Category: Amar G. Bose: 6.312 (Acoustics)
Amar G. Bose: 6.312 Lecture 07—Simple Sources
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Topics include: simple sources; pulsating sphere, volume velocity; scattered wave; near fields; polar pattern and plots. Recorded: Sept. 28, 1995.
Amar Bose: 6.312 Lecture 14—Transducers and Electro-Dynamic Speakers
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Topics include: transducer; magnetic example; equivalent circuit of electro-dynamic speaker. Recorded: Oct. 26, 1995.
Amar Bose: Lecture 23—Fields and Air Absorption
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Topics include: direct and reverberant fields; air absorption; experiences recording orchestras; localization; stories about patent trials. Recorded: Nov. 30, 1995.
Amar Bose: 6.312 Lecture 22—Mean Free Path and Reverberation
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Topics include: sound in large irregular rooms; mean free path; reverberation time; direct and reverberant fields; effects of environments on music and voice. Recorded: Nov. 28, 1995.
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.
Amar G. Bose: 6.312 Lecture 09—Intensity, Generalized Elements
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Topics include: intensity; generalized elements; electrical and mechanical examples; Kirchhoff circuit laws; vector power, power factor; transformers; sources. Recorded: Oct. 5, 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 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 17—Transformers and Magnetic Circuits
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Topics include: magnetic circuits; transformers; Lenz's Law; leakage flux. Recorded: Nov. 7, 1995.
Amar Bose: 6.312 Lecture 26—Acoustic Wave Technology
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Topics include: distortion; acoustic wave technology; reflections on the process of invention; active noise cancellation; Hilbert transforms; patents and the IPO; demonstration with Bose speaker. Recorded: Dec. 12, 1995.