Thanks Jim -- does this help?
For editing AVCHD Formats recorded in 1920x1080 square pixels (non-anamorphic).
16:9 progressive-scan 1080p HD video at 25 frames per second.
48kHz audio.
General
Editing mode: AVCHD 1080p square pixel
Timebase: 25.00fps
Video Settings
Frame size: 1920h 1080v (1.0000)
Frame rate: 25.00 frames/second
Pixel Aspect Ratio: Square Pixels (1.0)
Fields: No Fields (Progressive Scan)
Audio Settings
Sample rate: 48000 samples/second
Default Sequence
Total video tracks: 3
Master track type: Stereo
Mono tracks: 0
Stereo tracks: 3
5.1 tracks: 3
Submix mono tracks: 0
Submix stereo tracks: 0
Submix 5.1 tracks: 0