On Mon, 8 Sep 2008, Benj wrote: On Sep 8, 12:35 pm, "Kevin G. Rhoads" <kgrho...@alum.mit.edu> wrote: "tunneling"???!!! MIT's undergrad E&M course has a beautiful example they use as lecture demo -- two triangular prisms (imagine a cube cut along a face diagonal) of beeswax -- feed an RF signal from a horn into one face and have a pickup on the opposite. Then slowly
alcarruth wrote: It's easy to set up a spreadsheet to calculate this, or even do it with a calculator. Just remember that each succeeding semitone will be 1/17.817 lower than the tone above it. Start at the international standard pitch of A=440Hz.Divide that by 17.817 (should be about 24.696). Subtract that from 440 and you have 415.3, which is the pitch of Ab. Subtracting 1/17
On May 8, 12:51 pm, alcarruth <alcarr...@aol.com> wrote: It's easy to set up a spreadsheet to calculate this, or even do it with a calculator. Just remember that each succeeding semitone will be 1/17.817 lower than the tone above it. Start at the international standard pitch of A=440Hz.Divide that by 17.817 (should be about 24.696). Subtract that from 440 and you have 415.3, which
apa wrote: The room is slightly L shaped with 9 ft ceilings. I don't have the other dimensions with me, but it's around 1300 sqft. OK, that's a pretty big room. I'm not sure what the proper way to phrase this is, but here's a shot: The 40 Hz mode is @ 85db at time 0 and has decayed to 45dB in 1000 ms. Using the rough guideline that if you double the RT25 value you'll get the
On Sun, 6 Apr 2008 22:57:18 -0400, "Al E. Crocodile" <Al@CrocsBiteaHillBillyToday.com> wrote: And needs to learn how to delete authors that nothing they wrote is in the message <leroyblue@pillinor.net> wrote in message news:tt1jv351mi6aismktj0em4rhvqhuj15fpk@4ax.com... On Thu, 03 Apr 2008 09:32:39 -0800, Robert <robpar@netportusa.com> wrote: None of the following Shit.