Department of Mathematics & Statistics Calendar Week of December 3 - 9, 2007 Monday, December 3, 2007 1:30 PM MATH 126 Instructors Meeting 459 MSc 4:00 PM MATH 295H Presentation 400/210 MSc Dr. Craig L. ZIRBEL, BGSU "Sound, Pitch, Fourier Series, Music, and MP3 Files" ABSTRACT: Our perception of sound arises from pressure variations in the air next to our ears. These variations can be produced by sending an electronic signal to a stereo speaker. Sending a sinusoidal signal will produce a pure tone. Changing the frequency will change the pitch. Adding multiple sinusoidal signals will produce chords and more complicated sounds. The techniques of Fourier series allow us to decompose a sound into a sum of sinusoidal signals, and this allows us to modify the sound to remove "noise" or change the tone, like the bass and treble knobs on a stereo do. Digital audio formats like compact discs and mp3 files represent different ways of discretizing and storing these musical signals, and this will be explained briefly. Tuesday, December 4, 2007 2:30 PM Analysis Seminar 459 MSc Ian DETERS, BGSU "Cyclicity and synthesis of diagonal operators on the space of functions analytic on a disk of finite radius, Part 2" 3:45 PM Tenured/Tenure-Track Faculty Meeting 459 MSc TOPIC: Department Organization Document, continued Wednesday, December 5, 2007 3:30 PM Advisory Committee Meeting 458 MSc Thursday, December 6, 2007 10:30 AM MATH 122 Instructors Meeting 400 MSc 10:45 AM MATH 112 Instructors Meeting 459 MSc 2:30 PM Undergraduate Committee 400 MSc 3:45 PM Foundational Math Committee 400 MSc 4:30 PM Lattice Ordered Groups Seminar 459 MSc Friday, December 7, 2007 12:00 Noon **Calendar Information Due to Cyndi for the weeks of break -- December 10, 2007 - January 7, 2008** Saturday, December 8, 2007 Sunday, December 9, 2007 7:00P - 9:00P KME Study Session 459 MSc
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