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Maximus		#1 Posted : Saturday, December 24, 2016 4:28:45 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 10/25/2012(UTC) Posts: 178 Location: Barbados Thanks: 2 times Was thanked: 24 time(s) in 24 post(s)		Hi Guys, Can I do 8 ISO recordings on a System with 6700K CPU, 1080 Graphics Card, 32 Gigs Ram, 1 x 1TB Samsung 950 PRO M.2. Recordings will be mpeg .ts 720p at 25Mbs. Can this be done? Would it be better to use 2 Samsung 950 PRO and record 4 ISO on each? No Streaming or Program Recording will be done on this system. Has anyone done this many ISO? Maxi
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Mathijs		#2 Posted : Sunday, December 25, 2016 9:45:00 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/24/2015(UTC) Posts: 370 Location: Netherlands Thanks: 16 times Was thanked: 81 time(s) in 72 post(s)		I don't think so, I can get 7 iso's on a 6-core Xeon E5-1660 running at 4Ghz.
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Peter B		#3 Posted : Sunday, December 25, 2016 4:04:31 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 4/14/2013(UTC) Posts: 264 Location: Australia Thanks: 35 times Was thanked: 38 time(s) in 36 post(s)		Maybe if you used simpler codecs and transcode later if required. Win Media was always very efficient, possibly MagicYUV but it eats space, Mjpeg, there's also the I frame only Prores available with FFmpeg. VLC may have more options.
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Maximus		#4 Posted : Monday, December 26, 2016 1:13:03 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 10/25/2012(UTC) Posts: 178 Location: Barbados Thanks: 2 times Was thanked: 24 time(s) in 24 post(s)		What about an i7 6900K with X99 MB? Anyone tried this? How does that CPU compare to the E5 1660?
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admin		#5 Posted : Monday, December 26, 2016 3:35:32 AM(UTC)
Rank: Administration Groups: Administrators Joined: 1/13/2010(UTC) Posts: 5,238 Location: Gold Coast, Australia Was thanked: 4348 time(s) in 1533 post(s)		Little known fact, if you install the free NewTek NDI Tools pack this will provide a new codec option for vMix AVI recording called "NewTek SpeedHQ 4:2:2". This is the same compression used in NDI and is very CPU efficient and it should be possible to record up to 8 on a 6 core processor. Regards, Martin vMix
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3 users thanked admin for this useful post.		stigaard on 12/26/2016(UTC), Peter B on 12/26/2016(UTC), PFBM on 12/26/2016(UTC)
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Maximus		#6 Posted : Monday, December 26, 2016 9:22:20 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 10/25/2012(UTC) Posts: 178 Location: Barbados Thanks: 2 times Was thanked: 24 time(s) in 24 post(s)		Thank you much Martin and Merry Christmas. Looking forward to great things using vMix in 2017.
1 user thanked Maximus for this useful post.		PFBM on 12/26/2016(UTC)
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Mathijs		#7 Posted : Monday, December 26, 2016 11:47:38 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/24/2015(UTC) Posts: 370 Location: Netherlands Thanks: 16 times Was thanked: 81 time(s) in 72 post(s)		Quote: This is the same compression used in NDI and is very CPU efficient and it should be possible to record up to 8 on a 6 core processor. Nice, but will this also add support to load this into editing software, like Premiere?
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Digitalson		#8 Posted : Monday, December 26, 2016 12:44:12 PM(UTC)
Rank: Advanced Member Groups: Guests Joined: 1/17/2016(UTC) Posts: 142 Location: Nj Was thanked: 7 time(s) in 7 post(s)		Well iOS recording will need hard drive speed more than anything,so if u have a raid with 4 ssd's in a raid 0 configuration called stripping so all drives act as one and 4 times faster,I hit around 1700 gb per sec,also another option is a pcie ssd card ,and some of them can hit 2 gb a sec,,,,,I have never tried more than 4 iso at once ,,but in audio performance I can play more than 1500 audio tracks.....hmmmm wow!!!
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Mathijs		#9 Posted : Monday, December 26, 2016 1:10:16 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/24/2015(UTC) Posts: 370 Location: Netherlands Thanks: 16 times Was thanked: 81 time(s) in 72 post(s)		A single SATA3 SSD can do 500 MB/sec write these days, More than enough for 8 times 13MB/sec = 104MB/sec for the NDI recording, or 8x 35 MB/sec = 280MB/sec for MagicYUV. No special storage needs...
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Peter B		#10 Posted : Monday, December 26, 2016 3:22:39 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 4/14/2013(UTC) Posts: 264 Location: Australia Thanks: 35 times Was thanked: 38 time(s) in 36 post(s)		Mathijs wrote: A single SATA3 SSD can do 500 MB/sec write these days, More than enough for 8 times 13MB/sec = 104MB/sec for the NDI recording, or 8x 35 MB/sec = 280MB/sec for MagicYUV. No special storage needs... Agree but I would probably use two SSDs, 4 on each, not so much for bandwidth but for redundancy. You could also record a camera or two using the camera's internal card. Check these out, 4 x M.2 striped, 9 GBs, not that you need it for this application - https://www.servethehome...the-hp-z-turbo-quad-pro/ http://www8.hp.com/us/en...ns/z-turbo-drive-g3.html Now if the PC clock could jam sync the timecode track on all the recordings and the SDI ancillary TC track ...
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Mathijs		#11 Posted : Monday, December 26, 2016 5:07:41 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/24/2015(UTC) Posts: 370 Location: Netherlands Thanks: 16 times Was thanked: 81 time(s) in 72 post(s)		To answer my own question: Yes, it also installs support for Premiere. This has a big chance to become the new recording format I will use from now on. What about fault tolerance?
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