Need more info.
The specifics of the media, sequence and export setting at least.
AVCHD Shot with a sony handycam AVCHD 60i 29.9 sequence setting.
Audio was also captured externally with a zoom 44khz 16bit
Also includes sourround sound from Sony
All effects have been turned off of audio
CS 5.5 just updated
I've turned off all the sound exported and still got the noise, tried to export just audio as well.
Exported H264 Youtube HD, then HD 1080p
Mac OSX 6
Thanks for your help