week | date | (reading) | daily topics, links & demos | worksheets |
---|---|---|---|---|

1 | Sept 22 W | website | Periodic sounds, frequency, functions | funcs, soln |

23 Th X-hr | Resources page |
Tool session: using `audacity`
| ||

24 F | 2.3, 3.1-3.2, 5.4-5.4.2 | Pure tones, sinusoidal and circular motion. musical frequencies, addition formula (also here) | addn, soln | |

27 M | 3.3, 6.7 | Combining tones, beats, perfect intervals | zerocross | |

2 | 29 W | 2.8, 6.4.1 | HW1 due. Fourier series
(use this), the harmonic series, and the first of many auditory illusions
| |

30 Th X-hr | 2.8.3 | (catch-up lecture)
Spectrogram, partials
(touch tone info).
Using `praat`
| fourier | |

Oct 1 F | 2.8.3 | Classroom visit/discussion with
Kronos Quartet!
(have questions ready, listen to some of their music ahead of time)
| ||

2 Sa:
Performance by Kronos Quartet,
Hopkins center
| ||||

4 M | 3.6-3.9, 3.10.2-3.13 | Missing fundamental, Tuning systems (pythagorean, and just intonation) | pythag | |

3 | 6 W | 2.5, 3.10.1, Benson Ch. 4 | HW2 due. Complex
sounds:
perceived pitch (bells),
Helmholtz theory of dissonance | diss |

7 Th X-hr | - | Quiz 1
(answers, 30 mins, start at 12:00pm,
bring calculators)
| ||

8 F | (no lecture: Alex away)
| |||

11 M | 4.20, 7.4.6, 7.8 | Travelling waves, speed of sound, echoes, spacetime diagrams. | ||

4 | 13 W | 7.12 | HW3 due. Doppler effect
(applet) and the Hammond organ (Leslie)
| doppler |

15 F | 4.19.3-4.24.2 | Loudness and intensity,
decibels | dB | |

18 M | 1.2.2-4, 5.3, 8.1-8.3.1 | Sounds sources: oscillators | accel | |

5 | 20 W | 8.10.1 | HW4 due. Damping and
Q-factor. | decay |

21 Th X-hr | - | practise exam problem session (practise problems, 2007 exam [solutions], 2008 exam [solutions], flashcards) | ||

Midterm: Thursday
Oct 21, 6-8 pm, Steele 008 (solutions)
| ||||

22 F | Complex vibration modes of extended bodies (eg two masses, Chladni plates) | |||

25 M | 8.5-8.7.1 | Modes of an elastic string. Plucked strings. | hitbar | |

6 | 27 W | HW5 due. Damping and excitation of
strings, bowing.
| ||

28 Th X-hr | - | |||

29 F | 8.7.5 | Plucked and bowed strings. Pipe resonances. | ||

Nov 1 M | 8.7.4, 8.3.3 | More pipes, stretched partials, Helmholtz resonator. | openclosed | |

7 | 3 W | 8.9 | HW6 due. Resonance.
| |

5 F | this | Human voice: speech, formants, vowels, singing. sopranos, von Kempelen's machine. | ||

Colloquium talk by Kevin Short, UNH.
Wilder 104 (Physics building), Friday Nov 5, 3:30pm.
"A Mathematical Physicist at the Grammies?"
| ||||

8 M | 7.10, 7.13.2, 8.10.1, App.7 | Singing. Architectural acoustics: reverberation and early reflections. | ||

8 | 10 W | HW7 due.
Derive Sabine's formula. Ray reflection, method of images.
| ||

11 Th X-hr | Quiz 2 (35 mins, bring calculators) (answers)
| |||

12 F | 7.8, 7.11 |
Deadline to choose project topics.
Multiple images and lattices.
wave phenomena. | image | |

15 M | Interference and diffraction of waves. | |||

9 | 17 W | HW8 due. Human hearing: anatomy, frequency
sensitivity.
| ||

19 F | Human hearing: directional sensing, frequency masking. | direction | ||

22 M | electronic music recording and reproduction. sampling | sampling | ||

24 W - 28 Su: --------- Thanksgiving recess
---------
| ||||

29 M | - | Math in music composition, (Paganini 24th Caprice theme, Rachmaninov Rhapsody Op.43, inversion of melody) | groups | |

10 | Dec 1 W | - | Project Presentation Mini-Conference (in usual lecture slot) | |

2 Th X-hr | - | Finish Project Presentations. Exam review session. practise questions. 2007 final (solutions), 2008 final (solutions). | ||

Final Exam:
Sat Dec 4, 8-11 am, Steele 008. (solutions)
| ||||

Project write-ups due at my office, 5pm, Tues Dec 7. |