As for WAV files, I was able to test this by converting my mp3 to WAV in QT Player before importing. The results were the same... still an issue, so the mp3 aspect of the source file may be a red herring.
My next test will be with CD music freshly imported into this HD project.
--- In Avid-L2@yahoogroups.com, "bouke" <bouke@...> wrote:
>
> Not really feedback, but what happens if you export a QT ref with audio
> mixdown?
> Does the Wave also has these problems?
> (If so, i definitly will not update...)
>
> Bouke
>
> VideoToolShed
> van Oldenbarneveltstraat 33
> 6512 AS NIJMEGEN
> The Netherlands
> +31 24 3553311
> www.videotoolshed.com
> For large files:
> http://dropbox.yousendit.com/BoukeVahl998172
>
> ----- Original Message -----
> From: "cmpDon" <cmpdon@...>
> To: <Avid-L2@yahoogroups.com>
> Sent: Friday, December 30, 2011 2:08 AM
> Subject: [Avid-L2] Serious audio mixdown bug in v6...
>
>
> Hello everyone,
>
> I haven't seen this posted anywhere yet, so I thought I would share my
> experience with you. Last night I was mixing down a 90-minute show for ESPN
> (A1/A2 Stereo Pgm, A3/A4 mix minus v/o) and this AM my producer discovered
> occasional errors in the mixdown.
>
> Our announcer voices some segments after-the-fact and emails us MP3 files
> which are imported. In a few places, PART of his audio was missing from the
> audio mixdown. It would pick up after a bit, but it was always the start of
> the edited clip that was missing, and always JUST the mp3 file.
>
> So, I called it in to Avid and logged a case number. In the meantime, you
> can try to recreate the issue if you so desire.
>
> 1) Create a 720p/59.97 project.
> 2) Import an mp3
> 3) Edit about 6 seconds of the audio file into a new timeline.
> 4) Stretch the timeline out so that it is 18 seconds, either by adding
> non-mp3 audio like AIFF or captured sound from tape.
> 5) Do a stereo audio mixdown. You should see that everything works as
> expected.
> 6) Now make the timeline 30 seconds and do a new mixdown. You should see
> that the MP3 drops out of the mixdown for about the first 3.5 seconds.
>
> It's always possible that this is operator error, but I think not. I was
> able to recreate the problem on both a Mac and PC running Media Composer
> software version 6.0.
>
> Your feedback is welcome.
>
> This is a pretty big deal for us, because we generally trust the mixdown to
> be the same as the component parts... and since it's one of the last steps
> in our process, the critical listening has normally already happened by the
> time we get to mixdowns. This bug means we will have to scrutinize each V/O
> insert carefully to ensure inclusion.
>
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