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This topic comprises 3 pages: 1 2 3
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Topic: D5 Projection
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Ed Mauger
Film Handler
Posts: 11
From: London, London, UK
Registered: May 2008
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posted 10-14-2008 02:07 PM
Hi Patrick and others,
Maybe this should be seen as an opportunity to increase income rather than a hassle? Showing a press show on HD-D5 or HD-Cam SR is the digital equivalent to running 35mm sep-mag in the past if the film is not yet finished. Whether people like it or not, this is what the studios are doing now, and we might as well know how to do it!
These type of shows/previews happen all the time in the UK, and the distributor always picks up the costs of the deck hire, engineer and cinema hire charge. All cinemas with a digital projector can run these formats, and if your cinema is the only one prepared to say yes in the city, it could be very lucrative and interesting in the long term.
The digital projector head can only process a progressive scan properly. If the frequency is 23.98, 24 or 25 Hz, it can be connected straight to the projector head. If the HD-D5 tape is 59.94Hz, then it is either shot for television, or it has been encoded with 3:2 pull-down (3 fields of one frame, then 2 field of the next, etc), probably with the intention of a DVD release. In this case, you cannot connect directly to the projector head - it cannot decode this correctly. The projector processing will glue every pair of fields together, and you'll end up with very bad juddering motion. For this you'll need to connect via a Cine-IPM or similar.
The sound maybe layed out differently to the standard cinema server way, but you can change this in a Dobly DMA-8, or on the deck.
Be warned, recognising these formats and changing settings on the deck are not always obvious!
So, say "yes" to the hire, find an HD-D5 deck, but I would hire an engineer at least for the 1st time.
P.S. I can hear all the cries of "traitor" in the background ![[evil]](graemlins/evil.gif) I'd much rather they could strike a 70mm print for you, but I don't think they will!
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John Hawkinson
Film God
Posts: 2273
From: Cambridge, MA, USA
Registered: Feb 2002
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posted 10-16-2008 04:23 PM
It's really not that tough, guys.
It's totally standard for press screenings to be coordinated by non-technical ad agency people who are given specific technical requirements. To meet them, you have to rent a high-end VTR. No surprise there.
I'd much rather be renting the deck and dealing with the setup than having someone else come in and try to hook it up in my environment.
Patrick, call up your local broadcast rental houses and ask them if they rent a D5 deck like the Panasonic AJ-HD3700. If not, just call up a national rental house (somebody like VER or one of the New York or LA houses) and have them ship it to you. At the price you're going to pay for the rental, the shipping should be negligable.
Scott, VER in Boston (ok, Woburn) has them in their catalog...; I know that a bunch of places in Boston have D5 workflows, including VideoLink, though presumably they won't rent you a deck.
Note that you'll probably need to make sure you have an adequate projector, and you may need to convert between HD-SDI and HD component video, if your projector doesn't take HD-SDI (I don't actually know that the HD3700 outputs HD-SDI, but I think it's a good bet).
--jhawk
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Stephen Furley
Film God
Posts: 3059
From: Coulsdon, Croydon, England
Registered: May 2002
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posted 10-17-2008 07:36 AM
quote: Bruce Hansen
D5 is a Painsonic, or ah Panasonic format. Painasonic does not have a good track record with tape formats (M, MII, D3 etc) so good luck finding one. It was an SD-SDI (standard def serial component digital) that Painasonic added some compression to to be able to record HD-SDI. Sony's HD CAM, and HD CAM SR are much more popular.
MII was widely used in some parts of the World, China for example. There were a couple of British television companies, Thames and Anglia, who used it, while most opted for Beta SP. Some claimed that MII had better picture quality, but I couldn't tell the difference.
In the composite world, D3 was very widely used, more so than Sony's 3/4" D2 format; D5 was intended to be the component answer to D3, and I believe some D5 machines can also play D3 tapes. In its original SD form D5 was uncompressed, unlike DigiBeta, which I think was compressed about 2:1.
I've only once seen a D5 machine, at the cinema in Ealing, which I think was at that time Virgin; it went through several name changes in a few years. It was installed, along with a JVC digital projector, for some test screenings a few years ago. These screenings were open to the public, who weren't told that digital projection was being used, but I wasn't able to get to see one. I saw the equipment when I visited the cinema for some reason.
It's certainly not something that you'd expect to find installed in a typical cinema.
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