SLUG Mailing List Archives
Re: [SLUG] Adjusting volume on bluetooth headset
- To: slug@xxxxxxxxxxx
- Subject: Re: [SLUG] Adjusting volume on bluetooth headset
- From: Luke Yelavich <themuso@xxxxxxxxxxx>
- Date: Thu, 18 Feb 2010 09:54:02 +1100
- User-agent: Mutt/1.5.20 (2009-06-14)
On Wed, Feb 17, 2010 at 04:52:12PM EST, Peter Chubb wrote:
> Hi folks,
> I've recently acquired a bluetooth headset capable of a2dp
> streaming. After a lot of mucking around I've managed to get it
> sort-of working with mplayer. But I can't wwork out how to adjust
> the volume.
> I do
> mplayer -ao alsa:device=bluetooth file.ogg
> and I get sound from the headset. But alsamixer doesn't see the
> mixer, and it's too loud. Mplayer's volume control says it has
> changed the volume, but it doesn't seem to make a difference ---
> even when mplayer reports 0% there's still lots of volume.
Probably the ALSA interface to bluetooth is not working very well. What alsa-lib and bluez versions are you using?
> cat /proc/asound/devices
> shows only the on-board Intel sound card, not bluetooth.
Thats because ALSA bluetooth support is via an alsa plugin provided by the bluez package, as all audio goes via the bluez stack.