HP Remote Graphics Software (RGS) Manuel d'utilisateur télécharger pdf (Page 51)

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NOTE: Sounds that play through an internal speaker, such as the ToggleKeys sound on Windows, are not

captured by RGS.

For information on the audio settings in RGS Receiver, see Audio on page 21.

For Remote Audio troubleshooting tips, see Remote Audio issues on page 74.

Using Remote Audio (Windows-based sender)

On Windows, Remote Audio should work by default. If the sender has an audio device, the RGS Sender

installation process detects it. If the sender does not have an audio device (or if you disable all audio devices

prior to installation of RGS Sender), then the

HP Remote Audio virtual audio device is also installed during

the RGS Sender installation process and will be used by RGS instead.

Using Remote Audio (Linux-based sender)

On Linux, some manual conguration might be required for Remote Audio depending on the audio capture

method you intend to use.

If the sender has an audio device, RGS supports two dierent methods of audio capture:

●

PulseAudio—See PulseAudio on page 41.

●

Advanced Linux Sound Architecture (ALSA)—See ALSA on page 41.

The following property species which audio capture method will be used (see Other global properties

on page 64 for more information):

Rgsender.Audio.Linux.RecorderApi

NOTE: Some audio device drivers might not have the capability to capture application-generated audio.

PulseAudio

Any audio device that is congured for PulseAudio can be used. PulseAudio provides a software interface

similar to the Stereo Mix capability for ALSA. PulseAudio also provides a dummy device that allows the audio

system to function when no hardware audio devices are available.

When using PulseAudio to capture audio, RGS Sender attempts to detect and connect to the monitor of the

default playback device of the sender automatically. Explicit control of the PulseAudio capture device is

available through the following property (see Other global properties on page 64 for more information):

Rgsender.Audio.Linux.DeviceName

If this property is set, RGS Sender attempts to connect to the device specied by this property. The command

pactl list is useful for determining the PulseAudio device names. To capture from a specic device,

specify the corresponding PulseAudio monitor source string (such as alsa_output.pci-0000_00_1b.

0.analog-stereo.monitor).

PulseAudio allows the user to congure and control the audio devices in the system. Changing the output

device during an RGS session results in a loss of audio. To restore audio, either reselect the original device or

stop and start the audio stream using the audio settings in RGS Receiver.

ALSA

When using the ALSA audio system to capture audio, an audio device is required to be installed on the sender

for application-generated audio to be sent to the receiver. Furthermore, the audio device installed in the

sender must have the ability to record from a control that is the mix of all audio signals. On a Windows

computer, by way of comparison, this control is often called Stereo Mix. Linux, however, does not follow a

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HP Remote Graphics Software (RGS) Manuel d'utilisateur Page 51

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