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Prism Sound Atlas
2
Introduction to Atlas
Atlas is a USB multi-channel audio interface for Windows PC and Mac. As well as eight analogue line
inputs and outputs, Atlas provides eight high-quality microphone preamplifiers and a MIDI interface as
well as a host of advanced synchronization and monitoring facilities.
Atlas is intended to provide 'studio in a box' functionality for the digital audio workstation (DAW) user.
That's not so unusual - there are many other interfaces on the market which provide similar
functionality. However, Atlas is unique among them in providing Prism Sound's unique pedigree of
conversion, analogue, clocking and signal processing to the DAW user in an integrated package, with
the plug-and-play convenience of an ordinary USB sound card.
For a more detailed summary of Atlas's features, continue to the
For directions for getting started quickly, see the
For detailed hardware and software installation procedures, see the
For full details of the hardware controls and connections, as well as a block diagram, look at the
Hardware
section.
To learn about the control software, see the
2.1
Features
Atlas provides eight line input channels and eight line output channels, which can be operated in
balanced or unbalanced mode, and each of which can be used with professional ('+4dBu') or
consumer ('-10dBV') signal levels. All eight input channels have selectable microphone preamplifiers,
and two of these also have high-impedance, unbalanced instrument input jacks. 24-bit conversion is
used throughout, and sample rates up to 192kHz are supported.
Stereo digital I/O is provided in both S/PDIF and optical (TOSLINK) formats. The S/PDIF input can
also accept professional AES3 signals, and the S/PDIF output can be switched to AES3 mode if
required. The optical connectors can alternatively carry eight channels of ADAT I/O at 44.1k or 48kHz
sample rates, or four channels at 88.2kHz or 96kHz. A high-quality sample-rate converter can be
assigned to the S/PDIF input or output if required.
Atlas has a dedicated stereo analogue headphone output, with two stereo headphone jacks, each
with its own level control. MIDI input and output are also provided.
Atlas incorporates the new Prism Sound MDIO (multi-channel digital IO) expansion slot, which allows
additional and future host interface formats to be accommodated.
Under Windows, Atlas can be accessed by any software applications with WDM (Windows) or ASIO
capability. Under Apple OS X, Atlas appears as a Core Audio device.
To deal with low-latency requirements in live sound and over-dubbing, Atlas has its own fully-featured
© 2014 Prism Media Products Ltd
Operation Manual
Features
Quick start
guides.
Atlas Control Panel
section.
Revision 1.00
section.
Installation
procedures.
1.6
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