An hour ago, I was trying to watch a couple of google IO videos on youtube.com, but they are all about an hour long, which means it takes about 1.5 hrs to download on my "broadband" connection. So I decided that the best way would be to download them and save to disk. (Google seems to have enabled a download option on youtube, but it is available only for US... wtf?)Anyway, I used the Download Helper plugin of firefox to download the video. But when I tried to play it with mplayer, the guy giving the lecture sounded like a chipmunk. I was unable to understand what he was saying since the voice was very high pitched and was like a tape being forwarded, but when I played it on youtube, it sounded fine.
So after checking out a number of other players at my disposal (which was none :), I decided to google to figure out what the problem was. A guy on the mplayer forums had the perfect solution - use the opensource project scaletempo's audiofilter like below
mplayer -af scaletempo
This worked like a charm, and the videos are playing great now.
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