After doing Video "Stabilization" the audio has little dead spots

After putting together a short video Project < 4 minutes (1440CBR) I decided to do some Stabilization for the first time ever. Went to the Inspector/Video/Stabilization and selected a clip and used the Stabilization defaults: 2.5/2.5/2.5 (Transition/Rotation/Scale). During playback (after rendering) I noticed some very short little dead spots in the audio. The VU meters indicate "zero" during the dead spots and these have a length of a fraction of a second.
I tried Stabilization on a few other clips, experimented around with the settings and set either Scale Smooth to "0" and this didn't seem to have any effect other than possibly faster processing. Did some Stabilization on a few other Project clips and a similar thing happened to a varying degree.
Other settings:
Audio Enhancements: Loudness 0, Background noise removal initially 50 but now 0, Hum removal 0. These were initially unchecked.
With regard to what Stabilization does on handheld shots I'm very impressed. However, dead spots in the Audio, no matter how short, is unacceptable.
Does anybody have an idea what is, or might be, going on here?
MacBook Pro 2.53 GHz Intel Core 2 Duo, Late 2008, 8 GB DDR3
OS X 10.8.3, FCP X 10.0.8

Media info for MOV0A4
1080i HD
1440 x 1080, 29.97 fps Stereo
Name: MOV0A4
Notes: none
Roles: Video, Dialogue
Start: 00:00:01:07
End: 00:00:19:28
Duration: 00:00:18:21
Codecs: HDV 1080i60 (25 Mb/s), Linear PCM
Audio Output Channels: 2
Audio Sample Rate: 48 kHz
Audio Configuration: 1 Stereo
Camera Name: [blank]
Video:
on          Color
off          Balance - not analyzed
off          Match Color
on           Correction 1
on          Transform on Crop
on           Distort
on           Stabilization
Translation Smooth: 2.5
Rotation Smooth: 2.5
Scale Smooth: 2.5
off          Rolling Shutter
Audio:
Volume and Pan - Volume: 0; Pan Mode: None
Audio Enhancements:
Equilization: Flat; Audio Analysis: Not Analyzed
Channel Configuration: Stereo

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