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- Path: sparky!uunet!destroyer!sol.ctr.columbia.edu!usc!cs.utexas.edu!gateway
- From: FELSON_ADJ@CCSUA.CTSTATEU.EDU
- Newsgroups: sci.electronics
- Subject: Software for touchtone generation; will it work?
- Date: 10 Nov 1992 11:47:54 -0600
- Organization: UTexas Mail-to-News Gateway
- Lines: 9
- Sender: daemon@cs.utexas.edu
- Message-ID: <921110124732.2381ce70@CCSUA.CTSTATEU.EDU>
- NNTP-Posting-Host: cs.utexas.edu
-
- Can a squarewave output be used to reliable generate
- touch tones? I'm planning on writing some machine code
- software for an HP48 calculator that would do the following:
- scan two sine wave tables ( or use two pointers into a single table )
- add the two together, and turn the speaker on whenever the sine
- is positive.
-
- This would be basically a cliped version of the dual done MTMF signal.
- Anyone know if this will be too distorted for the phone company to accept?
-