Support and General Use > Audio Playback, Database and Playlists

M4A - AAC pausing

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SebZ:
Hi, I recently copied over some songs from my friends iPod and all the songs were in Apple's M4A - AAC format.
I tried playing it and it will play for 1 second to 3 1/2 seconds, pause for 3 seconds then continute to play, then pause, etc.

While watching the 'NowPlaying' screen, the Hard Drive would be accsessed every time the song would pause.

What am I doing wrong?

Yotto:
Does it happen only with the AACs, or does it happen to all your music on your Rockbox once you did this?  If it's the former, is there any chance you set the "anti-skip buffer" to something huge?  Even if not, it may be worth trying to reset it to something like 5 or 15 seconds.

bk:
You didn't mention what player you use, however the AAC codec does not run in realtime yet on most devices.

Suicide_Guy:
I'm having the same problem with both .m4a and .aac files. I'm using the iAudio X5L with the 24/09/2006 daily RB FW. I checked my anti-skip buffer and it is set to 5s.

markun:
Some AAC optimizations were committed yesterday:


--- Quote ---Apply a bunch of simple AAC decoder optimizations. Biggest speedup is on ColdFire targets, but ARM targets benefits too. Allows realtime playback of some AAC files on Iriver targets (H1x0, H3x0). Remove support for some rarely used AAC profiles to reduce code size a bit.
--- End quote ---

Could you guys test if you still have this problem with the latest build?

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