X4

260 Settings for and management of video projectors
Program settings
All basic settings for MAGIX Video Pro X4 are made in this
window. This allows you to influence the settings in MAGIX
Video Pro X4 in detail.
Keyboard shortcut: Y
Playback
Audio playback
Driver selection: Select whether the Windows wave driver or the DirectSound
driver should be used for audio output.
 DirectSound is a component of DirectX and, if necessary, is installed together
with MAGIX Video Pro X4. DirectSound has the advantage that the sound
output (for all modern sound cards or onboard soundchips) can also be used
by other programs open simultaneously.
 Wave drivers are recommended during high PC loads which they can handle
better due to their higher buffer load peaks (which usually result in artifacts).
Output device: Use this option to specify which sound card plays the wave
audio objects. This is especially important if you have multiple sound cards
installed on your computer, e.g. "onboard sound" as well as an additional
sound card.
Audio buffer: To ensure smooth playback of a complex arrangements MAGIX
Video Pro X4 creates a data buffer where the currently used data segments are
stored. Therefore it is not the entire arrangement that is preprocessed; far
more, processing occurs step-by-step.
Bu
ffer count: Here you can determine how many buffers should be used. More
buffers increase reliability, for judder-free arrangement playback, but this also
increases the memory requirements. When played via DirectSound, only one
buffer is used automatically.
Rule of thumb: If loading times are long, you should reduce buffer size and
number, while in case of dropouts or problematic realtime effect calculations,
the buffer should be increased. Since error-free playback is usually more
important than fast reaction times, the buffer size should be raised to 16384 or
32768 for drop-outs. The possible number of used buffer updates is between
2 and 10.
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