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-MX25, -MX50, and -MXT50
Mixed-Format Codecs for Non-Linear Editing,
Video Server, and VTR Applications
OVERVIEW: MIXED-FORMAT TECHNOLOGY HAS ARRIVED
The world of video production is being dramatically impacted by
digital technology. Video acquisition and recording has seen improvements in
image quality and device size with the introduction of the DV format. At the
same time, the MPEG format has enabled improved distribution options such
as direct broadcast satellite and DVD.
Non-linear editing (NLE) systems and video servers, which initially
utilized proprietary compression schemes like motion JPEG, are now migrat-
ing to open standards like DV and MPEG. However, these two standards lack
compatibility, which prohibits the efficient exchange of compressed video
data from acquisition to distribution systems. It is therefore necessary for
these systems to employ mixed-format technology to support both DV and
MPEG standards.
In the past, mixed-format solutions required the use of several chips
for encoding and decoding of video in various formats, audio capture, and
special-effects processing. In addition, glue logic was required to link these
components together, making such mixed-format solutions expensive and
difficult to deploy. No single-chip solutions combining DV and MPEG formats
have existed 鈥?until now.
FEATURES:
鈥?Mixed-format editing
鈥?Transcoding
鈥?Frame accuracy
鈥?Multiple-stream decoding
鈥?Real-time special effects
鈥?Dual-stream output
鈥?RGB picture I/O
鈥?Serial upgrade module (SUM)
鈥?Flexible bit rate control
鈥?PerfectView
廬
encoding algorithm
D V X P R E S S
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- M X I S T H E I N T E G R A T E D S O L U T I O N
The DVxpress-MX family of codecs (DVxpress-MX25, DVxpress-MX50,
and DVxpress-MXT50) offers the world鈥檚 first line of single-chip, mixed-format
solutions. With DVxpress-MX codecs, MPEG and DV compression/decompres-
sion, mixed-format editing, and DV/MPEG transcoding are efficient, single-
chip capabilities. These innovative codecs provide an all-digital, seamless
bridge for the transfer of video content from acquisition to editing to distribution.
IDC
IDC
M
The
Communications
Company
TM
The DVxpress -MX Single-Chip Codec Architecture with Glueless Interfaces to
PCI, SDRAM, and Video In/Out
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