Please, William, do not give such informations to living composers, As they Mighty use this Special physical sensations As apart of their Creations, perhaps. Who knows.
Regstes from South Brazil Hans Von meinem iPad gesendet Am 21.04.2011 um 15:03 schrieb [email protected]: > Sound waves have a lot to do with the medium they travel through. They > propagate at different speeds in different fluids. If you ever want to try > something amusing on an old horn, take a vial of tetrafluoroethane > (compressed > air duster can) and squeeze a bit into your horn, then play. DO NOT INHALE > THIS GAS. Breathe in well away from the instrument. You'll find a very > amazing pitch change as the gas changes from tetrafluoroethane to 'air'. > > If you can find a helium tank, try it out. If you can afford a sulfur > hexaflouride tank, also try it out. I've never done it, but from what I've > heard > it do to the human voice it could really give you a super low range ;) > > Just don't breathe those gases in without knowing the consequences - or how > to get sulfur hexaflouride out of your lungs. > > -William > > > In a message dated 4/21/2011 1:58:09 P.M. Eastern Daylight Time, > [email protected] writes: > > 1. Because sound waves travel faster the hotter the air column is. > > 2. I have no first hand experience with horns, but from my trombone > experiences > I know, that an instrument made out of thin gauge red brass is much more > sensitive to ambient temperature, especially during long rests, than > instruments > out of thicker gauge yellow brass. Thickness is a factor as is the heat > conductivity of the alloy. The thin gauge instrument then also will raise > in > pitch much sooner with continuous playing. > > 3. With the tuning fork the length of the branches is a factor, so that a > tuning > fork theoretically would flatten when heated. > > When metal string guitarists, as in rock bands, are going for an indoor > tune up > for for an outdoor evening concert with fixed pitch electronic keyboards, > then > they tune slightly flat. With the lower outdoor temperatures the metal > strings > will shrink thereby raising the pitch. > > Klaus > > > > ________________________________ > From: valerie wells <[email protected]> > To: horn list 2 memphis <[email protected]> > Sent: Thu, April 21, 2011 7:28:17 PM > Subject: [Hornlist] Temperature & pitch > > I would be grateful to anyone who even attempts to answer the following > questions for me. > > 1. Why does a warm horn play sharper than a cold horn? > 2. Would different alloys effect how much the pitch changes with > temperature? > 3. And finally, does a tuning fork go a little sharp when it's warmed? > > Thanks. > > Valerie > _______________________________________________ > post: [email protected] > unsubscribe or set options at > https://pegasus.memphis.edu/cgi-bin/mailman/options/horn/valkhorn%40aol.com > > _______________________________________________ > post: [email protected] > unsubscribe or set options at > https://pegasus.memphis.edu/cgi-bin/mailman/options/horn/hpizka%40me.com _______________________________________________ post: [email protected] unsubscribe or set options at https://pegasus.memphis.edu/cgi-bin/mailman/options/horn/archive%40jab.org
