I would like to assist on this topic to help improve your great application. Tests with the file "Windows Logon.wav" from windows-folder and winlame 2020 release 1. "Custom settings", "q0" and high encoding quality (see screenshot 00-...). Windows explorer is showing wrong duration (see screenshot 01-...). Just like Kodi 18 (on Linux), Musicolet (android). But Winamp and VLC show the correct duration. MP3 Diag complains about a NULL-stream (screenshot 01-). Fixing this (screenshot 02-) results in...