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From: oster@dewey.soe.berkeley.edu (David Phillip Oster)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Sound Manager vs. Sound Driver
Message-ID: <33384@ucbvax.BERKELEY.EDU>
Date: 27 Dec 89 10:21:55 GMT
References: <33381@ucbvax.BERKELEY.EDU> <1989Dec26.235903.20138@santra.uucp>
Sender: usenet@ucbvax.BERKELEY.EDU
Reply-To: oster@dewey.soe.berkeley.edu.UUCP (David Phillip Oster)
Organization: School of Education, UC-Berkeley
Lines: 18

More adventures: My dialer routine worked fine on the IIcx, but when I
tried it on the plus, it would not dial correctly dial any number with a
'4' in it. So, I took a look at what Hypercard is doing:

1.) It uses sine waves.
2.) It uses slightly different frequencies than I calculated.
3.) It uses the old sound driver for its "dial" command and not the new
	Sound Manager, even though the Sound Manager documentation
	specifically says not to mix the old and new calls.
4.) It also does not dial correctly dial any number with a '4' in it on
	my MacPlus.
5.) It completely ignores Tech Note 19's guidelines on supressing clicking
in sound. But then, I gave a careful listen to the telephone I use every
day. The telephone clicks at the end of each tone too.

--- David Phillip Oster            --  No, I come from Boston. I just work
Arpa: oster@dewey.soe.berkeley.edu --  in cyberspace.
Uucp: {uwvax,decvax}!ucbvax!oster%dewey.soe.berkeley.edu