Audio stream in AVCHD clip not recognized

New to Resolve 12 and when I import 1080p50 AVCHD clips from a Panasonic HC-VX870 camcorder, there is no audio (no audio playback, no audio track identified in the clip properties).
However audio plays fine with other files like e.g. MP4 etc.
Any hint ?

[Peter Chamberlain]

Can you try 12.5.1 that was released last week.

What audio format did you record the files in? I see the camera does AAC or DD 5.1, pretty sure that Resolve won't take DD 5.1