User Manual

20
User's Guide Fireface UFX II © RME
8. Operation and Usage
8.1 Playback
The Fireface UFX II can play back audio data in supported formats only (sample rate, bit resolu-
tion). Otherwise an error message appears (for example at 22 kHz and 8 bit).
In the audio application being used, Fireface must be selected as output device. This can often
be found in the Options, Preferences or Settings menus under Playback Device, Audio Devices,
Audio etc.
We recommend switching all system sounds off (via >Control Panel /Sounds<). Although the
Fireface UFX II comes with extensive support for system audio, setting it to be the Default De-
vice for playback could cause problems when working with ASIO.
The screenshot shows a typical configuration dialog of a (stereo) wave editor. Audio data is
sent to an analog or digital port, depending on which has been selected as playback device.
Increasing the number and/or size of audio buffers may prevent the audio signal from breaking
up, but also increases latency i.e. output is delayed. For synchronized playback of audio and
MIDI (or similar), be sure to activate the checkbox ‘Get position from audio driver’.
Note
: Since Vista the audio application can no longer control the sample rate under WDM.
Therefore the driver of the Fireface UFX II includes a way to set the sample rate globally for all
WDM devices within the Settings dialog, see chapter 7.1.