Lecture 18 of the NPTEL course on "Noise Control in Mechanical Systems", introduces how humans hear and perceive sound, covering topics like what hearing is, how we measure loudness, and the scales used for loudness. It also explains A-weighting scales, the idea of pitch, and provides examples of common sounds and their frequency ranges.


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.

Enroll in the NPTEL Swayam portal for certification.

#iitroorkee #SnehaSingh #nptel #noisecontrol #mechanicalsystems #soundpower