M-Audio DiO-2448 Spécifications télécharger pdf (Page 3)

About the DiO 2448

The DiO 2448 inputs and outputs support digital audio streams as wide as

24 bits, the highest resolution available at this time of printing. At sample

rates of up to 48kHz, the DiO 2448 S/PDIF inputs may record a digital signal

from your DAT, MiniDisc, CD player, or external A/D converter. The

DiO 2448 S/PDIF and Analog outputs may be used to monitor the incoming

S/PDIF signal or to output digital audio from your software applications.

Below is a simplified block diagram of the DiO 2448. Please reference this

diagram while reading the remainder of this section.

Basically, the DiO 2448 appears to your software as a stereo-input, stereo-

output (2x2) audio card. There are three inputs to the card that may be

recorded: Optical S/PDIF, Coaxial S/PDIF and internal CD-ROM S/PDIF.

As you can see from the DiO 2448 block diagram the Optical and Coaxial

S/PDIF streams are merged into one audio stream. This is not a true digital

mixer, but instead a non-intelligent merger that combines the raw data

streams. Therefore, only one of these jacks should be connected to an active

signal at a time. Note also the CD-ROM S/PDIF header is wired directly to

the Coaxial S/PDIF jack. In most cases, utilizing the internal CD-ROM

S/PDIF header will prevent you from using the Optical and Coaxial S/PDIF

inputs. Therefore, this header is primarily for using your DiO 2448 and

computer as a “dedicated CD-ROM recording station” and not for recording

from external S/PDIF devices.

S/PDIF-In

Format

Monitor

S/PDIF-In

Analog-Out

Software

WAV

Recording

Software

WAV

Playback

Analog

Inputs

Optical

Coax

S/PDIF

Outputs:

Analog

Outputs

S/PDIF-Out

Source

Master

Volume

Optical

Coax

S/PDIF

Inputs:

Control Panel Options

WAV

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