So using a smaller audio buffer size gives you a lower latency, but then make sure your CPU can handle it, otherwise clicks may appear in your audio because the CPU can't process it all quick enough. But at the same a bigger audio buffer size also causes a higher latency, that is the time between pressing a MIDI note or clicking play and the moment that the audio effectively comes out of the speakers. General note about choosing the best audio buffer size: The bigger the audio buffer size, the lower the chance you will hear unexpected clicks in the audio when using a lot of processing power. If Asio4All isn't working for you, then select Driver Type = MME Audio, Driver Name = Sound Mapper. Please note that Asio4All is not a MuTools product, if you need support on Asio4All please go to the Asio4All website. If no such driver exists then you could try Asio4All. On Windows best of all use the specific ASIO driver that comes with your sound device.

On MacOS, this is via a Core Audio device driver, on Windows this is via an ASIO or MME device driver. The Audio Setup dialog panel allows you to setup the connection to the audio device.

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