Tag: acoustics
Amar G. Bose: 6.312 Lecture 06—Standing Wave Reflection
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Topics include: pressure standing wave reflection; simple sources and arrays; radiation impedance. Recorded: Sept. 26, 1995.
Amar G. Bose: 6.312 Lecture 12—Resistance and Acoustical Circuits
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Topics include: resistance, resistive elements; transformers; anechoic chamber; acoustical circuits; Kirchhoff's laws: KVL and KCL; Helmholtz resonator. Recorded: Oct. 19, 1995.
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 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.
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 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 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 04—Sinusoidal Examples
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Topics include: one-dimensional wave case; sinusoidal case; exponential building block; characteristic impedance of the medium; transmission line equations. Recorded: Sept. 19, 1995.
Amar Bose: 6.312 Lecture 24—Air Absorption and Psychoachoustics
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Topics include: air absorption; architectural acoustics; psychoacoustics; digital signals; sampling process; convolution; square waves; all-pass network; experiments with acoustical instrument musicians; RCA experimen...
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...
