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9
Features
Chapter
Chapter 1 Overview
1
Overview
Features
The PDW-F70 is a professional disc recorder supporting
HD 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. Its compact design, which also permits vertical
placement, saves installation space on the desktop.
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 incorporates a color LCD display, allowing you to check
video and use the menu system without connecting an
external monitor.
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 HD
1)
codec
High-quality video and audio recording and
playback
The MPEG HD codec provides video compression
compliant with the MPEG-2 MP@HL standard. It enables
HD 4:2:0 digital component file recording in the 1080i
(1,080 effective scanning lines, interlaced) format
currently in use by many broadcast facilities.
Uncompressed PCM recording of 16-bit 48 kHz audio
delivers a wide dynamic range with a high signal-to-noise
ratio.
1) MPEG HD is a trademark of Sony Corporation.
Video bitrates and audio channels selectable
according to application
You can select the appropriate video bitrate for your
application from three video bitrate modes: 35 Mbps (HQ:
high quality mode), 25 Mbps (SP: standard mode), and 18
Mbps (LP: long-play mode). You can select 2-channel or
4-channel audio, with the ability to record 120 minutes or
more of audio. If the audio channel modes are the same,
different video bitrates can be mixed on the same disc.
Rich selection of recording and playback
functions
Support for multiple frame frequencies
The unit can record and play back five different frame
frequencies: 1080/59.94i (displayed as 60I), 50i (displayed
as 50I), 29.97PsF (displayed as 30P), 25PsF, and
23.98PsF. The unit features a standard 2-3 pulldown
function, and can output 60I when playing back a disc
recorded in 23.98PsF.
HD downconvert function
The unit is provided with a downconvert function. HD disc
playback signals can be downconverted to SD signals and
then output as SDSDI or composite signals, or output via
the i.LINK (DV) interface. This allows you to shoot and
record masters in an HD environment, and to use SD
nonlinear editors and monitors for editing and program
output.
DVCAM upconvert function
The unit features an upconvert function, with the ability to
upconvert to HD and output HDSDI signals when playing
back DVCAM discs.
i.LINK (DV) output is also supported
1)
, allowing you to
use nonlinear editors in a standard i.LINK (DV)
environment.
1) Input (recording) is not supported.
Recording of proxy AV data
Proxy AV data is a low-resolution (1.5 Mbps video, 64
kbps per audio channel), MPEG-4 based version of a full-