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It's not necessarily just that we can't hear above 20khz - recording above 44.1khz has its merits. For example, if you want to apply digital distortion or do am
by qmmmur 5y ago
It's not necessarily just that we can't hear above 20khz - recording above 44.1khz has its merits. For example, if you want to apply digital distortion or do amplitude modulation then up-sampling or having a high SR stops wrap around in the spectrum and getting all those nasty artefacts. The end user should never need to worry about this and it should be downsampled at the master.
- aidenn0 5y agoYou forgot the #1 reason for recording at high SR; using a lower order low-pass filter without affecting the audible range. Sharp digital low-pass filters have far fewer tradeoffs and better SNR than analog filters, so doing the anti-aliasing low-pass filter digitally has big advantages.