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You are here: MacNN Forums > Our Archives > General Archives > Digital Video & Audio Archives > Cross-platform QT audio problems

 
Cross-platform QT audio problems
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Join Date: Oct 1999
Location: Boulder, CO
Status: Offline
May 4, 2001, 03:47 PM
 
I'm in need of a little help please. At work I'm posting some excerpts of radio and TV broadcasts that won awards from our organization. Haven't gotten to the TV ones yet as I wanted to do the radio ones first to figure out what I'm doing (have only dabbled a very little bit with digital audio/video editing). I'm using Final Cut Pro and Media Cleaner EZ (mainly 'cause we already had this software around for other projects).

I've imported and edited my clips just fine, and then compressed them with Media Cleaner. Aside from the sound level maybe being too low (which I know how to fix, just haven't gotten around to yet) the files download and play great on any Macs I try them on (QT 4 and 5 both tested), but I can't get any consistant indication of how the files play on PCs. Trying through Virtual PC, the clips are at best choppy and popping occasionally, and at worst sound echo-y and distorted (more than the compression already distorts it). I'd like to say this is due to trying to run QT 5 in Windows 95 in emulation, but I'm not sure because after asking my brother to test them out on his new Dell with QT 4 installed, he described similar symptoms ("sounds kinda rough, and has an echo to it when it is playing," he said). This is disturbing to me as I was hoping that posting these files as QT movie files would be a fine way to share them cross-platform as long as I gave notice that the QT plugin was required. Should I try another format? (i REALLY would rather not) Or are there some compression tricks to make the file work better cross-platform? Maybe any specific codecs that work better than others? I don't remember my exact compression settings (I used the wizard in Media Cleaner) but I can find them and post them if any of you knowing them would help. I think though that I used the Qualcomm codec since the clips are almost all voice.

Links to the files are online at: <http://www.spj.org/awards/sdx/2000/clips/>. Anyone who can offer any suggestions and/or check these files on a PC and report back to me would be my new best friend. Sadly I don't have access to any decent PCs that would give me any better results than VirtualPC on my G4 to confirm or refute my concerns.

Thanks a bunch.
     
 
   
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