I’ve been working with Accsoon for a couple of years now and their products always represent great value and do what they are supposed to do very well. One thing in particular that I find immensely useful is the ability to use their wireless video transmitters as an access point that you can connect a camera to to extend it’s internal wifi range. This is particularly beneficial with Sony’s Cinema Line cameras as it can greatly extend the range and reliability of the remote camera control via Sony’s control and transfer app. See: https://youtu.be/iSC9i0Frz-Y
Accsoon have just announced a new addition to their line up with the new CineView 2 SDI (it does also have HDMI). I expect this will provide even better range and stability when used as an access point, plus of course it can transmit a very high quality, low latency HD video feed
The key points are below:
– A massive 1500ft/450m range with impressive stability and latency
– Equipped with HD-SDI and HDMI inputs/outputs for versatile connectivity. Has 4K 60P loop through on the TX unit.
– Features next-generation 1080P wireless video transmission
– Backwards compatible with previous CineView models
One of THE most common complaints I hear, day in, day out, is: There is banding in my footage.
Before you start complaining about banding or other image artefacts ask yourself one very simply, but very important question: Do I know EXACTLY what is happening to my footage within my computer or playback system? As an example, editing on a computer your footage will be starting of at it’s native bit depth. It might then be converted to a different bit depth by the edit or grading software for manipulation. Then that new bit depth signal is passed to the computers graphic card to be displayed. At this point it will possibly be converted to another bit depth as it passes through the GPU and then it will be converted to the bit depth of the computers desktop display. From there you might be passing it down an HDMI cable where another bit depth change might be needed before it finally arrives at your monitor at goodness knows what bit depth.
The two images below are very telling. The first is a photo of a high end TV connected to my MacBook ProRetina via HDMI playing back a 10 bit ProRes file in HD. The bottom picture is exactly the same file being played back out of an Atomos Shogun via HDMI to exactly the same TV. The difference is striking to say the least. Same file, same TV, same resolution. The only difference is the top one is playing back off the computer, the lower from a proper video player. I also know from experience that if I plug in a proper video output device such as a Blackmagic Mini-monitor to the laptops Thunderbolt port I will not see the same artefacts as I do when using the computers built in HDMI.
And this is a not just a quirk of my laptop, my grading suite is exactly the same. If I use the PC’s built in HDMI the pictures suck. Lots of banding and other unwanted artefacts. Play back the same clip via a dedicated, made for video, internal PCI card such as a Decklink card and almost always all of the problems go away. If you use SDI rather than HDMI things tend to be even better.
So don’t skimp on your monitoring path if you really want to know what your footage looks like. Get a proper video card, don’t rely on the computers GPU. Get a decent monitor with an SDI input and try to avoid HDMI for any critical monitoring.
Shot viewed on a good quality TV via HDMI from the computers built in graphics card. Notice all the banding.
Exactly the same shot/clip as above. But this time played back over HDMI from an Atomos Shogun Flame onto the very same TV. Not how all the banding has gone.
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