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Topic: IMAX Point Source DSP w/Center Height
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Sean McKinnon
Phenomenal Film Handler
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Posts: 1712
From: Peabody Massachusetts
Registered: Sep 2000
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posted 12-21-2018 11:41 AM
I assume this is for a digital system? I am partial to QSC and Q-Sys. You did not indicate how you would be getting the audio to the DSP but if you are using a traditional 16 channel AES output from an IMB/IMS or server then either a core 510c with an AES input card or a core 110c and an DCIO provide the inputs you would need. If you are using QSC Dataport amplifiers you could use the 510c (or a I/O Frame) with dataport cards to keep everything nice and tidy on dataports. If its a completely new system I like the DPA-Q series network amplifiers though the S/N ration is not as good as the DCA series however I cannot really say I have noticed it outside of a direct A/B comparison.
Software wise you can program routing easily and graphically and make as many formats, presets, or "Snapshots" as you wish. You could have a snapshot for traditional 5.1, 5.1 with center height, PA, L/R Stereo etc... the sky is really the limit.
I have started using Q-Sys as my DSP and control system in my multipurpose and performing arts center installs including their conferencing and camera options. I use the Q-Sys to do everything from house light control, and masking control, to video control, and more. They are also releasing a Q-Sys compatible version of their IMS next year which should make it a snap to integrate server control. They also support Dante and other digital audio networking platforms which I find quite handy.
As you can tell I am a fan! You can use q Q-Sys core and DCIO as a complete standalone system or you can pair it with a cp850, trinnov, or AP-20/25. I have recently done a Q-Sys system with a cp-650 for optical film, SR*D, and 70mm Mag including outboard noise reduction frames and an MPU. The Q-Sys handles all of the routing, switching, and logic.
So to sum it all up if I was looking for a DSP platform to build a custom cinema sound format on I would hands down pick Q-Sys. My second would be Symetrix (which we used a lot before Q-Sys) but at this point its a very very distant second.
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