Tag: acoustics
Amar G. Bose: 6.312 Lecture 18—Permanent Magnets
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Topics include: permanent magnets; omni vs. cardioid; first transatlantic cable; Norbert Wiener and first use of network synthesis; Kirchhoff's laws; magnetic materials and Alnico; future of electrical systems in auto...
Amar G. Bose: 6.312 Lecture 16—Speakers, Magnetics
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Topics include: speaker enclosures; magnetic circuits; resonant frequency; electrostatic speakers; reluctance. Recorded: Nov. 2, 1995.
Amar G. Bose: 6.312 Lecture 17—Transformers and Magnetic Circuits
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Topics include: magnetic circuits; transformers; Lenz's Law; leakage flux. Recorded: Nov. 7, 1995.
Amar G. Bose: 6.312 Lecture 19—Microphones
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Topics include: microphones; pressure sensitive and pressure-gradient (velocity) microphones; Prof. Ernst A. Guillemin (MIT professor of network theory); Maurice Maeterlink; proximity effect. Recorded: Nov. 14, 1995.
Amar Bose: 6.312 Lecture 25—Psychoacoustics (cont.)
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Topics include: psychoacoustics; localization of sound; Fletcher Munson curve; sensitivity to phase shift; Pinna pressure; sensitivity to distortion; Haas effect; spectral, spatial and temporal aspects of sound; maski...
Amar G. Bose: 6.312 Lecture 08—Energy in Sound Waves
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Topics include: arrays; polar pattern, polar plot; cardioid pattern; energy in sound waves; intensity; power flow. Recorded: Oct. 3, 1995.
Amar Bose: 6.312 Lecture 27—Personal Reflections
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Dr. Bose addresses students during the last class of the Fall 1995 semester. He first illustrates an experiment about sound deterioration and normal modes, using multiple re-recordings of a piece of music, a human voi...
Amar G. Bose: 6.312 Lecture 10—Duality
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Topics include: transducers; KCL and KVL equations; loop and node methods; duality; mechanical circuits. Recorded: Oct. 12, 1995.
Amar G. Bose: 6.312 Lecture 02—Wave Equations
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Topics include: one-dimensional wave equations; vector wave equations; their derivations; creative development processes to reach established results; comments on feature film "Stand and Deliver". Recorded: Sept. 12, ...
Amar G. Bose: 6.312 Lecture 11—Acoustical Elements
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Topics include: loop and node methods (review); mechanical circuits; acoustic elements; compliance, mass, resistance; three-node network. Recorded: Oct. 17, 1995.
