MOTU MIDI Express 128 User Manual

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CLOCKWORKS

THE MUTINGS TAB

The Mutings tab is a sophisticated MIDI data ﬁlter that

controls what types of data will be sent and received by

each MIDI OUT and MIDI IN cable. You can ﬁlter out any

type of MIDI data on any channel on any cable. In

addition, each MIDI channel can have its own unique

muting setup. The Mutings tab shows the muting status for

each type of data on all MIDI channels and all cables at

once, giving you immediate feedback on the state of your

interface.

Muting basics

A simple way to think of data muting is this: imagine that

each MIDI IN or MIDI OUT cable on your MOTU

interface has a ﬁlter just inside the socket. A MIDI data

stream enters the ﬁlter and then continues on past the ﬁlter

with certain types of data removed. The ﬁlter has simply

“swallowed” the data types that are being muted.

On a MIDI IN cable, data is muted before it enters the

interface. On a MIDI OUT cable, data gets muted just

before it gets transmitted out of the interface.

Figure 5-5: The Mutings tab.

☛ When data is muted on a MIDI IN port, the light on

the front panel still blinks when the data is received on the

port. Don’t be concerned. The light blinks to let you know

that the interface is indeed receiving the data on that port.

However, the data does get muted. (On output, however,

since muted data doesn’t actually get sent, the light does

not blink.)

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MOTU MIDI Express 128 MIDI Interface