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To: James Connolly who wrote (7797)5/19/2000 2:00:00 PM
From: lkj  Respond to of 10309
 
Hi James,

I am pretty sure that the MP3 player and CD Walkman don't use VxWorks. The key in CD player is servo control. Sony has long mastered this using a nice tightly written routine with a timer interrupt. The MP3 player is either using a DSP or an ASIC in decoding MP3 music. In both cases, the designs are too simple to require an OS.

Regards,

Khan