ALAC 24/48
Mar 13, 2013 at 11:26 AM Post #2 of 4
It's a lossless file with a bit depth of 24 bit and a sample rate of 48kHz. Normal CD audio gets you 16 bit and 44.1kHz.
 
Bit depth determines the amount of dynamic range. 24 bit gives you 144dB, your standard 16 bit file gives you 96dB.
 
Sample rate determines the amount of frequencies that can be accurately reproduced. Cut the sample rate in half and that gives you your maximum frequency. So 48kHz sample rate gets you up to 24kHz.
 
Mar 13, 2013 at 10:33 PM Post #3 of 4
Quote:
What is ALAC 24/48 i know loss-less and Kbps so if you could compare and explain?

To go a bit further with this:  There are multiple lossless formats AIFF and FLAC and WAV along with Apple lossless.  AIFF has the lowest amount of compression.  If you Rockbox your iPod or other MP3 player 24/48 is the highest resolution you can play.  For me the 24bit is the important number bumping frequency up whether 44/ or 48 or 96 or above helps but the bit depth for me really pumps up the sound resolution.  
 

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