New info, with virtual instruments only everything works good. We can use 4 or 5 virtual instruments with 32 samples of latency, and it works without any problems, Superior Drummer 2, Trilian, one or two Kontakt library, and EZ Keys. This is the limit because all sample banks are located on external 5400 RPM disk connected to USB 3.0, which is slower than internal WD Black at 720 RPM for example.
But, the problem is with streaming audio files, no matter the location, external 5400 RPM disk or SSD drive. Transport Bar is glowing red when crackling is happening, so I suppose it has to do with slow disk streaming, but again, 3 or 4 mono audio files at 44.1 khz and 16 bit, it can be streamed from USB 2.0 without problems.
Is there any settings for SSD in High Sierra that we are no aware of?
Technically, sample based virtual instruments are also audio files, just with most of the sampled data loaded in to RAM, but still there is no sense they work well while audio tracks crackle.
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