Novell Suse Linux Professional 9.2 00662644457284 ユーザーズマニュアル
製品コード
00662644457284
15
Sound
in
Linux
Linux
case, ‘MM’ appears above the muted controller. To terminate alsamixer, press
Esc
.
The basic controls for sound output are ‘Master’, ‘PCM’, and ‘CD’. ‘Master’ sets
the master volume. ‘PCM’ and ‘CD’ control the respective weighting of the PCM
and audio CD channels.
Determine the recording source by pressing
the master volume. ‘PCM’ and ‘CD’ control the respective weighting of the PCM
and audio CD channels.
Determine the recording source by pressing
Space
. The ‘capture’ controller reg-
ulates the input amplifier. Whether the ‘Line’ controller or the ‘MIC’ controller is
used depends on the recording source.
For more information, enter
used depends on the recording source.
For more information, enter
man alsamixer
. alsamixergui is a mouse-operated
variant of alsamixer with a graphical interface.
Note
The look and feel of alsamixer depends on the type of sound card
used. The description referred to the AC97 standard for mixer func-
tionality. If your sound card does not comply with this standard, some
features may not be supported. The mixer Envy24 should be used for
sound cards equipped with the Envy24 (ice1712) chip (see The Mixer for
the Sound Chip Envy24 on this page).
used. The description referred to the AC97 standard for mixer func-
tionality. If your sound card does not comply with this standard, some
features may not be supported. The mixer Envy24 should be used for
sound cards equipped with the Envy24 (ice1712) chip (see The Mixer for
the Sound Chip Envy24 on this page).
Note
15.2.6
Mixer Parameters of Soundblaster Live! and Audigy
Apart from the parameters of the ‘AC97’ standard, there are many additional op-
tions for Soundblaster Live! and Audigy cards. The controls ‘AC97’, ‘Wave’, and
‘Music’ are used for playback. ‘AC97’ can be used to adjust the level of the ‘AC97’
mix. This mix also receives input from the ‘line’, ‘mic’, and ‘CD’ signals. ‘Wave’
adjusts the level of the PCM channels. ‘Music’ controls the volume of the internal
wavetable synthesis of MIDI data.
Apart from the ‘Capture’ parameter for recordings, the ‘AC97 Capture’ control
is used to control the level of the ‘AC97’ recording sources. Furthermore, ‘Wave’
and ‘Music’ can be selected as recording source. This internal loopback capture
can be activated in the ‘AC97’ standard by selecting the ‘Mix’ control as recording
source.
tions for Soundblaster Live! and Audigy cards. The controls ‘AC97’, ‘Wave’, and
‘Music’ are used for playback. ‘AC97’ can be used to adjust the level of the ‘AC97’
mix. This mix also receives input from the ‘line’, ‘mic’, and ‘CD’ signals. ‘Wave’
adjusts the level of the PCM channels. ‘Music’ controls the volume of the internal
wavetable synthesis of MIDI data.
Apart from the ‘Capture’ parameter for recordings, the ‘AC97 Capture’ control
is used to control the level of the ‘AC97’ recording sources. Furthermore, ‘Wave’
and ‘Music’ can be selected as recording source. This internal loopback capture
can be activated in the ‘AC97’ standard by selecting the ‘Mix’ control as recording
source.
15.2.7
The Mixer for the Sound Chip Envy24
envy24control is a mixer application for sound cards using the Envy24 (ice1712)
chip. Start this mixer with ‘SUSE’ ➝ ‘Multimedia’ ➝ ‘Sound’ or from the com-
chip. Start this mixer with ‘SUSE’ ➝ ‘Multimedia’ ➝ ‘Sound’ or from the com-
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SUSE LINUX