You can figure it out based on the fact you know a previous or successive octive is twice down or up, and that the notes are in equal tempered chromatic scales. Here's a site; however. http://www.physlink.com/Education/askExperts/ae165.cfm Take care, Sina -----Original Message----- From: programmingblind-bounce@xxxxxxxxxxxxx [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Tyler Littlefield Sent: Tuesday, March 10, 2009 10:57 PM To: programmingblind@xxxxxxxxxxxxx Subject: Re: question for the music gurus:slightly programming related uh... how much is "appropriately?" Is there a range from a to b, b to c, etc? Thanks, Tyler Littlefield Web: tysdomain.com email: tyler@xxxxxxxxxxxxx My programs don't have bugs, they're called randomly added features. ----- Original Message ----- From: "Sina Bahram" <sbahram@xxxxxxxxx> To: <programmingblind@xxxxxxxxxxxxx> Sent: Tuesday, March 10, 2009 8:45 PM Subject: RE: question for the music gurus:slightly programming related > You could simply generate a sine wave at 440hz, which gives you concert A. > now that you have the A above middle C, simply increment and decrement > your > frequency appropriately to achieve the desired note. > > Take care, > Sina > > -----Original Message----- > From: programmingblind-bounce@xxxxxxxxxxxxx > [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Alex Hall > Sent: Tuesday, March 10, 2009 10:19 PM > To: programmingblind@xxxxxxxxxxxxx > Subject: re: question for the music gurus:slightly programming related > > A rest depends on the beat; it will be one full beat, so a slow > beat will have a longer rest than a fast beat. I usually just > pick seconds; so maybe I want 5 notes per second, which means my > beat is .8 seconds long, so my rest is .8 seconds. A measure > will be 3.2 seconds (4 beats). Each note, then, would be 200 > miliseconds, so a quarter note is 50 ms. I hope this makes > sense. > > Unfortunately, my note frequencies list has disappeared, but just > Google "musical note frequencies" or something like it. HTH! > > Have a great day, > Alex > >>----- Original Message ----- >>From: "Tyler Littlefield" <tyler@xxxxxxxxxxxxx >>To: <programmingblind@xxxxxxxxxxxxx >>Date sent: Tue, 10 Mar 2009 20:05:27 -0600 >>Subject: question for the music gurus:slightly programming > related > >>I got really bored earlier, and decided to mess with some musical > notes. >>I found a listing of wikipedia's notes, but the f frequency seems > to be off. >>Would anyone happen to have a list, somewhere of: 1: the > frequency of a full octive--I can just multiply by 2 or divide by > 2 to get higher/lower, and the duration for a full rest--I can > just divide again to get quarter/eighth etc. > >>Thanks, >>Tyler Littlefield >>Web: tysdomain.com >>email: tyler@xxxxxxxxxxxxx >>My programs don't have bugs, they're called randomly added > features. > > __________ > View the list's information and change your settings at > //www.freelists.org/list/programmingblind > > __________ > View the list's information and change your settings at > //www.freelists.org/list/programmingblind > __________ View the list's information and change your settings at //www.freelists.org/list/programmingblind __________ View the list's information and change your settings at //www.freelists.org/list/programmingblind