Hi -
There's no known issue with alternating channels, to my knowledge. It's more likely to be something to do with the sound properties of the original recording.
You could overcome it by extracting the audio in Media Library & processing the resultant .WAV file in an audio editor to clean it up.
Import the processed file back into PD, drop it in an audio track & mute the sound of the original clip.
If there are multiple clips, you could either:
(a)
produce it first then follow the above procedure, or
(b) process each clip separately.
Cheers - Tony
Visit PDtoots. PowerDirector Tutorials, tips, free resources & more. Subscribe!
Full linked Tutorial Catalog PDtoots happily supports fellow PowerDirector users!