or find an old PC and control everything via serial port.
here we can find tons of old PCs (from XT to Pentium II) for about 100$... big deal
Sure it's bigger
OR you may decide to learn the ATA protocol and find some explanation here and there... it already hit my mind but i don't think it's really handy now as the memory cards (SD, USB) are quite cheap. Some MP3 decoder IC are also available for few bucks... so everything you need to be happy
http://www.vlsi.fi/
Bellow is an example of a Wav player.. OK OK OK it's not in PBP... sorry.
http://www.sfcompiler.co.uk/wiki/pmw...SDMMCWavPlayer
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