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Old 07-13-2004, 22:09   #9 (permalink)
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MP3 files need a special mode of MMC, continuous data stream (or something like that). So there's no "time" for other apps to access the MMC - the MP3 processor (I think it's a special chip because C166 is too slow for that) needs full access.
For VMO files the data rate is much lower (16 kbps, MP3: 128 kbps and upwards). So I think the C166 has
1. full control about recording and playing,
2. doesn't need continouus reading/writing,
3. can compensate and manage MMC accesses by several processes, just like a multitasking system can manage CPU time.
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