If you are using VGA to HDMI or DVI to HDMI ... It is important to set the default sound device as output. You might have a monitor with an external speaker, but the audio output is set to ...

The result converts RGB and sync data for VGA into DIV-D. Since DVI-D and HDMI both use the same signals for video, this can be connected to either input on a monitor or TV. This implementation ...

Regarding video output, the Conference Speaker Mini Dock offers the choice of HDMI or VGA outputs. The HDMI port can support an external monitor with resolutions up to 4K and a refresh rate of 60Hz.