Re: Sound problems in video edited with Windows Movie Maker 2

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: George Ellis (george.ellis_at_9delta9.com)
Date: 02/18/05


Date: Fri, 18 Feb 2005 13:11:26 -0500

Da_test has it. Virtualdub. Google/Dogpile will find it. You can also
find a link to it from the tools section of Videohelp.com.

"Mark UTTING" <anonymous@discussions.microsoft.com> wrote in message
news:113801c5153c$77590170$a401280a@phx.gbl...
> After I use Windows Movie Maker (2.1.4.0260)
> to download video from my Sony PC105E PAL camcorder,
> I get a 12Gb .avi file with beautifully clear sound.
>
> However, when I edit clips from that file with WMM2,
> the sound becomes distorted in the EDITOR video,
> with a metallic ringing sound (like clipping or something),
> even though the preview of the original video in WMM2
> has clear sound.
>
> I'm pretty sure that the problem is that my camcorder
> recorded the sound at 32KHz (the factory default I think)
> and WMM2 cannot translate this correctly to 48KHz.
>
> GSpot reports that Directshow can play the original
> .avi file correctly, which is probably why the preview
> of the original .avi file sounds fine.
>
> WMM seems to use the "Microsoft PCM Converter"
> audio codec to convert the sound from 32KHz to 48KHz,
> so I think it is this codec that causes the problems.
> (That codec is the only one that is listed as being
> capable of sample rate conversions, and when I disable
> it, I get no sound at all in the edited video, while
> the preview of the original is still fine).
>
> Questions:
>
> 1. Is this a known problem with WMM2?
> (That it cannot edit .avi files with audio
> sample rates lower than 48KHz?)
>
> 2. Is there anywhere I get another audio codec that
> will do a better job of converting the sample rate?
>
> 3. If there is no better conversion codec, does anyone
> know how I could split the audio out of the .avi
> file so that I can manually convert it to 48KHz with
> a separate program?
>
> Thanks for any help!
> Mark



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