DVL-Digest 936 - Postings: Index Best DV Projector DV over Fast/Gig Ethernet on Mac? RF Interference (was "Bird-eye" video shooting) Best DV Projector - Adam Wilt > ] Suggestions on the best projector for the job? > > I'd just like to add that choice of a really good line doubler is > *equally* important if you wish to maximize the quality of your display The DLP-based projectors from Panasonic, Christie, and Barco all have Faroudja processing built in (it's part of the DLP engine itself) which handles deinterlacing and upsampling to the resolution of the DMDs in use. I've run plain old interlaced NTSC DV into a couple of high-res DLPs (we used one of the Panasonics at the 2000 SMPTE Winter conference, and I fed it my VX1000, and a raw DLP engine used in development) and the pix were bloody amazing. Either a Panasonic or a Barco was used at the ITS Tech Retreat last February and was fed DVD and DigiBeta, and the pix were likewise gorgeous. In all cases I was able to get as close to the screen as I liked, so I could see interlacing/upsampling problems if there were any. No problems to speak of. Cheers, Adam Wilt DV over Fast/Gig Ethernet on Mac? - Adam Wilt Moving DV clips over networks is feasible, but is likely going to > take longer than capturing them in the first place as even 100baseT > at max efficiency is only about 3x DV data rates. And I'm not even seeing 1x over Gigabit Ethernet on the Mac. What am I doing wrong? Situation: Two G4/500DPs running OS 9.1, connected back-to-back using Gigabit Ethernet, so there's no other traffic on the link. ASP confirms the link is up & running at 1 Gig, full duplex. File transfers between the machines run 2.6 to 2.8 Mbytes/sec whether I'm running AppleTalk or DAVE over TCP/IP. This is goofy: I should be able to see around 40-80 Mbytes/sec throughput if GigE were the limiting factor. Heck, even 100Base (Fast Ethernet) should give me 4 Mbytes/sec or better; I have a Canopus-using buddy who routinely captures across the network using Fast Ethernet, without dropped frames. Both machines have IBM deskstars and can do same-disk file copies (i.e., duplicate file) at 15 Mbytes/sec (read and write combined), so the disks aren't the problem. Enabling/disabling the 802.3 checkbox doesn't make a substantial difference. Anyone have a magic bullet for me? Thanks, Adam Wilt RF Interference (was "Bird-eye" video shooting) - "Perry" Another story! I used to work in Saudi Arabia, and in the late '70s a US company was responsible for technical maintenance of the kingdom's TV stations. The telephone network in those days was very unreliable, so the company bought short wave radios for all the stations with 1000watt linears (output boosters). Unfortunately they forgot to order any aerials and so each engineer rigged up something himself. One station I was visiting had every single monitor picture turn to shash whenever he pressed the transmit button, and another was shocked a few days after installing his to hear from friends that they had heard him speaking on the local medium wave radio, which had its mast located next to his TV station! In my experience, I've never suffered any RF interference to a professional camcorder. The metal cases obviously make effective screens. A couple of years ago I was working in the Seychelles with a Panasonic DVCPRO50, and one time I was shooting the view from the top of a restricted hill which also had a radio direction finder array for the airport. The maintenance engineer said not to get too close to the aerials because the RF could burn, but at no time did I get any interference on the pictures. Perry Mitchell Video Consultant http://www.perrybits.co.uk (diese posts stammen von der DV-L Mailingliste - THX to Adam Wilt and Perry Mitchell :-) [up] |
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