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The CineView HE uses an all-new version of the computing platform from the acclaimed CineEye series. After years of painstaking development, the result is a system that is even faster, smaller, more efficient and cooler running than before. As a result, the CineView HE has incredibly low power consumption and a single NP-F970 battery can last up to 12 hours. The powerful Accsoon CineView HE professional HDMI Dual Band 2.4GHz and 5GHz wireless video transmitter and receiver kit is perfect for anyone who needs to reliably send video from their HDMI camera to a HDMI monitor, smartphone, tablet, PC or Mac. It has best-in-class transmission latency of less than 60ms with virtually imperceptible lag. The buttons and dials are nice and tactile and nothing on either the TX or RX feels like it would break even if you dropped them. Image delay can be a problem with HDMI based devices, but it really depends on the camera you are using. Some cameras have horrible image delay over HDMI, while others are really good. Cameras with SDI tend to have a lot better latency, but when you are dealing with wireless image transmission devices that send a compressed signal over Wi-Fi then there won’t be a massive difference between HDMI and SDI delay, although this would depend on the camera.
Above you can see what the delay looks like in real-time with the Kinefinity MAVO LF when the CineView HE TX and RX was in the Normal Mode. This is the default mode when choosing the Data Rate Setting. You can clearly see the delay from what is happening in front of the camera to what is being displayed on the camera’s monitor, an external monitor connected to the RX unit, and what is being seen on the App. So what is the delay like over HDMI from the Kinefinity MAVO LF? I measured the delay average over a series of three tests when using the Accsoon Go app and outputting directly to a monitor from the RX unit. Below you can see the results when the system was set in all three transmission modes: Since that time Accsoon has released a lot of different wireless video systems with different functionality at different price points. I have reviewed quite a few of them and they have generally performed well compared to the competition. At power on, CineView HE will automatically select the best channel for audio and video transmission. The Dual-Band transmission technology will further improve CineView HE’s anti-interference capability to ensure that the high-quality audio and FHD video can be transmitted with nearly undetectable latency via its reliable dual-band transmission signals.As a comparison, when I tested the Hollyland COSMO M1 I found that I could easily get 350m (1148′) and still have a stable signal. I’m sure I could have gotten even more distance, but I ran out of straight road where I was doing the test.
On the other side, the TX has a full-sized HDMI In and Out and the RX has an HDMI Out and a UVC out. I also found that if I attempted to use the CineView HE at the same time as another wireless video TX unit, that TX unit just overpowered the signal, and the CineView HE became unusable. This is something to just keep in mind.The CineView HE is also claimed to be able to transmit images and audio smoothly over a long distance, even the size of a football pitch, with a latency of less than 60 ms. Working at distances of up to 1200ft/350m the CineView HE utilizes Accsoon’s state-of-the-art Dual Band transmission and anti-interference wireless technology to guarantee the best result. The transmitter sends the same image twice using 2.4 GHz and 5GHz frequencies, and the receiver then combines the two streams as needed to create a complete single stream. The class-leading results are impressive, and you can easily transmit wirelessly from one end of a football field to the other. Whenever I review wireless video transmitters I do the test in the exact same place under the same operating conditions. This way I get a good idea of how various competing systems compare.
The CineView HE Wireless Video Transmitter & Receiver both feature the same exact 1.3″ OLED screen that can be found on the CineEye 2, CineEye 2S, and CineEye 2 Pro. You can put multiple view assist tools up at the same time if you need to and Accssoon has improved the app so you can now change the size and positioning of items like the waveform and histogram. The range of the Accsoon CineView HE was as advertised, however, you do get a lot more image breakup than when using most other dedicated uncompressed TX and RX wireless systems. Price & Availability You can do focus magnification by pinch to zoom directly on the screen. While you can move around in the image when zoomed in I would have liked to have seen an indicator appear on the screen that lets you know that you are zoomed in.
How is it powered?
So what about the operating range? The real transmission distance is relevant to the current air electromagnetic environment, because the system works in the ISM band, and therefore has exposure to all kinds of 5GHz band air interference.
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