Re: [Bluez-devel] Quality of a2dp sound

[Marcel Hilzinger <mhilzinger@linuxnewmedia.de>]

Am Donnerstag, 9. November 2006 11:07 schrieb Reiner Klenk:
> 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. =

Then we must have different ears :-) or different versions. I'm using Suse =

Linux 10.1 with kernel 2.6.16.21, alsa-version is 1.0.13

a2dpd produces some noise in the background. If there is silence, you can h=
ear =

it. With a2play there is no noise. I will checkout cvs again and have a loo=
k.

> 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).
How do you change the sample rate?

> 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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-- =

Mit freundlichen Gr=FC=DFen,
Marcel Hilzinger

Linux New Media AG
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