Naty777
Please put the problem video through the codec utility named GSpot and then let us know what the readouts are for Audio Name and Status as well as
Video Name Codec Status.
GSpot Codec Information Appliance
What are your Sony HDR-CX330 settings
AVCHD, not MP4, 1920 x 1080p60
Dolby Digital 2 channel, not MPEG4 AAC-LC 2 channel?
What computer operating system are you using? Have you updated Premiere Elements 12 to 12.1 yet? If not, please do so.
Thanks.
ATR