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Jun 8
Odeo Makes Chipmunks
I ran across a blog entry today by Randy Charles Morin (another Canuck - wOOt!)  about Odeo. Odeo offers a few podcasting services and amongst them is the option to record your podcast online via a Flash Applet, or upload an audio file recorded elsewhere.

Randy's complaint (and a LOT of other people, I might add) is that files that are uploaded to Odeo frequently make the podcaster sound like a chipmunk when played back. Randy has figured out the problem and commented that "Amazing that this bug has existed in Odeo for up to a year and hasn't been fixed".

I don't owe Odeo anything, but I feel obligated to point out that this isn't an Odeo issue - this is a Flash player issue. I don't know if it's a bug, per se, but it's a known issue that Flash players can only properly play back audio files recorded in a sample rate (see tip #4) that is a multiple of 11.025. From Creative Component:

The Macromedia Flash player has a problem playing files that are encoded at a rate that is not a multiple of 11.025 kHz. This effect is sometimes called the “chipmunk effect”: the file is played at double speed. To avoid this, encode MP3’s at 11.025 kHz 22.050 kHz or 44.100 kHz.

I always record at 22 or 44 kHz, so I've never noticed this problem but I'm well aware that a lot of other podcasters are running into this.

So let's all flame Macromedia and leave Odeo alone.

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