Edirol UA-1X Mode D'emploi page 115

Noise is heard when playing back audio
fig.winmacac
• Noise is sometimes heard in the line input.
If a USB-compatible MIDI sound module and the UA-1X are connected via USB
to the same computer, and the outputs of the MIDI sound module are connected
to the line input jacks of the UA-1X, noise from your computer may be heard via
the MIDI sound module from the UA-1X, depending on the computer you are
using. If this occurs, you can either connect the MIDI sound module and the
UA-3D in parallel using a self-powered hub, or connect the MIDI sound module
via its serial or MIDI interface.
fig.winmacac
• This problem may be solved by properly grounding the chassis of your
computer, or the ground prong of the plug on the AC power cord that was
supplied with your computer. Also, make sure that there are no devices
nearby that emit a strong magnetic field, such as a television or a
microwave oven.
fig.winmacac
• Are a large number of audio devices connected?
If a large number of audio devices are connected, noise may occur. Do not
connect audio devices that you are not using.
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• If the sound is interrupted during audio playback, you may hear a soft
"pop" noise.
Also refer to the following section, "Sound is interrupted during audio
playback."
Sound is interrupted during audio playback
fig.winmacac
• Noise may be heard if you record and play back simultaneously.
If you record and play back simultaneously, the playback may be interrupted
depending on the performance of the system, and this may be heard as noise.
However since priority is given to recording, the recorded data will not be lost.
fig.win
• Graphic accelerators may cause noise to be heard during audio playback.
Use the following procedure to set graphic acceleration to "None."
* Some computers may not have all of the following settings.
1.
In the Windows Control Panel, double-click Display to open the Display
Properties dialog box, and click the Settings tab.
2.
Click Advanced to open properties, and click the Performance tab.
3.
In the Graphics section, set the Hardware acceleration slider to None,
and then click [OK].
4.
In the Display Properties dialog box, click [OK] to close the dialog box.
5.
Then restart your computer.
Troubleshooting
115