M-Audio Omni I/O User's Guide

Table of ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1. Theory

5.8 Stereo Input and Insert Cables/ConnectionsA 1/4” TRS plug can alternately carry an unbalanced stereo audio signal over atwo-conductor cable with a

6. Basic Playback Setup for the Omni I/OThis section will get you setup for playback and monitoring, as well as formixing down when your project is co

NOTE: The Aux Ins add some gain to the signal into the Omni mixerso that the aux levels blend more easily with the audio trackscoming from your comput

8. Set the audio track’s output ports to Delta Wav Outs 1/2 or 3/4, or DeltaASIO Outs 1-4 if using the Delta ASIO drivers. 9. Open the Delta Control

7. Basic Recording Setup for the Omni I/ONow that you’re setup for playback, setting up for recording is the next logicalstep. The recording setup is

3. “Line Inputs 3 & 4,” located on the Omni back panel, can be used foradditional instruments that are already at line level. Many electronicinst

8. Omni Signal Flow ChartThe flowchart that sits atop the Omni I/O gives you an overview of what isconnected to what, and what goes to where on the Om

The Omni I/O contains a mixer for monitoring the analog outputs of the Delta44 or 66, four stereo auxiliary inputs, and a stereo effects return. These

to get you up and running. We also assume that you have installed a MIDIinterface into your computer, and that this basic MIDI setup has already beene

10. Recording Audio to the Delta 44 or 66Take some time to read the Delta manual that came with your Delta card.Recording audio tracks requires a prop

IntroductionCongratulations on your purchase of the Omni I/O Integrated Desktop AudioStation, designed and manufactured by M Audio. The Omni I/O is a

1. Launch your music software, then select a track for recording.2. Choose the proper Delta input as the source for that track.3. Enable the track for

Using this setup, you will be able to record from the Omni Mic/Instr inputs,monitoring the H/W inputs while you record, and then monitor the tracks on

then this signal will appear on the Omni mixer channels 1 & 2 as well as mixerchannels 3 & 4. Generally, this is not a desirable scenario, and

3. Start to raise the Omni gain control while testing your microphone or guitar.If you are using an instrument with volume controls, start with it on

1/4” TRS connection. This now processed signal is what is sent to the DeltaH/W Ins, which are the record inputs to the Delta card.This type of inserti

Therefore, the volume level on each individual audio track recorded in yourmusic software will control the playback level that enters the Omni mixer.

1. Next to Aux In 1 is a switch labeled “To Ins 1, 2.” Pressing in and engagingthis switch, will a) take the signal present at the Aux In1 out of the

You can still mix through the Omni, adding effects using the Channel 1-4 EffectsSend, and also using the Direct Outs. We will describe using the Direc

12. Alternate Omni SetupsThese are some advanced techniques. Once you master the Omni basics, youmay want to try some of these variations.12.1 Recordi

1 & 2, by plugging in only to the insert in (the red, or right side of the insert cable). This willbreak the signal flow of the pre-amps to the in

control room outputs and two headphone outputs, all with independent levelcontrols. A separate “mix” out provides an independent feed to your mixdownd

Limited Lifetime WarrantyM Audio warrants that this product is free of defects in materials and workmanship undernormal use so long as the product is:

3. What’s In the BoxContained within your Omni I/O package, you will find:This manualThe Omni I/OA 9v AC 500 mA “wall wart” power supply4. Front, Rear

4. Gain Controls: The position of these rotary gain controls will determine theamount of microphone or instrument pre-amp gain being applied to theOmn

4.2 Rear Panel1. 9v AC Power Jack: This jack accepts a 2.5mm plug from a 9vAC, 500 mApower supply, included with the Omni. Use only the proper, AC pow

9. “To Ins 3, 4” Switch: This switch, when pressed and locked to the in position,will send the stereo signal that is present at the Aux In 2 jack to t

stereo) plug on the 1/4” jacks of the Omni (that are designed for unbal/balancedoperation) will give you this balanced line—tip positive, ring negativ

Sends and returns are generally spoken of in terms of the gear that is receivingthe signal. The “effects send,” therefore, is an output from the mixer