----- Original Message ----- From: Richard Brekne <Richard.Brekne@grieg.uib.no> To: Pianotech <pianotech@ptg.org> Sent: Sunday, January 05, 2003 6:44 AM Subject: Re: Excel beeps > Why would you want to go to the trouble of doing all this when all you > need is a simple wave generator. > I need sixteen simple wave generators that can be called up by or through a data base and mixed at least according to partial number and intensity. > Download WavGen21 at http://www.netstudio.com.au/cyberhome/download.htm Good download for a single sound. > and you will be able to do all the things you mention below with ease. If I can get sixteen of these into a data base and mix them how I want I will share the profits with you..... ---rm > You can put as many sign signals together as you want, each at their own > frequency, and each at their own individual volume. You can simulate all > kinds of beating effects this way. Not pretty sounding things, but you > can hear beating effects as clearly as is possible. > > Sign signals made audible will result in audible overtones, but they are > very quite compared to what we get out of pianostrings. > > RicB > > Richard Moody wrote: > > > > I have wondered if a data base can be used to call up two or four > > sounds at once. If I remember right old BASIC used to have four > > sounds. > > If there is a data base that allows sounds that would be a head > > start. If there were a data base of sounds that would be even > > better. > > > > If it is possible for a data base to call up 16 sine sounds at > > once I would be interested in that!! > > > > For creating beat rates I don't know why it can't be done by > > using the actual frequencies. Of course they would have to have > > the right partials, ie , for 3rds each tone would have to have the > > 4th and 5th partial. > > So the question returns to, if two pure sine sounds are played > > together, will beats result? Pure "sine sounds" means absence > > of upper partials. > > Or would the loudspeaker diaphragm or headphone speakers vibrate > > in partials also? ---rm > > > > tinfo/pianotech > > -- > Richard Brekne > RPT, N.P.T.F. > UiB, Bergen, Norway > mailto:rbrekne@broadpark.no > http://home.broadpark.no/~rbrekne/ricmain.html > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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