M-Audio Audiosport Quattro Mac Bedienungsanleitung

Audiosport Quattro Mac

Users Guide

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Quattro Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

What’s in the Box? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Minimum System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Quattro Front Panel: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Quattro Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Hardware & Software Installation on the Mac . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Configuring OMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Hooking up your AudioSport Quattro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

The Quattro and the Macintosh Sound Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

ASIO Operation on the Macintosh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

ASIO Control Panel and Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Using the Input and Output Level Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Using Direct Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

MIDI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Optimizing Your System for Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Technical Specs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Limited Lifetime Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

QuattroMac-072601

Introduction

Thank you for purchasing the AudioSport Quattro USB Audio Interface,

designed and manufactured by M Audio. The Quattro provides four audio inputs

and four audio outputs, plus a 1x1 MIDI port on your USB equipped Macintosh

computer. High performance, 24-bit/96kHz audio is now possible in a compact,

portable package. All audio inputs and outputs are switchable between balanced

(+4dBu) and unbalanced (-10dBV) operation to accommodate any audio need.

The USB port is a convenient, high-speed connection that requires no tools to

install, with no need to open or reconfigure your computer. By following the

instructions in this manual, you will be up and running in no time.

Quattro Features

• Four (4) analog audio inputs on 1/4” TRS jacks.

• High performance, 24-bit/96kHz A/D and D/A converters, with

101dB dynamic range on input and 104dB on output.

• Input Level switch for +4/-10 input line level settings (one for each

stereo pair, 1/2 & 3/4).

• Output Level switch for +4/-10 output line level settings (one for

each stereo pair, 1/2 & 3/4).

• Direct Monitor switch for computer bypass monitoring option (one

for each stereo pair, 1/2 & 3/4).

• One (1) MIDI Input and one (1) MIDI Output on front panel.

• Expansion jack for connection to the Omni I/O Desktop System by

M Audio.

What’s in the Box?

Your Quattro USB Audio Interface box contains:

•This manual.

•The Quattro USB Audio Interface.

•One (1) USB cable.

•One (1) 9vAC 1,000mA wall-wart power supply.

•One (1) driver disk containing additional software.

Minimum System Requirements

Mac

•Mac OS 9.1 minimum

•Mac G3 with onboard USB

•128 MB RAM for 96kHz operation, 64MB for 48kHz or less.

•Opcode’s OMS required for MIDI operation

Quattro Front Panel:

1. 1/2 “Input Level”switch: In the ‘out’position, the Quattro Inputs 1 & 2 are

set to -10dBV line level operation. Pressing in and engaging this switch sets

the these inputs to +4dBu line level.

2. 1/2 “Output Level”switch: In the ‘out’position, the Quattro Outputs 1 & 2

are set to -10dBV line level operation. Pressing in and engaging this switch

sets these outputs to +4dBu line level.

3. 1/2 “Direct Monitor”switch: In the ‘out’position, Quattro Inputs 1 & 2 are

routed to the computer for monitoring. Pressing in and engaging this switch

connects Inputs 1/2 to the Quattro Outputs 1/2.

4. 3/4 “Input Level”switch: In the ‘out’position, the Quattro Inputs 3 & 4 are

set to -10dBV line level operation. Pressing in and engaging this switch sets

the these inputs to +4dBu line level.

5. 3/4 “Output Level”switch: In the ‘out’position, the Quattro Outputs 3 & 4

are set to -10dBV line level operation. Pressing in and engaging this switch

sets these outputs to +4dBu line level.

6. 3/4 “Direct Monitor”switch: In the ‘out’position, Quattro Inputs 1 & 2 are

routed to the computer for monitoring. Pressing in and engaging this switch

connects Inputs 1/2 to the Quattro Outputs 1/2.

7. “MIDI In”port: This MIDI jack provides MIDI input to your computer.

8. “MIDI Out”port: This port provides MIDI Output from your computer.

9. Power switch and LED: Pressing in and engaging this switch will power on the

Quattro and light the corresponding LED.

235678

Quattro Rear Panel:

1. “9VAC”power jack: This jack accepts the wall-wart power supply that came

with the unit. Only the proper power-rated supply should be used.

2. “To Omni I/O”connector: This 15-pin DB connector accepts the female end

of the Omni I/O connection cable (supplied with the Omni I/O).

3. USB jack: This jack accepts the device-end of a standard USB cable.

4. Audio “In 4”through “In 1”: These 1/4”jacks accept either TRS or TS 1/4”

plugs. These are line level inputs, and generally will be connected to the

outputs of a line level instrument or preamp.

5. Audio “Out 4”through “Out 1”: These 1/4”jacks accept either TRS or TS

1/4”plugs. These are line level outputs, and generally will be connected to a

mixer, power amp, powered speakers, or a sound system.

Quattro Quick Start

It is recommended that you read this manual fully before installing and using

your AudioSport Quattro. This Quick Start guide may serve as an overview to

the steps ahead.

1. Plug the Quattro wall-wart into your wall receptacle and to the Quattro 9vAC

power jack.

2. Connect the USB cable to your computer and the Quattro. Install OMS, then

run the AudioSport Installer program supplied on the driver disk (for MIDI,

you will need to configure OMS). If you have a music program that is ASIO

compliant, drag the Quattro’s ASIO driver to the music program’s ASIO

folder. Power down the computer. Power up the Quattro, then power up the

computer.

3. With all audio levels turned down, connect your instruments to the Quattro

audio inputs, and connect the Quattro’s audio outputs to a mixer or

monitoring system.

4. Configure your music software and start recording.

Theory of Operation

The USB port provides a high-speed connection to your computer. Devices can

be “hot-plugged”into the USB port with no need to power down the computer.

Additionally, there’s no need to open the computer, no tools are required, nor is

it necessary to configure the device other than plugging it in to the USB port and

installing the drivers.

The AudioSport Quattro utilizes the convenience of your computer’s USB port

to bring high quality, high resolution audio to your desktop or laptop computer.

In theory, multiple devices can be connected to the USB port (with the addition of a

USB hub). The AudioSport Quattro requires all of the bandwidth that is available on

the USB port, and therefore it is required that you plug the Quattro directly into your

computer’s USB port, and not into a USB hub with other USB devices. Of course, if

you are using a USB keyboard and mouse, you may have those plugged into your

computer’s other USB port (two are usually supplied).

Your AudioSport Quattro USB Audio Interface is a 96kHz/24-bit capable device.

That means that you can record at any sampling rate that your recording software

will allow, up to 96kHz at a bit width of 24-bits, and at 16- or 24-bits at a sampling

rate of 48kHz or less.AnASIO control panel is included with your driver software,

which allows you to set the Quattro to its several operating modes.

The Quattro provides four audio inputs as two stereo pairs, i.e. 1/2 and 3/4, and

four audio outputs, also as stereo pairs 1/2 and 3/4, The Quattro adds 1x1 MIDI

operation (one input and one output port) to your USB equipped Macintosh,

which can be used as your only MIDI interface or in conjunction with additional

MIDI devices. Note that Opcode’s OMS, or “Open Music System”MIDI

manager program is required for MIDI operation on the Mac, and must be

installed prior to installing the Quattro drivers.

When all four input and output stereo pairs (two input pairs and two output pairs)

are enabled, the Quattro will operate in 16-bit mode at either the 44.1k or 48k

sampling rates. With three stereo pairs enabled, i.e., either one input and two

output pairs or two input and one output pair, the Quattro will operate at 48kHz

sampling rate or lower, and at either 24- or 16-bit. When one stereo pair is

enabled and in 24-bit mode, the Quattro will operate at the 96kHz sampling rate

or lower. This is explained more fully in the section, “ASIO Control Panel

Operating Modes.”

The AudioSport can be configured for +4 or -10 line level operation simply by

pressing a button on the front panel. This allows for seamless integration into the

studio, compatible with professional balanced (balanced TRS, +4dBu) or

semi-pro (unbalanced TS, -10dBV) audio devices (see section, “Using the Input

and Output Level Switches”).

The AudioSport Quattro can be used with the Sound Manager on the Macintosh,

and therefore can operate as your system sound card. ASIO drivers are also

provided, which allow you to use the AudioSport with ASIO compliant audio

software (such as Cubase by Steinberg). If your software is ASIO compliant, we

suggest using those drivers. ASIO will allow you to monitor audio through the

program with greatly reduced latency. However, if you are not using ASIO or

otherwise wish to monitor the signal at the Quattro inputs, a “Direct Monitor”

switch is provided on the AudioSport for bypassing the computer and directly

monitoring the input signal present at the AudioSport Quattro (see section,

“Using Direct Monitoring).

Additionally, the AudioSport Quattro can be used in conjunction with the Omni

I/O Desktop Recording System by M-Audio. The Omni will add two

microphone/instrument preamps to the Quattro inputs, plus add a mixer to the

Quattro outputs. This Omni mixer will allow you to blend MIDI keyboards with

audio tracks, add effects to the Quattro outputs, control monitor and headphone

levels while separately mixing down. Check the M-Audio website,

www.m-audio.com, for more info on the Omni for the Quattro.

Hardware & Software Installation on the Mac

Here is a simple, step-by-step procedure for attaching and powering up the

Quattro on the Macintosh Computer. Just in case there are any installation

updates since this writing, please check the driver disk that came with your

Quattro for a readme file regarding installation.

The Quattro’s MIDI operation on the Macintosh requires the OMS (Open Music

System) program from Opcode. If your Quattro came with a CD, OMS is

included on this disk. If your Quattro came with a floppy disk, you will need to

go to either our website (http://www.midiman.com/drivers.htm, find the MacOS

9.x section, then OMS) or Opcode’s website (www.opcode.com) to download

OMS. The OMS program is a MIDI manager, which MUST be installed prior to

running the AudioSport Quattro Installer in order for the Quattro MIDI driver to

be properly placed in the OMS folder. See the next section, “Configuring OMS”

for more information.

The AudioSport Quattro comes with an installer program that will place all

driver components except the Quattro ASIO driver in their proper folders. The

Quattro ASIO driver will be placed in a folder on your desktop, and must be

inserted into your music program’s ASIO folder, provided that your music

program uses ASIO.

1. On the Driver Disk that came with your AudioSport Quattro, locate the folder

that contains the AudioSport Installer for the Macintosh. Double click on the

installer program. The Installer program installs all Quattro extensions, plus

creates an “AudioSport QUATTRO Asio”folder on your desktop, containing

the Quattro’s ASIO driver.

2. If you are using a music software program that utilizes ASIO drivers, then

locate the program’s ASIO folder (it will be found within the program’s folder

on your Macintosh HD). Drag the AudioSport ASIO driver (located in the

“AudioSport QUATTRO Asio”folder created by the Installer) to that folder.

3. Properly shut down the computer.

4. Plug the Quattro wall-wart into your wall receptacle and to the Quattro 9vAC

power jack.

5. Connect the USB cable to your computer and the Quattro. Power up the

Quattro, then power up the computer.

For information on how to enable the Sound Manager to use the Quattro, see the

section “The Quattro and the Macintosh Sound Manager”). For further

information on using and configuring ASIO drivers, see the section “ASIO

Operation on the Mac.”

Configuring OMS

Go to the Control Panel or Chooser under theApple Menu, and make sure AppleTalk

is turned off (this is recommended, although OMS will sense that it is on and prompt

you to turn it off). If you are installing your QUATTRO driver and configuring OMS

for the first time, follow these instructions to configure OMS.

First Time OMS Configuration Instructions:

1. In the Opcode folder, which you will find on your hard drive, locate the OMS

Applications folder, then OMS Setup. Double-click on OMS Setup.

2. OMS will inform you that it has not yet been configured. Click OK.

3. The “Create A New Studio Setup”dialog box now appears. Click OK.

4. The “OMS Driver Search”box asks you to choose the port on which you’ve

attached the QUATTRO (either Modem or Printer). DO NOT choose a port,

just click “Search.”OMS begins Searching. IMPORTANT: If the USB cable is

not correctly hooked up to the QUATTRO, setup will fail.

5. “OMS Driver Setup”shows the QUATTRO in a list when OMS successfully

finds the driver. Click OK. OMS will now define (shows “Identifying”) the

QUATTRO output port.

6. The “OMS MIDI Device Setup”dialog box will appear showing the

QUATTRO’s available output port with an open check box to the left of the

port. You will have to check this open box at this time to enable the output

port. Now click on OK.

7. Next, the “My Studio Setup”appears with a file save dialog box over it. You

will now need to name and save your new Studio Setup (or use the default

name) before you can assign various instruments to the QUATTRO’s output

and input. Assign your instrument (optional) and you are done.

8. Your QUATTRO is ready for use with MIDI.

You can run the OMS ‘Test Studio’utility by going to the ‘Studio’menu and

releasing the mouse on “Test Studio”. Playing a note on your keyboard will give

you an audio message from your computer, “MIDI received,”while the arrow

pointing to the keyboard icon flashes. Clicking on a keyboard icon with the

mouse pointer will send a tone cluster to the QUATTRO MIDI output port. The

LED will light, and your sound module should play the chord.

You may now exit OMS Setup by quitting the application. The rest is up to

configuration within your music software. Generally, this means selecting “OMS

Compatibility,”or “Open Music System”for your MIDI system setup.

Hooking up your AudioSport Quattro

The Quattro provides four line inputs and four line outputs, and will accept a

+4dB balanced signal on 1/4”TRS plugs (tip-ring-sleeve), or a -10dB

unbalanced signal on 1/4”TS plugs (tip-sleeve). Each 1/4”jack will accept either

TRS or TS plugs.

You may connect the output of a line level instrument such as an electronic

keyboard or instrument preamp, the output of a microphone preamp (a mic

preamp is required for use with a microphone), or the output of a CD player or

similar line-level device. Check your device’s documentation for information on

its operating line level (+4 balanced or -10 unbalanced), and see the section,

“Using the Input Level and Output Level Switches”in this manual.

You may connect the four outputs of theAudioSport Quattro to a mixing console,

or use two of the outputs for a stereo send to a monitoring system (power amp

and speakers, or a home stereo), powered speakers, or a headphone amplifier.

Again, check your device’s documentation for information on its operating line

level, and see the section, “Using the Input and Output Level Switches.”

The diagrams below illustrate those scenarios. Typical Setup #1 shows the

AudioSport Quattro with a mic/instrument preamp plugged into Inputs 1/2 (we

suggest the DMP3 Preamp by M Audio), and a MIDI sound module’s audio

outputs plugged into Inputs 3/4. The four outputs of the Quattro are plugged into

a mixing board. Typical Setup #2 shows a CD player plugged into Inputs 1/2, and

Outputs 1/2 plugged into a monitoring system.

The Quattro and the Macintosh Sound

Manager

The Macintosh Sound Manager will allow you to select the AudioSport Quattro

as the system’s audio input and output device. However, if you are using the

Quattro ASIO driver, you should leave the Sound control panel set to “built-in.”

Open the Apple menu, then select “Sound”from the Control Panels list. The

Macintosh Sound Manager is limited to stereo input and stereo output, so only

Channels 1 and 2 are active on the Quattro under Sound Manager. The Quattro

will operate at 44.1kHz sampling rate at the 16-bit setting in this instance.

At this point in time, most music programs designed for the Mac utilize ASIO

drivers. If you decide to switch the Sound Manager to operate with the Quattro,

be sure and set it back to “built-in”before launching your music program.

MIDI

Sound

Module

ASIO Operation on the Macintosh

If your Macintosh music program isASIO compliant, you may install and use the

AudioSportASIO driver with your Quattro. Open your Macintosh HD folder and

locate your music program. Within the program’s folder you should find anASIO

folder. Drag the AudioSport Quattro ASIO driver to this folder.

Once the ASIO driver is installed, you may open your music program and go to

the audio setup page. The AudioSport Quattro ASIO driver will show up in the

program’s ASIO Driver list, allowing you to select it at this time if it is not

already selected by default.

If you are using an ASIO compliant music program, we suggest that you enable

and use the Quattro’s ASIO drivers. ASIO gives you the advantage of being able

to monitor your source through the program, similar to monitoring the record

inputs of a tape machine.

ASIO Control Panel and Operating Modes

Once the AudioSport Quattro ASIO driver is selected in your music program’s

audio setup page, you may launch the Quattro’s ASIO control panel. Within the

audio setup page you will find a button that allows you to launch the ASIO

device’s control panel. Clicking this button will launch the QuattroASIO Control

Panel and allow you to access the AudioSport Quattro Settings.

The AudioSport Quattro Settings page shows you the M Audio and the Quattro

logo. In the bottom left-hand corner you will see a readout of the ASIO driver,

USB driver, and the Firmware currently in use. You will also see a checkbox that

reads “Support Legacy ASIO Hosts.”If your music program does not use ASIO

version 2, you should click on this box to check and enable Legacy ASIO

support.

Below is a screenshot of the Quattro settings panel with all four input and output

channels activated. There are two columns, one labeled “Active Channels”and

the other labeled “Sample Depth.”Settings in these two columns interact with

each other. With all four input and output channels activated, you will notice that

the 24-bit setting in the Sample Depth column is grayed out, and the “Maximum

sample rate”reads out at 48000 Hz.

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