Category: Amar G. Bose: 6.312 (Acoustics)
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 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 13—Radiation Impedance
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Topics include: radiation impedance; spherical wave; piston in an infinite baffle; directivity. Recorded: Oct. 24, 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 G. Bose: 6.312 Lecture 15—Further Modeling
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Recorded: Oct. 31, 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 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 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 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 20—Room Acoustics
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Topics include: room acoustics; regular and irregular rooms; tubes (1-D) and 2-D rooms; allowable frequency; normal modes. Recorded: Nov. 16, 1995.