Multi-Format HD Recording and Playback

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P L U S H D / S D M U LT I - F O R M AT F U N C T I O N S

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.

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.

*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.