Rodney_Gold;539292 Wrote: > The only real value of attenuating a 16 bit signal in the digital domain > at 24 bits is that you do not get truncation distortion , you can still > work in the 24/36/48 bit domain even tho most audio equipment cannot > resolve more than 21 bits due to component thermal noise etc. You don't > get 8 bits "free" when working in the 24 bit domain , you merely get > more bits to store the results of DSP > For EG if you take the no 23 , you need "2 bits/spaces" to store it , > divide it by half and you get 11.5 , which needs "3 bits" - if you only > have 2 bits you can either store 11 or 12 - both of which are wrong - > this is a very simplistic expalantion ,b ut you get the point. > Whether you hear the effects of DSP on the attenuated signal is > dependant on a lot of things - so those that can - well don't use > digital attenuation. ...except that SB carefully avoids this for 16bit source material by adjusting the level in 24bits in 1/256 steps. No resolution is lost in arithmetic terms. Closer to the noise floor, yes. Lost resolution, no.
See http://forums.slimdevices.com/showthread.php?t=75006 and http://forums.slimdevices.com/showthread.php?t=28834 K -- KMorgan ------------------------------------------------------------------------- Sorry, can't spare enough hours today for that 5 min job on the computer. ------------------------------------------------------------------------ KMorgan's Profile: http://forums.slimdevices.com/member.php?userid=22838 View this thread: http://forums.slimdevices.com/showthread.php?t=77725 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/audiophiles
