Tag: acoustics
Amar G. Bose: 6.312 Lecture 09—Intensity, Generalized Elements
4.97K Views0 Comments1 Likes
Topics include: intensity; generalized elements; electrical and mechanical examples; Kirchhoff circuit laws; vector power, power factor; transformers; sources. Recorded: Oct. 5, 1995.
Amar G. Bose: 6.312 Lecture 04—Sinusoidal Examples
7.28K Views0 Comments8 Likes
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 27—Personal Reflections
29.31K Views0 Comments22 Likes
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 G. Bose: 6.312 Lecture 07—Simple Sources
5.90K Views0 Comments2 Likes
Topics include: simple sources; pulsating sphere, volume velocity; scattered wave; near fields; polar pattern and plots. Recorded: Sept. 28, 1995.
Amar G. Bose: 6.312 Lecture 11—Acoustical Elements
6.01K Views0 Comments1 Likes
Topics include: loop and node methods (review); mechanical circuits; acoustic elements; compliance, mass, resistance; three-node network. Recorded: Oct. 17, 1995.
Amar Bose: 6.312 Lecture 26—Acoustic Wave Technology
5.26K Views0 Comments1 Likes
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 20—Room Acoustics
4.92K Views0 Comments3 Likes
Topics include: room acoustics; regular and irregular rooms; tubes (1-D) and 2-D rooms; allowable frequency; normal modes. Recorded: Nov. 16, 1995.
Amar Bose: 6.312 Lecture 21—Normal Modes
4.56K Views0 Comments0 Likes
Topics include: 3-D rooms; distribution of normal modes; graphic equalizers; class demo with oscilloscope. Recorded: Nov. 21, 1995.
Amar G. Bose: 6.312 Lecture 18—Permanent Magnets
4.73K Views0 Comments1 Likes
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 17—Transformers and Magnetic Circuits
4.95K Views0 Comments1 Likes
Topics include: magnetic circuits; transformers; Lenz's Law; leakage flux. Recorded: Nov. 7, 1995.
