PROPAGATION OF SOUND AND FACTORS AFFECTING IT 2.0 PROPAGATION OF SOUND Propagation of sound is the Transmission of Acoustic Energy through a medium via a sound wave. Sound is a sequence of waves of pressure, which propagates through compressible media such as air or water or solid. During their propagation, waves can be reflected,
ULTRASOUND. FIND OUT MORE. Sound can be low-pitched, like the rumble of a large truck, or high-pitched, like a whistle. The pitch of a sound depends on the frequency of its wave. Piano keys produce notes that increase in pitch from the left side of the keyboard to the right. We can hear sounds of different pitches, but there are some sounds we cannot hear. Our ears cannot detect very low-pitched noises, known as infrasound, or very high-pitched noises, called ULTRASOUND.
How Does Music Affect our life? Long years ago, William Shakespeare said âThe man that hath no music in himself, nor is not moved with concord of sweet sounds, is fit for treasons, stratagems and spoilsâ (413). Obviously, study shows that music can play with our mood, and it can even affect our daily life positively. For example, it can reduce our pain when we feel in a depression, ant it can solve some problems related to our health like insomnia.