Is this crow normal? (Video)

[NyxKnocks]

My guy, Alfred Hitchcock, is a 20 week old LF Cochin cockerel. He has a deflating sound/ wheeze after his crow. Is this normal because he’s still young and new to crowing or should I be worried about a respiratory problem? Thanks!

 

[nuthatched]

Puberty crows are often.....odd