Hey MIKE, Yes! you solved it – your instinct is accurate =), experimenting in Properties audio tab I changed the “stereo” to “5.1 surround”.
You made me curious to ask you, a professional, if no AVCHD what type of files you work with?
Also, the “5.1” audio is better sounding then the “stereo” one?
Thank you again MIKE, another kind help from you!