Originally Posted by
rob2192
Dynamic range and resolution (more possible levels for each sample) which are probably beyond what the human ear can detect in most conditions. Bit depth in audio translates better to bit depth / number of colours in photography, there is a limit to what the ear / eye can detect.
Sample rate is more similar to pixel count.
Sticking with the camera analogy: a camera more pixels and more bits per pixels (colours) gives more detail in the image. However can you tell the difference especially on an HD screen which can't even display all those pixels.
Whats the point in having 24 bit audio files and converters if the speakers and room and the listeners ear don't allow the difference to be noticed. Most audio setups are akin to an HD screen, they are unable to truly reproduce the original material, but give a good enough version.
Remember CD audio is 44.1kHz 16 bit audio, mp3 files are lossy compressed so of lesser quality than CD.
24 bit can have advantages for recording, but few if any for playback. Until recently you couldn't even buy 24bit music.
To tell the difference between 16 and 24 bit you would need an incredible sound system playing loud enough to block out any background noise.
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