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32 KHz
44.1 KHz
48 KHz
96 KHz
BIT DEPTH
number of bits used for each sample in each channel—the higher the bit depth, the better the
audio quality.
• 8‐bit sampling
Originally, multimedia audio used 8‐bit sampling = measurement of volume from 0‐255 for each
sample.
produces fairly poor quality audio
• 16‐bit sampling
current standard for audio distribution. Most modern codecs and all audio CDs use 16‐bit sampling
as well.
• 20‐bit sampling
used for professional audio recording to provide a better dynamic range than 16 bits
• 24‐bit sampling
rapidly becoming the standard for professional audio recording
provides more sonic detail than 16‐bit sampling
Common in broadband video
Audio CD
DVD, DAT
High‐end audio recording
Minimum for decent music
Music
Music
Music mastering
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