1_sound - Fundamentals of Music Technology Juan P Bello...

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Fundamentals of Music Technology
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Juan P. Bello Office: 409, 4th floor, 383 LaFayette Street (ext. 85736) Office Hours: Wednesdays 2-5pm Email: [email protected] URL: http://homepages.nyu.edu/~jb2843/ Course-info: Tuesdays 4.55-6.35pm (Studio F) E85.1801: Fundamentals of Music Technology Course materials at: http://www.nyu.edu/classes/bello/FMT.html
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Lectures tentative schedule Weeks 1-2 What is sound? Weeks 2-3 Hearing Week 4 Microphones Week 5 Loudspeakers Weeks 6-8 Mixers Week 7 Mid-term exam (30%) – October 20 Weeks 8-9 Cabling and Interconnection Weeks 10-11 Basics of digital systems Week 12 Communication\MIDI Week 13 MIDI code Week 14 MIDI sound control/synthesis Week 15 Final exam (30%) – December 15
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Demonstrations schedule Teaching Assistant: Langdon Crawford (demonstrations, assignments + teaching in week 8) Thursdays 4.55-6.10pm, Studio F Week 3: Wave propagation Week 5: Transducers Week 6: Mixers and signal flow Week 10: Building your own studio Week 12: Sampling and Quantization Week 14: MIDI and Synthesis 8 Assignments (weeks 1, 3, 5, 6, 8, 10, 11 and 12). Due a week later.
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Evaluation and Resources Mid-term exam = 30% Final exam = 30% Assignments = 40% Attendance and class participation All relevant information is (or will be published) on the class website - Please read it carefully and keep checking for updates. Assignments will be announced with sufficient time and published online Penalties will apply to delays Book: Francis Rumsey and Tim McCormick (2002). “Sound and Recording: An Introduction”, Focal Press. Further reading will be recommended as the course progresses. USE THE OFFICE HOURS (Wednesdays 2-5pm)
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What is sound? Juan P Bello
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Sound Sound is produced by a vibrating source that causes the matter around it to move. No sound is produced in a vacuum - Matter (air, water, earth) must be present! The vibration of the source causes it to push/pull its neighboring particles, which in turn push/pull its neighbors and so on. Pushes increase the air pressure (compression) while pulls decrease the air pressure (rarefaction) The vibration sends a wave of pressure fluctuation through the air Air particles
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Waves Waves can be longitudinal (the particles move in the same direction of the wave) or transversal (the particles’ movement is perpendicular to the wave’s direction) Longitudinal Transversal
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Sound waves (1)
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