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	Jittery instant replays
	 
	
        
            
            
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	Rank: Newbie
 Groups: Registered
 Joined: 5/5/2023(UTC) Posts: 1  Location: Leeds | 
            
		      
                We have a 4 camera replay set up, all at 1080p 50, and the replays quite often start to jump on our rig. Specs:
 12th Gen Intel® Core™ i7-12700 (25 MB cache, 12 cores, 20 threads, 2.10 GHz to 4.90 GHz Turbo)
 32 GB, 2 x 16 GB, DDR5, 4400 MHz
 NVIDIA® GeForce RTX™ 3070, 8 GB GDDR6, LHR
 1TB M.2 PCIe NVMe SSD
 
 I since bought a WD_Black SN750 4TB SSD just for replays thinking this would fix the issue, but it still persists.
 
 
 Any fixes or workarounds would be great. I read another post about potentially turning off recording whilst we play a replay. This isn't ideal, but would be a better solution if I could get some advice on how to implement this?
 
 Thanks.
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	Rank: Newbie
 Groups: Registered
 Joined: 7/31/2022(UTC) Posts: 3  Location: Victoria | 
            
		      
                Following, having the same issue. | 
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	Rank: Advanced Member
 Groups: Registered
 Joined: 3/7/2012(UTC) Posts: 2,664  Location: CanadaThanks: 33 timesWas thanked: 512 time(s) in 480 post(s)
 
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                @ benwick I suspect that your CPU is too slow and does not meet the minimum system specs for vMix 4 camera Instant Replay:https://www.vmix.com/hel.../SystemRequirements.html It is the major reason why laptops are not recommended for use with vMix Instant Replay. Ice | 
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	Rank: Advanced Member
 Groups: Registered
Joined: 10/7/2015(UTC)
 Posts: 635
 Location: California
 
 Thanks: 122 timesWas thanked: 123 time(s) in 115 post(s)
 
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                @benwick
 This is a desktop rig, correct?  If so what happens when you limit Instant Replay to only 2 cameras?  Same problem?
 
 Perhaps there is an issue with the Intel UHD Graphics 770 built into the CPU.
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	Rank: Newbie
 Groups: Registered
 Joined: 2/24/2020(UTC) Posts: 1  Location: Novi | 
            
		      
                Same issue here.  
 I have recreated this with a single NDI camera.  Sometimes it stops, starts, stops, starts.  Sometimes it goes fine.. then speeds up at the end.
 
 Asus Rog G17 with AMD Ryzen 9 and Nvidia 3060 GPU
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	Rank: Newbie
 Groups: Registered
Joined: 7/31/2023(UTC)
 Posts: 2
 
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                Same problem over here when the inputs of the Instant Replay are SRT and having all the specs required. | 
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	Rank: Newbie
 Groups: Registered
 Joined: 7/31/2022(UTC) Posts: 3  Location: Victoria | 
            
		      
                I have found an issue where Windows defender is scanning the USB ports for virus' and slows the band width down to a crawl. This may be the same for LAN but I am not sure.  My tech told me to download malware bytes and use the free version and this will uninstall defender.  In testing it has made a huge difference.  I will try it in production tomorrow and get back with the results.  90% Better in production. | 
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