Here's the easiest way to convert DSF to FLAC with high quality kept. Get the dedicated audio converter and finish the conversion. More details at https://www.videoconverterfactory.com/tips/dsf-to-flac.html
The big challenge is, how to make the downloaded video compatible with your iPad. With this, you will need a good YouTube-to-iPad converter like the VideoPower RED.
You can read the full article here:
https://videopower.me/tips/ct-download/youtube-to-ipad-converter/
AureoSoft Eyegreeable Personal Edition download - Eyegreeable is a reading tool software that uses the Dynamic Screen Filter (DSF) technology, developed by physicians