Copyright 2007 Digigram. All rights reserved.
No portion of this manual may be reproduced without prior written consent from Digigram. The copyright protection
claimed here includes photocopying, translation and/or reformatting of the information contained in this manual.
While every effort has been made to ensure accuracy, Digigram is not responsible for errors and omissions, and
reserves the right to make improvements or changes in the products and programs described without notice.
Digigram and the Digigram logo, VX1222e, and VX1221e are registered trademarks or trademarks of Digigram S.A.
Other trademarks are property of their respective holders.
This device complies with part
two conditions: (
must accept any interference received, including interference that may cause undesired
operation.
This equipment has been tested and found to comply with the limits for a CLASS B
digital device, pursuant to Part
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions contained in this data sheet, may
cause harmful interference to radio and television communications. However, there is
no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
* reorient or relocate the receiving antenna
* increase the separation between the equipment and the receiver
* connect the equipment into an outlet on a circuit different from that of the receiver
* consult the dealer or an experienced audio television technician.
Note:
Connecting this device to peripheral devices that do not comply with CLASS B requirements or using an unshielded peripheral data cable could also result in harmful interference to radio or television reception. The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. To ensure that the use of this product does not contribute to interference, it is necessary to use shielded I/O cables.
1) This device may not cause harmful interference, and (2) This device
Warning:
Electrostatic discharge (ESD) can damage several
components on the board. To avoid such damage in
handling the board, take the following precautions:
Bring the device and everything that contacts it to
ground potential by providing a conductive surface and
discharge paths. As a minimum, observe these
precautions:
• Disconnect all power and signal sources.
• Place the device on a grounded conductive work surface.
• Ground yourself via a grounding wrist strap or by
holding a grounded object.
•Ground any tool that will contact the device.
15 of FCC rules. Operation is subject to the following
15 of the FCC Rules. These limits are designed to
4
VX1221e & VX1222e
User’s Manual
IMPORTANT NOTICE
This card has been tested and found to comply with the following standards:
• International: CISPR22 Class B
• Europe: EMC 89/336/CEE (1992) specifications
• United States: FCC Rules-Part 15-Class B (digital device)
In order to guarantee compliance with the above standards in an installation,
the following must be done:
• the provided cable must not be modified
• additional cables used must have their respective shield connected to
each extremity
CONTENTS OF THIS PACKAGE
Thank you for purchasing a Digigram VX sound card.
The package consists of the following components:
* a VX1222e or VX1221e sound card
* the user’s manual at hand
The cable is available optionally.
5
D i g i g r a m
FEATURES
VX1222e and VX1221e are audio cards for PCI EXPRESSTM (PCIe®). They are
in PCI EXPRESSTM x1 format and can thus be plugged into any PCIe® slot
(x1, x2, x4, x8, x16, x32).
VX1221e main hardware features
•1 digital AES/EBU
(up to 96 kHz) and programmable digital gain
•6 digital AES/EBU
digital gain
• 1 digital AES/EBU
• 1 standard Word Clock input (up to 96 kHz)
• 1 standard Word Clock output (up to 96 kHz)
• 1 video sync input
• 1 SMPTE/LTC (Linear Time Code) sync input
VX1222e main hardware features
All features of the VX1221e, plus:
•2 balanced
analog and digital gain
•12 servo-balanced
programmable analog and digital gain
• 192 kHz / 24-bit converters
• Maximum level on analog inputs and outputs: +24 dBu
Note: The digital outputs always play the digital version of the corresponding analog output.
The selection of the AES/EBU input excludes the selection of the analog inputs.
∗
stereo input, with hardware sample rate converter
∗
stereo outputs (up to 192 kHz) with programmable
∗
stereo sync input (up to 192 kHz in play and record)
∗∗
analog mono line inputs, with software programmable
∗∗∗
analog mono line outputs, with software
Main software features
•Real-time, simultaneous PCM record and playback (8, 16 and 24 bits),