Newbie doubts about 10Bit and Bitrate

[Itzamna]

Hello there.

So, during confinement we had to start working somehow and luckily my wife job can be done remotely using a video platform (fitness professional). So we started to record her doing her classes and trainings.

Since I'm at home without anything to do I started to try to up a bit the video quality of her recordings and started to research about it (my job has nothing to do with video). But that research lead to sooo many questions....

I have a camera that can record h.264 or Hevc at 8 or 10bit.

The place has great lightning (its indoors, but I can use the lowest iso and the double shutter speed with no problem) and it's a white wall with some color and lights at the sides. But not that so much color.

So my first question is... 1) Is it worthy to record at 10bit? I mean, the camera is static and there is not that much color in the scene. And is there any point of recording in 10bit, and then export from the video editing program in 8bit?

Plus, I would like to record in hevc because files in h.264 and 4k can get massive and storage will become a problem in the near future. But, the video platform she uses advises to use h.264 (it accepts hevc as well, but it advises the older one). So, should I render the files in h.264 even if they are recorded in hevc?
That raises two questions...

2) If I lower the bitrate when recording in Hevc, how does the ramping up of bitrate when converting to h.264 works? Will the video be limited to the hevc bitrate? Because the point of me using hevc is to have smaller files, so, lower bitrate... But h.264 needs a higher bit rate...

and 3) If I upload in Hevc will the video lose any discerning quality because the platform preferes h.264? And I assume it will convert the h.265 file.

Thank you for all your help and I'm so sorry if those are very basic questions...

[butterw]

- Video platform will likely re-encode your video whatever the source file you provide. Provide a high quality source but choose what suits you best.
- Testing on a short clip is a good approach to start learning about video encoding.

[ProWo]

If you want to watch the movies on TV, use 8 bit. Most TVs can't play 10 bit content.

[4kblurayguru]

10-bit HEVC for archival purposes, 8-bit AVC for distribution.