HP Remote Graphics Software (RGS) Manual de usuario Pagina 65

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cat /proc/asound/devices
From this, you will see a list of the audio devices and it will look something like this:
0: [ 0] : control
1: : sequencer
8: [ 0- 0]: raw midi
16: [ 0- 0]: digital audio playbac
17: [ 0- 1]: digital audio playback
24: [ 0- 0]: digital audio capture
32: [ 1] : control
33: : timer
48: [ 1- 0]: digital audio playback
56: [ 1- 0]: digital audio capture
There are two important things. The first is the content between the “[ ]”. The first number is the “card”
(denoted “c” below) and the second number is the “device” (denoted “d” below). The second important thing
is the word “capture” in the description.
Rgsender.Audio.Linux.DeviceName=plughw:c,d
In the example above, depending upon which audio device you would like to capture the audio from, you
could specify the device with:
Rgsender.Audio.Linux.DeviceName=plughw:0,0
or
Rgsender.Audio.Linux.DeviceName=plughw:1,0
Configuring audio on Linux
The audio devices on Linux are not consistent in the naming conventions of the audio controls. The RGS
Sender installer will attempt to adjust volume levels for known audio devices to allow audio to be captured.
See
Remote Audio device support on Linux on page 96 for a list of supported audio devices. This section
describes how to adjust volume levels for the supported audio devices. This information may be helpful for
configuring audio devices that are not currently supported by the RGS Sender installer.
Volume levels can typically be adjusted through the Volume Control application. This is usually found in the
gnome panel or the system preferences menu. The Volume Control application may not show all available
volume controls. The preferences for the Volume Control application may need to be adjusted to allow access
to hidden volume controls.
The alsamixer is a command line program for adjusting volume. This application will not hide audio controls
like its GUI counterpart; however, it is not as intuitive. Press the h key after running alsamixer to get
additional information on how to control capture volumes.
The Audigy2ZS and Audigy 4 audio devices require the controls labeled PCM Capture to have a non-zero
volume. Other volume controls will not impact the volume of the signal captured through RGS. Since the
master control does not impact RGS, the volume of the speakers on the remote computer can be muted
without preventing RGS from capturing an audio signal.
The Sound Blaster Live! needs to have recording enabled on the Wave control in addition to having a non-
zero volume level. Similar to the Audigy cards, the master control does not impact RGS.
Remote Audio 53
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