but personally I'd like to see some 192khz music, and maybe even expand to a 32bit bit depth, but the holy grail would be 32bit DXD (aka 352.8Khz)
Real 32 bit is simply not possible, no hardware controller can deal with true 32 bit audio at high bitrate.
Even your computer , when you open en 32bit float, it wil ldump the last 8 bits and play 24 bits but sure not the full 32bit float.
Float means, and that's where it's good for, in case of mixing audio and adding effects of any sort, It can improve the 24 bit result cause part of the rubbish that would be there at real 32bit can be discarded.
DXD is still 24 bit but okay it can handle also 32 bit float but will rip the last 8 bits also.
I really doubt that 32 bit sound chips will come cause, lets be frankly, 24bit at 192kHz is still anno 2017 not widestream available.
Do they try? Sure but whatever the test, the digital noise is the biggest problem.
Even DXD with their 340kHps inject a higher digital noise in the audio file with as results a noise floor of unacceptable -70dB
And last, High sample rates are useless if the audio file is recorded ad far lower kHz.
Second problem, 24bit/192kHz are very big files so even then there is the risk that they compress the file
so back to more distortion.
24bit /192kHz is possible but only for very expensive equipment , huge storage spaces, and high quality forced cooled A/D convertors. Yes these can get quite hot.
Oh well, 24bit 96khz will be here still several years before the lossless plunge of 192kHz is taken.
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Bit depth is about dynamic range and not harmonics or tones. 16 bit is 96dB and 24 bit is 144db. Each bit is 6dB of dynamic range. Using too few bits can add quantization errors though.
Theoretical yes but practical?
Look at the real noise floor:
CD usual around -91db, 24 dB around -110 db
Only very expensive equipement reaches -130dB but sure no -144dB
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Before 16/44 and 24 /96 we were blessed with analog. What some have defined as true audio(without the needle or tape noise). 16Bit sounds are going to be less defined than 24Bit, if not via your ears than via math as 24bit support more harmonics and tones. Although 44khz sounds fine 48khz defines better siblence and highs. I find the 96/khz range really only revellent in mixing (coloring) multi-tracks of audio.As far as 192khz. I think a 30/32Bit@48/96Khz would be better BUT until we are capable of capturing a true sound wave digitally, we will always only have BITS of it. Speeding it up from 44 to 96 or even 196khz may improve the ability to hear more slight frequencies but it will always be a matter of how many BITS of info are available.
Analog okay, we had no choice but using Tape drives and LP's.
Their noise floor was far from great but their harmonics a blessing and analog to analog is no conversion.
CD: the problem is the 44.1kHz sample rate , some people with good hearing find them annoying.
The search for higher sample rates is going the wrong direction.
What happens at 96kHz and 192kHz, the master file can go instead of 20kHz to 30/40/50... kHz sonic range.
A dog or cat will sure not like this.
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Why waste time reading a BS article when it's obvious to anyone with a pair of functioning ears that 24/96 is better?
Well, if the original recording was made in 24bit/96 kHz then sure this will be better the CD audio.
Even when digital distortion becomes a first concern and good audio card can filter out this digital noise
but the card must support then 32bit float.
When we humans hear the most disortion ? At low volumes.
Now compare an original recording, then a remastering and again a remastered file.
They get louder and louder.
One negative point of digital, clipping above 0db (commercial devices)
Clipping means, pure DC is going to the loudspeakers , ok a fraction of a second but at loud volumes .....
in 2017 there is still too many CD mastered 16bit/44.1kHz up sampled on sale.
Therefore, I sure would not say that 24bit/96kHz is de-fact better cause they will never tell you in which format the original recording was.
Oh and, if the re-sample the analog source with 24bit/96kHz will this be better then the analog source?
Sure not.