Rockbox General > Rockbox General Discussion

Does Rockbox support mp4 (aac) audio on the Sansa e200 series?

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cocopugg:
I just came across some mp4 (aac) songs and tried to play them on my Sansa, but they were playing sped up and skipping. Does Rockbox have a plugin that I'm not aware of to play mp4 on the Sansa? I've searched the forums but couldn't find the answer. Thanks to the Rockbox team for their great work!

Lear:
Sped up and skipping? Sounds like it could be HE-AAC, but not correctly identified as such. The speed thing could probably be fixed, but not the skipping, as the Sansa CPU isn't powerful enough (at least with the decoder we use).

cocopugg:
Thanks for your reply Lear. Is their a plugin I can try to see if it plays the files correctly? Thanks again.

saratoga:
You could load then in foobar2000 and check their properties.  If they say AAC+/AAC+v2/AAC-HE/AAC-PS then they can't be played on your Sansa due to lack of CPU speed.

cocopugg:

--- Quote from: saratoga on December 08, 2007, 12:02:45 PM ---You could load then in foobar2000 and check their properties.  If they say AAC+/AAC+v2/AAC-HE/AAC-PS then they can't be played on your Sansa due to lack of CPU speed.

--- End quote ---

Thanks Saratoga. I did just as you asked. Here is what it says in properties:
Sample Rates: 44100 Hz
Channels: 2
Codec: AAC
Codec Profile:AAC SBR
Bitrate 192kbps

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