pfarrell;495433 Wrote: > Mnyb wrote: > > If SOX would make 16/48 out of 24/96 instead of 24/48 I'm sure one of > > those paranoid audiophiles would have cried foul in the audiphile > > section ;) > > Making 16/48 out of 24/96 is trivial, any embedded processor can do > that, just throw away every other sample, and truncate them all to 16 > bits using a shift-right by eight instruction. > > Converting 24/96 to 16/44.1 or even 24/44.1 is a different matter > completely. Doing it "right" is not just simple division. > > -- > Pat Farrell > http://www.pfarrell.com/
But it is doing 24/48 right ? btw should you not use dithering of some kind when going 24>16 ? truncation is simple but i think they use more finesse these days . And SOX is not just throwing away every other sample either, that was what the SB3 did internally that would get you aliasing problems ? and other problems to ? some filtering must be done to ensure no content above 1/2 the target sample rate exist when lowering the sample rate . I have no clue to what sox sample rate conversion algorithm is btw, but I'm sure it is a lot more than throwing 1/2 of the samples away otherwise it would not use 70% of my cpu on my 1,2gHz server ,. So it must employ some kind of digital filter to I think . -- Mnyb -------------------------------------------------------------------- Main hifi: SB3 (soon to replaced by a Touch :) It is on preorder) Bedroom/Office: Boom Kitchen: Receiver (soon to be replaced by my SB3 and the SBRto be stuffed in a box in the attic ) I use a Controller various ir-remotes and a Eee-PC with squeezeplay to controll this ------------------------------------------------------------------------ Mnyb's Profile: http://forums.slimdevices.com/member.php?userid=4143 View this thread: http://forums.slimdevices.com/showthread.php?t=72414 _______________________________________________ discuss mailing list discuss@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/discuss
