02 December 2011

2011-11-20, Name That Frequency! Of Equal-tempered Musical Scales and Such


For those of you with a musical and/or mathematical bent (or maybe just plain *bent*!), here's an article I just posted on my website, http://chuckoates.com/
 .

"Have you ever wondered how the frequencies for musical notes are determined? It turns out that an exponential function, specifically 2^(n/12), is heavily involved in the modern 12-note chromatic equal tempered scale, successor to the old just-toned scale used before the time of J.S. Bach.

Here’s a link to a discussion of the equal tempered musical scale and its use in practical piano tuning, http://bit.ly/udaTpq
 , as well as Prof. Oates’s Excel spreadsheet investigating some of the formulas presented in the above discussion,http://chuckoates.com/CollegeAlgebra/Module-4/Musical-Scales,Just-toned-and-Equal-tempered.xls
 .

Enjoy! (My current College Algebra students will.) :^)

Chuck Oates's Website, Main Page
chuckoates.com
Last Updated: Sunday, 20 November 2011, 2250 hr CDT (GMT - 5:00), Version 9.55a: Added musical scales calculations and explanatory reference. --CLO

 ·  ·  · November 20 at 11:06pm

  • Akash Patel and Chetna Patel like this.

    • Chuck Oates You may need to tell your browser to Open the downloaded spreadsheet when you click on the last link above.
      November 20 at 11:07pm · 

    • Chuck Oates Another physics/math of music link:http://www.phy.mtu.edu/~suits/notefreqs.html
       .

      Frequencies of Musical Notes
      www.phy.mtu.edu

      November 20 at 11:32pm ·  · 

    • Chuck Oates For those of you deranged enough to care about accordion tunings, accordion reed ranks, and such (well, I never made any claim of sanity), see http://bit.ly/vL4n1J
       and possiblyhttp://bit.ly/s49v5a
       .

      For those of you who don't know what an accordion is (!), seehttp://bit.ly/viFEXS
       .

      A-musettedly yours,
      Chuck

      P.S. Yes, my (grand-)parents, bless their hearts, started me in my somewhat dubious musical career on a accordion when I was about 7. My left hand *still* doesn't work worth a hoot on a piano or an organ! %^0

      Give me the ubiquitous piano or let me rattle the windows with a pipe organ, electronically simulated or otherwise, but an accordion? Puleeease! dOb (ear protection emoticon)
      Accordion FAQ: Tuning
      www.cs.cmu.edu

      Note that throughout this article, I am only talking about tuning of the right-hand side of an accordion since typically there are no tuning variations encountered on the left-hand side of accordions.
      November 21 at 12:21am ·  · 

    • Chuck Oates Well, their hearts were definitely in the right place; it's just that there aren't a lot of polka party gigs these days, even on the Great Plains. Ja, ja, ja ... *shakes head*
      November 21 at 9:32am 
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29 November 2011

2011-11-29, A Little Age Discrimination?


May we have a little different twist on age discrimination please, maestro?  http://aarp.us/w1QnM4


If you don't think there's still age discrimination in hiring, you haven't applied for a job lately with 50-something, much less 60-something years showing on your resume (CV). Candidates in their twenties and thirties with one-tenth the qualifications and experience in academic advisement and other student services are hired over late 50s and early 60s candidates, who are often not even interviewed. I saw this happen to Sue three different times several years ago. She has literally decades of experience and relevant academic degrees (B.S. Ed. and M.Ed., including 200+ credits [400+ in European ECTS equivalents] worth of coursework, much of it post-M.Ed.). If she were the suing type, we'd be on Easy Street with the settlements.
Can a Company Lay Off Older Workers for Taking Medical Leave?
www.aarp.org
WellPoint Inc. settles age discrimination suit by establishing a fund for older workers who lost their jobs.
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2011-11-29, Resume vs. Résumé vs. Resumé vs. CV


If you need a good laugh, try on this Pain in the English thread on the topic of resume vs. résumé vs. resumé vs. CV (curriculum vitae):http://painintheenglish.com/case/193
 . It's absolutely hilarious.

BTW, I don't give a hoot how you accent "resume" in English or whether you know the difference between a resume and CV, unless you're applying for a job as an English professor or medical doctor, where resumes and CVs really are two different things. But don't you dare, by gosh, write a mathematical derivative in the dy/dt (Leibniz-ian) notation instead of the *obviously* correct and vastly superior y-dot (Newtonian) notation. ;^) *shakes head*

You may now resume writing your resume, although to do it you may have to wind your way through a maze into a strong head wind. :^) Just lead me to the lead mine, please!
Resume, resumé, or résumé? « Pain in the English
painintheenglish.com
What is the correct spelling of the thing that gets you a job and what is the name of the funny thing on top (grave or acute) of the the letter e?
 ·  ·  · 11 hours ago
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