Multi-Format HD Recording and Playback
With the addition of 720/50p, the AJ-HD1800 records in all of the
world's HD broadcast formats in both 1080i and 720p video.
It also plays back all DVCPRO HD sources, including the
1080/23.98p over 59.94i recorded by the AJ-HDX900 DVCPRO
HD camera-recorder and the 720/24p (and 25p) over 60p
recorded by VariCam. The built-in HD cross-converter makes it
easy to convert between 1080i and 720p HD formats. These
features combine to make the AJ-HD1800 a flexible solution for
both broadcast and cinema applications.
Video Formats Supported by the AJ-HD1800
Recording:
1080/59.94i, 1080/50i
720/60p, 720/59.94p, 720/50p
Playback:
1080/60i, 1080/59.94i
1080/50i, 1080/23.98p (over 59.94i)
1080/29.97p (over 59.94i)
720/60p, 720/59.94p
720/50p, 720/50p (over 60p)
720/23.98p (over 59.94p), 720/24p (over 60p)
720/29.97p (over 59.94p), 720/30p (over 60p)
720/25p (over 50p), 720/25p (over 60p)
480/59.94i, 480/23.98p (over 59.94i)
480/29.97p (over 59.94i)
576/50i, 576/25p (over 50i)
Cross-convert:
1080/60i <=> 720/60p
1080/59.94i <=> 720/59.94p
1080/50i <=> 720/50p
1080/23.98p (over 59.94p) => 1080/23.98 psf
720/23.98p (over 59.94p) => 1080/23.98psf
720/24p (over 60p) => 1080/24psf
720/25p (over 60p) => 1080/25psf
720/50p (over 60p) => 1080/50i
720/50p (over 60p) => 720/50p
Down-convert:
1080/59.94i, 720/59.94p, => 480/59.94i
1080/50i, 720/50p => 576/50i
Up-convert:
480/59.94i => 1080/59.94i, 720/59.94p
576/50i => 1080/50i, 720/50p
*Neither converted output or converted recording is possible for 59.94 Hz to 50 Hz.
SD Source Playback and Up/Down Conversion
The AJ-HD1800 can play DVCPRO50, DVCPRO, DV* and
DVCAM* SD sources. The built-in up-converter and down-
converter make it possible to output HD data from SD sources, or
SD data from HD sources. HD and SD can be output
simultaneously. There's also an aspect ratio conversion function
for added flexibility.
*You need an optional AJ-CS455P Mini-DV Playback Adapter to play Mini-DV and
DVCAM S cassettes on the AJ-HD1800. The AJ-HD1800 can play DV tapes in SP mode
only.
1080/24p (25p) Output
for AJ-HDC27H
VariCam Source Production
The AJ-HD1800 can play 720/23.98p
over 59.94p sources and convert them
for output as 1080/23.98psf, and it can
play 720/25p over 60p sources and
convert them for output as
1080/25psf. Used in this way,
the AJ-HD1800 provides the
AJ-HDC27H VariCam user with an
easy integration path to native 1080/24psf or 1080/25psf based
program production.
126 Minutes of Recording on
an XL DVCPRO HD Cassette
Designed to broadcast specifications, the DVCPRO HD codec
combines a video bit rate of 100 Mbps with 4:2:2 image sampling
and intra-frame compression. This reliable recording system also
minimizes quality degradation with fast-moving subjects and is
highly resistant to drop-out. The AJ-HD1800 accepts the M, L,
and XL cassettes. It can record up to 126 minutes on a single XL
cassette.
Eight Channels of 16-bit Digital Audio
DVCPRO HD format also offers superb 16-bit linear PCM sound
quality, with eight embedded channels for recording in 5.1-
channel surround sound. The AJ-HD1800 uses HD-SDI for
independent input/output and editing of all eight channels.
UMID* Data Recording and Playback
The AJ-HD1800 records and plays data that conforms to the
UMID standard and contains a variety of supplementary
information. This allows it to read GPS data (latitude, longitude
and altitude) recorded by the AJ-HDX900/AJ-SDX900 camera-
recorders. The AJ-HD1800 can handle VANC for a variety of user
data including Closed Captioning, Dolby Dial Norm, and network
signaling.
*UMID stands for Unique Material Identifiers, which are defined for AV material use in the
SMPTE 330M international standard.
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