Not sure that I can help but: what software are you using for the conversion? When does the problem occur; after encoding or after writing; if the latter, have you successfully played VCD's on the current player?
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?