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Multiple formats, FCP, and Io-HD
I’m trying to spec out an editing system. Here are some of the pieces that I’m trying to fit together:
AJA Io-HD
Sony BetaSP deck
Sony HVR-M25U HDV deck
Sony PDW-F75 XDCAM-HD deck
extra PCI firewire cardLet’s take care of the easy parts first. The BetaSP deck will connect directly to the Io-HD via component in/out, and the RS422 machine control port.
The PDW-F75 deck simply connects to the Mac via a Firewire cable to the extra Firewire card. I also have the option of connecting this deck via HD-SDI connectors, but I will need to come up with some sort of RS422 switcher/splitter/router to provide machine control to this deck should I choose to use it this way.
The problem seems to be the HDV deck. My original plan was to go from the deck to the Io box via the HDMI connectors. This will provide both audio and video. But what about machine control? Can I provide machine control through a separate Firewire cable?
Gary Adcock wrote the following on another thread:
The IoHD uses the serial protocol over FW and delivers that serial control via the 9pin or LTC ports – having more than one device like that on your computer is not a good idea, as FCP is NOT smart enough to deal with 2 conflicting serial controls functions over the 2 different FW connections
Blame the FW protocols for the inconvenience, ALL devices that can control via serial over FW need take over the entire FW bus when working in SD and now in addition to the serial control we are also talking about the larger file sizes HD content.
Based on what Gary said, will I confuse the Mac by providing two conflicting serial control functions over two different Firewire connections, one to the Io-HD, and one to the HDV deck?
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