[Tfug] No sound, Ubuntu 8.10
Claude Rubinson
rubinson at u.arizona.edu
Sun Nov 23 09:03:49 MST 2008
On Sun, Nov 23, 2008 at 03:55:21PM +0000, arizray at comcast.net wrote:
> I opened alsamixer and had one column showing a bar into the red
> zone but 00 at the bottom. I'm not sure how that works.
It means that everything's fine from alsa's perspective. See the
alsamixer man page:
MIXER VIEWS
The top-left corner of alsamixer is the are to show some basic informa‐
tion: the card name, the mixer chip name, the current view mode and the
currently selected mixer item. When the mixer item is switched off,
[Off] is displayed in its name.
Volume bars are located below the basic information area. You can
scroll left/right when all controls can’t be put in a single screen.
The name of each control is shown in the bottom below the volume bars.
The currently selected item is drawn in red and/of emphasized.
Each mixer control with volume capability shows a box and the current
volume filled in that box. The volume percentages are displayed below
the volume bar for left and right channels. For a mono control, only
one value is shown there.
When a mixer control is turned off, M (mute) appears below the volume
bar. When it’s turned on, O in green appears instead. You can toggle
the switch via m key.
When a mixer control has capture capability, the capture flag appears
below the volume bar, too. When the capture is turned off, ------ is
shown. CAPTUR in red appears when the capture switch is turned on. In
addition, L and R letters appear in left and right side to indicate
that left and the right channels are turned on.
Some controls have the enumeration list, and don’t show boxes but only
texts which indicate the currently active item. You can change the
item via up/down keys.
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