Apakah Aspek Terbaik Ratio Untuk Video Di Sini? 16:9 ?

Video screenshots

• 00:03
• 00:18
• 00:33
• 00:49
• 01:04
• 01:20
• 01:35
• 01:50
• 02:06
• 02:21

I have been posting videos here cropped to 5:4, this is 16:9 which is best ? At 5:4 they end up with a black box on the screen. Any help would be appreciated.