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Author Topic: Cinema Sound Processor in Media Block? Stephan Shelley Jedi Master Film Handler Posts: 854 From: castro valley, CA, usa Registered: Nov 2014 posted 09-21-2017 04:41 PM                     To the original subject the Dolby IMS 3000 Atmos audio processor and IMS together.  |  IP: Logged Marcel Birgelen Film God Posts: 3357 From: Maastricht, Limburg, Netherlands Registered: Feb 2012 posted 09-21-2017 05:28 PM                     Technically yes, but to get Atmos out of it you need "Atmos Connect" breakouts, either in the form of a DAC3202, their own multi-channel AMP. Ah, and you need a license. A VERY expensive license. It's like those cars you buy, where the seat heating is already there, but where you need to pay a few $K to have somebody flip the switch in the firmware.  |  IP: Logged Pete Naples Phenomenal Film Handler Posts: 1565 From: Dunfermline, Scotland Registered: Feb 2001 posted 09-24-2017 03:45 AM                     It's expensive. The previous IMS 1000 and 2000 are not exactly shining beacons of reliability. The jury is still out on the CP850, so far so good but there aren't that many of them around in real terms. As said you need to use external DACs unless you're using Atmos Link enabled amplifiers. How do you get non-sync into the audio system? I asked this at Cine Europe. The reply was basically to invent some kind of relay switching direct to the amplifier inputs. With Dolby amplifiers you have no analogue inputs.... The only way I could see was to somehow embed non-sync into HDMI and distro it that way. Messy! Same goes for 'legacy' film sound. How do you get that in?  |  IP: Logged Marcel Birgelen Film God Posts: 3357 From: Maastricht, Limburg, Netherlands Registered: Feb 2012 posted 09-24-2017 08:57 AM                     Besides the HDMI port, there is also an AUX AES port. This AUX AES port should be able to be used as a non-sync input. Obviously, you'd need to convert analog sources to AES first, but that's a solvable problem. It will also be limited to stereo only via this route. I'm not sure what formats are supported over the HDMI port, can it properly process a Dolby TrueHD stream? What about the consumer version of Dolby Atmos? Does it support multiple (more than one) LPCM streams over HDMI? It's clear that an IMS3000 + Atmost Connect solution is really only targeted at DCI-only operations. Analog formats are out of the question and multi-channel digital solutions probably too. So, if you're planning on doing 35mm or even 70mm in the same room, this is not your solution.  |  IP: Logged Carsten Kurz Film God Posts: 4340 From: Cologne, NRW, Germany Registered: Aug 2009 posted 04-23-2018 06:01 PM                     New QSC CMS-5000 answers many of these questions. https://www.qsc.com/cinema/products/media-servers/cms-5000/ I am a bit surprised QSC develops a follow-up to the (USL) CMS-2200. Simply because the market for servers seems to be saturated in most areas of the world, and it must still be an enormous effort to develop a full IMS with that feature set and sell enough of them. The only incentive could be that the new open SMPTE standard for object-based audio needs new media blocks/many digital outputs (compared to the standard 16ch DCI), so, there may be a retrofit market. I liked the feature-set of the CMS-2200, but I can't imagine they sold too many of them? Some here may like the Q-SYS interfacing, a natural way into Q-SYS core systems. Also, this one has explicit digital audio inputs to accommodate NonSync, S/P-DIF, etc which ordinary cinema audio processors offer (with some adaption). - Carsten  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 04-23-2018 06:41 PM                     Those are cute hard drives they are using on the CMS-5000! I wonder how the life span on thewm is being solid state? Mark  |  IP: Logged Carsten Kurz Film God Posts: 4340 From: Cologne, NRW, Germany Registered: Aug 2009 posted 04-23-2018 07:47 PM                     They seem to be 'M2 SSD', a smaller (and faster) form factor, often used on modern mainboards and in notebooks. However, 2TB, that's expensive... The CMS-5000 offers 10G ethernet. Could mean extremely fast ingests. But I guess they need to be very fast, since the storage needs to support HFR/>500MBit/s DCP + the bandwidth needed for object based audio, and parallel ingests. - Carsten  |  IP: Logged

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