Tag: acoustics

Sort: Date | Title | Views | | Random
View:

Amar Bose: 6.312 Lecture 21—Normal Modes

4.55K Views0 Comments

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 08—Energy in Sound Waves

5.67K Views0 Comments

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 22—Mean Free Path and Reverberation

5.11K Views0 Comments

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 06—Standing Wave Reflection

5.82K Views0 Comments

Topics include: pressure standing wave reflection; simple sources and arrays; radiation impedance. Recorded: Sept. 26, 1995.

Amar Bose: 6.312 Lecture 24—Air Absorption and Psychoachoustics

4.48K Views0 Comments

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 16—Speakers, Magnetics

4.57K Views0 Comments

Topics include: speaker enclosures; magnetic circuits; resonant frequency; electrostatic speakers; reluctance. Recorded: Nov. 2, 1995.

Amar Bose: 6.312 Lecture 26—Acoustic Wave Technology

5.24K Views0 Comments

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 18—Permanent Magnets

4.71K Views0 Comments

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 03—Waves, Vectors, Networks

7.94K Views0 Comments

Topics include: vector wave equation derivation (cont.); timeline waves; complex vectors; waves and networks. Recorded: Sept. 14, 1995

Amar Bose: 6.312 Lecture 14—Transducers and Electro-Dynamic Speakers

5.45K Views0 Comments

Topics include: transducer; magnetic example; equivalent circuit of electro-dynamic speaker. Recorded: Oct. 26, 1995.