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Card Options
This pop-up menu contains four additional settings:
About the “Use 16-Bit only” option
This option determines the sample bit resolution used when VST is communicating
with the audio hardware. If the option is activated, all audio devices are opened
with a sample width of 16 bits. If the option is deactivated, all audio devices are
opened with their respective highest supported sample width. This makes it possi-
ble to use a 16-Bit device together with a 24-Bit device, for example.
Generally, we recommend that you keep this option deactivated, except:
• If you specifically want to make sure that only 16-Bit resolution is used.
• If you experience loss of performance with the switch deactivated (this may
be the case if your audio hardware is on an ISA-bus).
Full duplex When this switch is activated, Cubase VST will play back audio
Tracks while recording new ones. It is of course a great benefit
to have this ability, since it allows you to hear previously re-
corded audio Tracks whilst recording overdubs.
However, not all audio cards support this feature. Activate this
switch if:
• You know you have a card that supports this feature.
• You use two separate cards for recording and playback. (Not
recommended, unless the cards are tied together with a word
clock sync signal. Otherwise, the sample rate clocks in the
two cards will always drift slightly against each other, which
can cause glitches and dropouts in the audio.)
Start Input First If your card does not seem to work correctly with Full Duplex
activated, you should try this option which starts the Input on
the card before the Output.
Open All Devices
Before Start
This is only for multi-channel cards. It determines how the card
is initialized. If the card works with this option activated, this is
preferred, because all ports will then be in absolute sync. Only
if you have problems with the card should you deactivate this
option.
Use 16-Bit only This is described below.
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