Tag: acoustics
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 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 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 03—Waves, Vectors, Networks
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Topics include: vector wave equation derivation (cont.); timeline waves; complex vectors; waves and networks. Recorded: Sept. 14, 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 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 05—Reflection, Standing Waves, Network Synthesis
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Topics include: normal reflection; standing waves; lump parameter approximation; network synthesis. Recorded: Sept. 21, 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 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.
