Answer to Question #62473 in Optics for vikas lohan

Question

give the limitations of video recording on magnetic media

Answer 1

Picture quality is poor and audio has quality is also not satisfactory, dropouts, flicker (brightness variations, fluctuations slower than the persistence of vision) and distortions are common in a magnetic tap, the direct contact between magnetic tape and video head results in degraded after repeated use, and frequent head cleaning is necessary to minimize scratching and tracking problems.