Optical Recording on Disc | Digitization of audio signal | Playback Process | Compact Disc
15:04
Blu Ray Technology | CD Vs. DVD Vs. Blue Ray Disc | Lens & Layers in Blu Ray Technology
13:54
Optical Recording on Films | Variable Density Method & Variable Area Method to Record Sound
13:02
Optical recording and reproduction of sound
21:42
Baffles & Encloser in Loudspeakers | Necessity of Baffles in Loudspeaker | Hi-Fi system Loudspeaker
18:28
Pixels, Resolution & Bandwidth in TV (Basics, Standards, Aspect Ratio & Calculation) Explained
12:30
Electrodynamic Loudspeaker (Basics, Structure, Working, Application, Pros & Cons) Explained
39:03
Movies made sound with a light bulb: Sound-on-film
16:10