Akira is 192khz, why not other movies?

[kingofgrills]

Originally Posted by Pirate King

I believe that the highest frequences that we can hear are normally between 16k and 20k. So, for those of you who know, because I don't, how could I hear any difference between 48k and 192k. I am sure there is a difference, perhaps someone can explain it. Thanks

192kHz is the sampling rate - not the upper frequency limit. I'm surprised at how often these things are confused.

BD4Life stated the case for 192kHz sampling really well above.