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Nyrius Aries Prime Latency and drop frame test with video
on 24 November 2015
Before purchasing this I asked the community about the display lag and they were kind enough to reply some with with comprehensive answers.
I also watched some YouTube reviews and was almost convinced that there is no noticeable delay between the source playing out in to the transmitter and screen playback via the receiver. So I bought this.
I wanted this to be used by a remote focus puller with wireless follow focus for my camera on a Steadicam or gimball stabilisers. For those who might not be familiar with these equipments, it simply means that a person could see pictures remotely and keep the subject in focus as camera moves around. In professional world this requires accuracy and obviously no lag, or the picture will be out of focus for the duration of the delay (as the camera records it instantly, while it takes time for the focus puller to realise). The device advertisement claims ZERO latency.
I preformed a test and there obviously is a delay. In 25fps there is randomly between 4 to 10 frames delay. Please watch my test video.
Another artefact is frame dropping. There are drop frames in a totally random looking pattern.
In terms of range, although the claim is 30ft/10meter but in real life I started to get more and more drop frames from about 4-5 meters onward. 7 meter away and the picture was gone. This was indoor environment.
The trouble is that after getting back in to the range no automatic reconnection occurs. The only way to reconnect was to restart the device. So it seems that if you you lose the connection once for going beyond the range you would need to actually restart the entire shot.
However, it starts to work pain free as you set it up and turn it on. When it is connected the picture is streaming flawlessly and hassle-free.
The delay and frame drop wont be an issue for most domestic usages.
The only annoying fact is that the advertisement and claims are invalid.