Lecture 32 of the NPTEL course on "Noise Control in Mechanical Systems", introduces passive noise control and the use of acoustic materials, focusing on sound barriers and absorbers. Lecture covers the classification, performance, and effectiveness of these materials, including transmission loss, noise reduction, and insertion loss.

Stay tuned as we uncover more about noise control techniques in upcoming lectures.

Course Name: "Noise Control In Mechanical Systems"

Course Instructor:
Prof. Sneha Singh
Department of Mechanical & Industrial Engineering,
Indian Institute of Technology, Roorkee.

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