Sony XDCAM PDW-HR1, Руководство по эксплуатации, Страница: 16 / 214

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Features
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Chapter
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Overview
Features
The PDW-HR1 is a professional disc recorder supporting
full HD (1920 × 1080 and 1280 × 720) playback and
recording with Professional Disc
1)
media.
When you use this unit in combination with a nonlinear
editing system, the FAM
2)
function enables data file
transfers between the unit and computers over the i.LINK
interface, allowing the unit to be used like an external hard
drive. The unit can be used as a player for video editing and
program output, and as a recorder for nonlinear editing.
For these applications, it can be connected to Sony
nonlinear editors, monitors, and video equipment with
HDSDI interfaces via its standard HDSDI I/O connectors.
It has a compact, lightweight body for easy portability
outdoors, making it ideal for field applications and also for
desktop viewing by journalists, producers, and other
production staff.
1) Professional Disc is a trademark of Sony Corporation.
2) FAM: File access mode
Features of this unit
The principal features of this unit are as follows.
MPEG HD422
1)
codec
High-quality video and audio recording and
playback
The MPEG HD422 codec provides video compression
compliant with the MPEG-2 422P@HL standard. It
enables HD 4:2:2 (50 Mbps) digital component file
recording in the 1080i (1,080 effective scanning lines,
interlaced) or 720P (720 effective scanning lines,
progressive) format currently in use by many broadcast
facilities.
Uncompressed PCM recording of 24-bit 48 kHz audio
enables 8-channel audio recording at high sound quality.
1) MPEG HD422 is a trademark of Sony Corporation.
Long recording times
PDW-HR1 supports dual-layer Professional Discs (50
GB). When dual-layer Professional Discs are used, this
unit can record about 95 minutes.
Recording and playback functions
Support for multiple SD and HD codecs
In addition to the MPEG HD422 codec, this unit supports
the MPEG HD codec.
1)
It can record HD 4:2:0 digital
component files at both 1080i (35/25/18 Mbps
2)
) and 720P
(35/25 Mbps), allowing HD operation across a wide range
of recording times and application objectives. The unit is
also capable of SD (IMX 30/40/50 Mbps or DVCAM
codec) recording and playback.
1) MPEG HD is a registered trademark of Sony Corporation.
2) Playback only supported for 18 Mbps.
Support for multiple frame frequencies
This unit can record and play multiple frame frequencies at
both 1080 (59.94i, 50i, 29.97P, 25P, and 23.98P) and 720
(59.94P and 50P) (for MPEG HD422). It can also perform
pulldown playback of discs recorded at 23.98P.
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 disc.
1)
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 System frequency
59.94Hz 59.94P
59.94i
29.97P