Human auditory system enables humans to hear sounds and is also responsible for the perception of pitch, loudness and timbre. The complex mechanism of hearing occurs when auditory system converts variations in the sound pressure level into neural impulses. The neural impulses resulting from informa
Read MoreSpeech is classified into three broad categories depending upon the nature of excitation of the vocal tract; voiced, unvoiced and plosive sounds. Voiced Sounds If excitation of vocal tract originate at glottis and is by periodic vibration of the vocal cord we have voiced speech like 'oh', 'eh'. Be
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This article discusses the mechanism of speech production in humans. Speech is the acoustic end product of formalized motions of the vocal apparatus. The vocal apparatus consists of the following parts: Lungs Trachea or windpipe Pharynx or throat cavity consists of nasal pharynx (above the v
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