M-Audio Omni I/O User Manual download pdf (Page 5)

I/O Setup Primer 1

I/O Setup Primer

This I/O Setup Primer is designed to help you un-

derstand how to configure and use I/O Setup for

your Pro Tools system. Whether you are new to

Pro Tools or a long-time Pro Tools user, read

through this document to gain a clear under-

standing of I/O Setup and related session inter-

change issues.

Changes to I/O Setup in

Pro Tools 8.1

In Pro Tools 8.1, changes to the I/O Setup have

been made in order to solve session interchange

issues (such as maintaining studio settings on

different Pro Tools systems) and to provide bet-

ter overall workflows for session interchange. In

lower versions of Pro Tools, I/O settings are re-

called from the Pro Tools session document, so

studio settings corresponding to your hardware

could potentially change each time a session is

opened. This can result in a temporary loss of

monitor paths. In Pro Tools 8.1, I/O settings can

be recalled from the system. This means that

your studio settings can be maintained when

opening sessions created on other Pro Tools sys-

tems.

Busses

Pro Tools 8.1 provides two types of busses:

• Internal Mix Busses

• Mapped Output Busses

Internal Mix Busses

Internal mix busses in Pro Tools 8.1 are the same

as those in lower versions of Pro Tools. Use in-

ternal mix busses to route audio signal from

track outputs and sends to other track inputs.

Common uses for internal mix busses include

effects sends and returns (such as bussing sends

from audio tracks to an Auxiliary Input track for

plug-in effects processing) and bus recording.

Mapped Output Busses

Output busses route audio from track outputs

and sends to output paths that are routed to

physical outputs on your audio interfaces. Any

available bus can be mapped to any of the avail-

able output paths of the same channel width.

If you are updating your version of Pro Tools

to version 8.1, review this section to under-

stand what has changed in I/O Setup. If you

are new to Pro Tools, you might want to

skip ahead to “Configuring I/O Setup” on

page 3.

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