Title comm lecture.pdf ✅

Najmus Sakib, BUET (EEE-14) ; WhatsApp: 01892777317 • To talk to someone, to convey information to someone! • In engineering, communication is all about the science and tech behind getting information from point A to point B—clearly & reliably What is Communication?
Najmus Sakib, BUET (EEE-14) ; WhatsApp: 01892777317 • In engineering, Speech is the sound-wave that carries information! • Sound waves are longitudinal waves consisting of compression & expansion. • So, our speech is a sound wave with distinct frequencies. ➢Why not a single frequency? ➢Because different frequencies produce different kinds of sound. ➢Female voices are generally shriller than male. ➢This is due to women’s shorter & thinner vocal cord. ➢This also results in higher frequency! Speech – the basis of Communication