volume could be higher and there is the
occasional faint clicking which might be due to clipping. As far as I
understood these are known issues inside the sbc encoding library.
Of course, headsets like the BT620s can be connected via SCO as well as
a2dp. Use SCO to hook it up to your phone or to egika, but definitly use
a2dp for the connection to amarok or other music/podcast players.

Regards,
Reiner   


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