Tag: acoustics
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 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 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 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 G. Bose: 6.312 Lecture 13—Radiation Impedance
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Topics include: radiation impedance; spherical wave; piston in an infinite baffle; directivity. Recorded: Oct. 24, 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 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 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 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 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.
