Squeaks/chirps in audio after converting from Mini DV as AVI

[AmRy]

Now that I hopefully have a way forward, what would people recommend for the video? I've done both of the following in the past. Virtual Dub with the deinterlace filter, yadif, keep both frames, so it kind of doubles the frame rate to 50 fps, and stay at 576x720. Or Handbrake, let it auto detect interlaced, and use decomb (nothing that I could use yadif or decomb for either, I think decomb happened to be the Handbrake default) and (surprising to me) manually set the framerate to 25 fps (defaulted to 30 fps, even though the input is 25 fps).

Actually the answer is Handbrake, because my install of Virtual Dub doesn't seem to support decent encoding, and if I intend to use Virtual Dub at 50 fps and stay at AVI then use Handbrake as a second step to use something like H.264, the problem then is the Virtual Dub output is uncompressed AVI, 100 GB for a one hour video, and I'm way out of space. Seems better to just do it all the video as one step in Handbrake.

[Alwyn]

my install of Virtual Dub doesn't seem to support decent encoding

VDub 2 has inbuilt support for x264/MP4 and AAC encoding.

You can update the x264 encoder with a later version from here.

It uses the arcane SAR system for frame ratios, so I normally just resize to 1440x1080.

50fps is definitely better than 25fps if you can double-rate deinterlace, so it would pay to do a couple of test comparing the both. The difference is noticeable; 50fps motion is noticeably smoother.

[Bernix]

I would use Hybrid as probably easiest way to use QTGMC deinterlace script. And superb control over compression to AVC or any other supported format.