Chapter 1 Overview; Features - Sony PDW-U1 Operation Manual

Overview

1-1 Features

The PDW-U1 is a compact and lightweight
disc drive which, when connected to a
nonlinear editor, enables reading and
writing of video and audio data. In
combination with a laptop computer, it can
be used in the field, and together with a
nonlinear editor, it provides an ideal
inexpensive video production system.
The features of the PDW-U1 include the
following.
Support for all XDCAM
formats
Reading and writing are supported in all
formats adopted by the XDCAM
that is, MPEG HD422, MPEG HD, MPEG
IMX, and DVCAM, in addition to all bit
rates.
1) XDCAM is a trademark of Sony Corporation.
Support for mixed format
recording mode
As long as the frame frequency group is the
same, clips in different recording formats
can be recorded or written to the same
1)
disc.
The system frequencies supported by this
unit are divided into frame frequency
groups, as shown in the following table.
1) The recording format is regarded as different
whenever the system frequency, video
resolution, video codec/bit rate, or number of
audio channels or number of bits does not
match.
Frame frequency
group
59.94Hz
50Hz
23.98Hz
You can record clips with different
recording formats, for example HD422 and
HD420SP clips, by putting this unit into
mixed format recording mode.
1)
series,
Note
Continuous playback may not be possible at
the transition point between two clips with
different recording formats.
Support for dual-layer discs
In addition to conventional single-layer
discs (23.3 GB), dual-layer discs (50 GB)
are also supported.
IT-friendly system through
USB interface
The interface is the very widely used high-
speed USB (USB 2.0), enabling easy
connection to a computer. The PDW-U1
can be used in the same way that an external
1
Chapter
System
frequency
59.94P
59.94i
29.97P
50P
50i
25P
23.98P
1-1 Features 9