lecture 24 - music

lecture 24 - music - Announcements3/2/11 Prayer...

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Announcements 3/2/11 Prayer Term projects a. Proposals under review b. You can change your idea, but need to send me  a new proposal My office hours this week:  I’ll likely be in my lab,  room U130, just down the hall from normal office  hour location. Find me there. Exam 2 starts on Saturday Exam review session, results of voting: a. Friday 3:30 – 5 pm.  Room: C261 Next week: I’ll be out of town on Mon. You’ll have  Dr. Gus Hart as a substitute.  
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Tone “quality” Why does a trumpet playing 440 Hz  sound   different   than when I whistle the same  frequency? The wave: Spectrum Lab as oscilloscope The sounds have different ____________ … but both sounds have the same ____________ What does that imply about their Fourier  frequency components?
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Tone quality, cont. Spectrum Lab as frequency analyzer From unknown website
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Tone quality, cont. Odd-sounding instruments (“tonal percussion”:  bells, xylophone, tympani, etc. ) From http://web.telia.com/~u57011259/Bellspectra.htm
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Piano keyboard layout Half step: C to C-sharp (or, e.g. E to F) Whole step (C to D): ___ half steps Octave (C to C): ___ half steps Fifth (C to G): ___ half steps Fourth (C to F): ___ half steps
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lecture 24 - music - Announcements3/2/11 Prayer...

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