Overview

The NComputing RX420(IGEL) supports digital audio via USB and HDMI and analog audio via a 3.5mm jack. The user can select a device using the audiomixer.

Selecting a USB Headset on the Endpoint

  1. Open the audiomixer, e.g. by right-clicking on the desktop and selecting Sound Preferences from the context menu. For further starting methods, see Sound Preferences.
  2. In the Audiomixer dialog, select the desired device. If in doubt about the device naming, see How Do My Audio Devices Appear in the Audiomixer?.
  3. Check if the appropriate profile is selected. For a headset, this should be Analog Stereo Output + Analog Mono Input
  4. To make sure that the audio output is working, click Test sound and then click the speaker symbols. You should hear a test sound on your headset.
  5.  To make sure that the audio input is working, click the Input devices tab and speak into your headset's microphone. If the VU meter is reacting, the sound input is working correctly, and you can click Close

How Do My Audio Devices Appear in the Audiomixer?

Output Devices

Name in AudiomixerPhysical Audio Output

[Device name] (Headphones)

Example: Plantronics Blackwire 5220 Series (Headphones)

USB 
bcm2835 HDMI 1 (Analog Output)HDMI
bcm2835 Headphones3.5mm audio jack

Input Devices

Name in AudiomixerPhysical Audio Input

[Device name] (Headset Microphone)

Example: Plantronics Blackwire 5220 Series (Headset Microphone)

USB