Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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The answer is always ffmpeg
im confused sorry, i tried the libx265 codec but the image still has blurry edges??
This might depend on where you’re uploading/how you’re playing this file, but you could add a thumbnail to the audio file? I know that vlc and mpv will play your audio file and show the thumbnail, but I’m not sure if YouTube would take that. Not sure if this is exactly what you’re looking for but it is pretty efficient.
In kdenlive, the following settings work well for me (you can transfer the options to ffmpeg cli as well if you prefer that):
f=matroska movflags=+faststart vcodec=libx264 tune=stillimage progressive=1 g=1000 bf=2 crf=%quality acodec=flac ar=48000
For reference, I get a 3.7 GB video with a duration of over 5 h @4k resolution. The audio itself is already 3.7 GB and it's just a still image. For CRF, set something around 23, that should do.
Are you sure your rendering settings are correct? It sounds like the video isn't being encoded at all. Video encoding works by storing a frame in full quality every couple seconds or so. For the rest of the frames, only their differences from the previous full-quality frame are stored. But from what you describe, it sounds like the latter sentence isn't happening
oh i didnt think this is how it worked, i ended up using ffmpeg to make a one frame a second video but it still looks blurry??
Can you intentionally set various bitrate (VBR) with a big difference, like from 16mbps max to 1mbps min? Constant bitrate can be your problem. Premiere had this on media export menu, I can't remember where others have this. And, if you want to upload it to youtube, see what size it has on a private upload by downloading it - they reencode every video themselves to their uniform standard, so maybe you don't even need to bother with that.
Are you able to add it through the file properties menu?
probably? would that be able to be sent to people / uploaded? how do i do this? linux mint btw