The buffer block size in Logic operates differently from other hosts. Whereas other hosts allow for control of the block size over a wider range of values, Logic does not, which limits the minimum latency that can be achieved to 1032 samples (this is achieved when the Process Buffer Range is set to Small in Logic’s Audio Preferences).
The exact number of samples of buffer is determined by whichever is the highest out of the following calculations:
- (Logic i/o buffer size x 2) + 8 samples.
- Process buffer range size (Small = 1032, Medium = 2056, Large = 4104).
- Minimum Latency setting in Liquid Mix Manager.
It is worth bearing in mind that the Liquid Mix has been designed first and foremost as a mixing device, rather than a tracking device. The latency is a price paid for the round trip journey over the FireWire bus, as well as for the complexity of the dynamic convolution. For a mixing device, this is an appropriate compromise. However, for tracking, the Liquid Mix may not be suitable in all cases.