Specifications

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Sync Reference pop-up

This setting is used to select a method of “synchronizing” the MIDI playback to the

audio. There are two different methods:

• Sample Position

This is the preferred setting if your card supports it. In this mode the number

of samples played are reported from the card to Cubase VST and this number

is used for synchronizing the MIDI playback. This is equivalent to synchroniz-

ing to a sample accurate external clock.

Unfortunately, not all audio cards support this method. If the documentation

for your audio card is unclear on this point, try selecting Sample Position as

sync reference method, and use the Check Buffers and Sync method to deter-

mine whether it works properly (see page 377).

• DMA Blocks

This should only be used as a last resort. In this mode, the reference between

audio and MIDI is determined by the rate at which the data blocks are being

transferred by Direct Memory Access (DMA) to the audio card during record-

ing and playback (yes, this is a heavy technical explanation, but this is a very

technical issue!).

For this mode to work properly, the Audio Buffers setting must be in accord-

ance with the real blocksize used in the system. Use the Detect Buffer Size

function to achieve this (see page 376).

On the pop-up menu, you will ﬁnd four options:

Sample Position

Output

Selects the uppermost Port that is activated on the Output Port

list for Sync Reference, using the Sample Position method.

DMA Block