M-Audio 37-Key Audio/MIDI Interface and Controller Ozonic Manual de usuario descargar pdf (Pagina 2)

APPENDIX 4

Digi 001

The Digi 001 system includes a PCI card that you install in your computer; an

I/O interface with a range of input and output connectors; and the Pro Tools

LE software. The PCI card has a connector to link to the Digi 001 interface and

also has a pair of ADAT optical connectors for multi-channel digital input and

output (I/O). Each optical connector can carry eight channels of 24-bit digital

audio or can be switched using the software for use as an additional two-

channel S/PDIF interface.

The I/O interface provides eight analogue audio inputs and outputs with

24-bit converters, S/PDIF digital audio input and output, a stereo headphone

jack socket, a footswitch jack socket and a pair of MIDI In and Out sockets. The

total number of audio inputs and outputs is 18 – counting the eight ADAT digital

channels, the two S/PDIF digital channels, and the eight analogue channels.

The MIDI in and out connectors let you use the Digi 001 as a basic 16-channel

MIDI interface for Mac or PC. The headphone jack socket lets you connect a

pair of stereo headphones to monitor whatever audio you have routed to

analogue outputs 1 and 2 using the PT LE software. The footswitch jack lets

you connect a footswitch to control the QuickPunch and MIDI punch-in and

punch-out recording features.

The 001’s microphone pre-amps will accept a wide range of microphone

types, including high-quality ‘condenser’ models that require ‘phantom’ power.

Dynamic microphones (such as the popular Shure SM58) don’t need power,

but professional studio models (such as the AKG C414) need 48 volts that the

pre-ampli er can send via the microphone cables into the microphone, rather

than via separate power cables – hence the name ‘phantom’ power.

Figure A4.2

Digi 001 front panel.

The pair of analogue audio inputs provided on the front panel of the interface

can accept either Mic-level or Line-level signals. The input sockets are

combined XLR and 1/4” jack types, so you can plug either of these commonly

used connectors into the Digi 001. The ‘pad’ switches provided for each input

reduce the input sensitivity by 26 dB when you want to use line-level signals

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M-Audio 37-Key Audio/MIDI Interface and Controller Ozonic Manual de usuario Pagina 2