2109 TNT Explosion Video - Horses, Paratrooper Plunge, Cats, and Zombie Horses.m4a

The sample rate is crucial to the sound quality. To better understand the importance of the sampling rate we need to have an understanding of the Nyquist–Shannon sampling theorem. In short it states that perfect reconstruction of a signal is possible when the sampling frequency is greater than twice the maximum frequency of the signal being sampled. So in the case of audio, since the humans can hear up to sounds of 20kHz, a 40kHz sample rate allows for perfect reconstruction of the original signal. Nevertheless the standard is not 40kHz but 44100 Hz as explained below.

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