Language is a form of communication with which people communicate with each other. It consists of individual sounds which, when strung together, form words.
The frequency range for human speech is between 300 Hz and about 5 kHz. The sounds are between 10 ms and 50 ms long and consist of tones
in the specified frequency range.
Characteristic expressions in the loudness and frequency ranges produce the distinct and recognizable speech features. Speech encompasses only a small range of auditory characteristics.
This is characterized by the frequency range between 300 Hz and 5 kHz and a dynamic range of about 30 dB.