VST OneTrack Spezifikationen PDF herunterladen (Seite 373)

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About Audio Buffers and Buffer Size

When Cubase VST receives or sends out data to an audio card, it passes via a

buffer, a temporary storage area. Furthermore, to be able to send data continuously,

just having one buffer isn’t enough; you need several buffers that the system can

switch between.

Having many and large buffers ensures that playback will occur without glitches.

However, the time between the moment Cubase VST sends out the data and when it

actually arrives on the output (the “latency” - see page 364) will be longer. This

means that it will take longer for changes that you make – for example in the Mon-

itor window – to take effect. Also, the larger the latency, the longer the monitoring

(sound input to output) delay.

You can adjust the number of buffers and buffer sizes, if required. The following

guidelines apply:

• You can set the number of buffers directly in the Port lists, but we recom-

mend that you do this in the “Check Buffers and Sync” dialog.

This allows you to try out different settings before applying them, as described

on page 377.

• If you are using the “DMA Block” Sync Reference method, you should set

the Buffer Sizes with the “Detect Buffer Size” function (see page 374).

• If you are using the “Sample Position” Sync Reference method, you are

free to

change the Buffer Size value directly in the list if necessary, but

again, we recommend that you do this in the “Check Buffers and Sync”

dialog instead (see page 377).

• There are different Buffer Size settings for different sample rates.

Use the Sample Rate pop-up at the top of the dialog to select a sample rate to

make settings for (see page 371).

Port Order buttons

These buttons are used to move the selected Port up or down in the Port list. The or-

der of the Ports in the list is very important, since the ﬁrst activated Port from the

top of the list will be used as Sync Reference as described above.

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