Hi John, thanks for your reply.
It makes total sense. But I’ve just tried to render my project at 25 fps using a custom mainconcept avc template and the flashes are still there always at the meeting point of two sequences. Some cuts are affected, others are flawless.
[John Rofrano] “Convert it to the proper frame rate for your region (NTSC or PAL) and the problem should go away.”
Did you mean to convert directly my final video ? the source footages ? Or to change fps in my project/rendering settings in vegas ?
And sorry for the beginner level questions.