the audience with one of those sample rates, interesting side effects. As a digital system less harsh high-end sound, passing over this
no? Why do I care about 96kHz then? Here are receives an input of frequencies above its trouble frequency range entirely.
the top three reasons why: limit to accurately handle, a sort of ‘phantom
1.) HEARING IS BELIEVING.
waveform’ is introduced. These phantom TRANSIENTS:
sounds would find their way into the mix (pun Another significant benefit of 96kHz is improved
intended) as an ‘alias’, so an ‘anti-aliasing’ filter reproduction of transient sounds like the initial
Anti-aliasing: Just because human hearing (essentially a low-pass filter) is needed in order crack of a snare drum or percussive strum of an
tops out at 20kHz doesn’t mean that sounds to exclude these frequencies. At 44.1kHz, a acoustic guitar. Because of the higher sampling
don’t occur above 20kHz. Ask a bat about steep slope is needed and this often results in resolution, fast transients are reproduced more
the existence (and importance) of ultra-high an audible anomaly and harshness, effectively accurately. If you liked the Nyquist-Shannon
frequencies. Or check with the dog whistle smearing the high end. In live situations, this Theorem referenced before, then you’ll love
industry. Clearly frequencies above 20kHz effect could be readily apparent with close- the Fourier transform that works to explain this
occur and have an impact in the world. In mic’d high brass or cymbals or strings. With benefit, shown below.
our digital audio mixing case, these ultra- higher sample rates, the low-pass slope is high frequencies can cause some particularly much less extreme and allows for a rounder or
June 2019
Make sure that you carry the 2... In layman’s
Subscribe for Free...
197