[vorbis] 24/96 ?

[Moritz Grimm]

> : The 22.5kHz is a theoretical limit anyways. I wonder if there's any
> : human who can successfully ABX a piece of music that's brickwalled at
> : 18kHz. Technical details have little in common with human perception,
> Regardless of human hearing above 18kHz, harmonic overtones in that range
> can have interference effects on sound in the audible range.

When downsampling from, e.g. 96kHz down to 44.1kHz as the final step in
a master, all frequencies above 18-20 kHz should and will be filtered by
the sample editor before actually downsampling the sample. A lowpass
(and/or anti-aliasing filters, dunno what these do and whether that's
the same as lowpass or not) is what takes care of this.

<p>Moritz


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