[Cin] aw, we apparently missed more honest capture device

Terje J. Hanssen terjejhanssen at gmail.com
Wed Feb 8 14:52:34 CET 2023

Den 08.02.2023 03:46, skrev Andrew Randrianasulu:
> https://www.avaccess.com/products/4kvc00/
> it exist, just not (yet?) in Europe ...

4KVC00, interesting model worth to have a closer look at. And it 
seemingly is available or at least prices in Europe for €71.99

If it has better cost/performance than other similar UVC v4L2 models, I 
don't know.
Looking at its tech specs, it has color precision
Deep Color     4K at 60Hz: Up to 8bit

Not really fair comparable with the "not so unexpensive" standalone SSD 
recorder (BMD Hyperdeck Shuttle 2
Color Precision    10-bit
Video Sampling    4:2:2

And not to forget the 8-Bit vs 10-Bit Video Color Explained 
(thousands/banding vs millions):

> ср, 8 февр. 2023 г., 05:19 Andrew Randrianasulu <randrianasulu at gmail.com>:
>     https://www.amazon.com/gp/aw/d/B08MPPKZ55/ref=cm_cr_srp_mb_bdcrb_top?ie=UTF8
>     ‎4KVC00 from "V AV access"
>     in reviews
>     ====
>      A true YUY2, USB 3.0 capture card capable of 1080p 60fps!
>     Reviewed in the United States on June 7, 2021
>     For the price, this thing is awesome. It's actually USB 3.0
>     (instead of just a fake blue connector) and is capable of
>     delivering raw 1080p60 video for capture! I've been looking around
>     for a good 1080p60 capture card for my Nintendo Switch, and this
>     fits the bill quite nicely, as the loop-out keeps the gaming
>     'competitive' while the capture looks great.
>     Pros:
>     - Really captures at 1080p 60fps, and delivers sharp images
>     (instead of blurrier 30fps ones you'll find on cheap USB 2.0
>     MJPEG-based capture cards). YUY2 (the video format) is chroma
>     subsampled though, which means that really small text may have a
>     bit of discoloration, but for games it's not really an issue.
>     - Low latency capture (at least from what I can tell in OBS preview)
>     - Loop out (yay)
>     - Works with Linux as a simple V4L2 capture device
>     - Sound is nicely in sync
>     - Price (I got it for like ~$40 or so, and haven't found anything
>     this good at this price point - heck, it outclasses my AverMedia
>     Live Gamer Mini I bought used at $60)
>     ====
>     aja and other stuff cost ... *much* more.
>     https://www.aja.com/products/u-tap-hdmi
>     439$
>     https://www.amx.com/en/products/uvc1-4k
>     even costlier, 800+!
>     Anyway, in all cases cable (usb) might be limiting factor, too?
>     I really hope this HAMA device actually just was plugged in wrong
>     port or via wrong cable, otherwise I think it will be wise to
>     replace it with something else (sadly cheap-end devices may change
>     their guts without changing appearance, so ...russian roulette!)
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