Re: Misc

From: Nicolas Welte (
Date: 1999-10-01 13:11:03

Marko Mäkelä wrote:
> On Fri, 1 Oct 1999, Nicolas Welte wrote:
> > But a C64 without a _fast_ hard disk will probably be even to slow to
> > supply the MP3 file at the needed speed. What are popular rates for
> > MP3s? 128 and 160kbit/s? A 1541 won't do this ;-)
> Doesn't it have a spare parallel port on one VIA?  Connect the MP3 player
> module to that port.  Then you could just do OPEN1,8,15,"P:FILE.MP3" to
> play a file while the rest of the system is available for other uses, like
> decoding JPEG files from another disk drive. :-)

Okay, maybe the speed of a 1541 is okay if data is directly read from
disk and then sent into the MP3 decoder. But how long would a 1541 disk
play for a 160kbit/s MP3? Ten seconds? I'm not even sure if a 1541 can
read _that_ fast from a disk. It's 300rpm with 35 tracks, so one track
needs 0.2s per revolution and all tracks need 7 seconds. The time for
stepping is not included yet, so this is just on the very edge of what a
1541 could do. But it would be pretty cool ;-) 

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