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Subject: 
Re: Range of RCX sound production
Newsgroups: 
lugnet.robotics
Date: 
Thu, 19 Aug 2004 11:53:24 GMT
Viewed: 
1269 times
  
In lugnet.robotics, Brian Davis wrote:
In lugnet.robotics, Kevin L. Clague wrote:

I took a quick peek at Kekoa Proudfoot's (a legend in his
own time), description of the ROM image's sound routine.  If
you try a frequency greater than 20000, the ROM sound routine
plays a default sound (probably the click you hear).  Also
if you try a frequency less than 31Hz, you get the same default
sound.

   Wow! Thanks for verifying my ears <grin>. BTW, where is the Kekoa Proudfoot's
ROM description of this (is it on the Mindstorms Internals page, and I just
missed it)?

Here it is.

http://graphics.stanford.edu/~kekoa/rcx/#Rom


  So, even if the audio device [could handle higher] the
RCX ROM limits you.

   Thanks, and for what I had in mind, it was not worth hacking H8 code (I've
got enough problems managing a "high level" language like NQC!). Thank you once
again!

You're welcome,
Kevin



Message is in Reply To:
  Re: Range of RCX sound production
 
(...) Wow! Thanks for verifying my ears <grin>. BTW, where is the Kekoa Proudfoot's ROM description of this (is it on the Mindstorms Internals page, and I just missed it)? (...) Thanks, and for what I had in mind, it was not worth hacking H8 code (...) (20 years ago, 18-Aug-04, to lugnet.robotics)

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