Tag: acoustics
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.
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 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 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 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 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 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: 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 25—Psychoacoustics (cont.)
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Topics include: psychoacoustics; localization of sound; Fletcher Munson curve; sensitivity to phase shift; Pinna pressure; sensitivity to distortion; Haas effect; spectral, spatial and temporal aspects of sound; maski...
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.