32 KHz

Common in broadband video

Minimum for decent music

 

 

 

44.1 KHz

Audio CD

Music

 

 

 

48 KHz

DVD, DAT

Music

 

 

 

96 KHz

High‐end audio recording

Music mastering

 

 

 

BIT DEPTH

Ænumber of bits used for each sample in each channel—the higher the bit depth, the better the audio quality.

• 8‐bit sampling

ÆOriginally, multimedia audio used 8‐bit sampling = measurement of volume from 0‐255 for each sample.

Æproduces fairly poor quality audio

• 16‐bit sampling

Æcurrent standard for audio distribution. Most modern codecs and all audio CDs use 16‐bit sampling as well.

• 20‐bit sampling

Æused for professional audio recording to provide a better dynamic range than 16 bits

• 24‐bit sampling

Ærapidly becoming the standard for professional audio recording

Æprovides more sonic detail than 16‐bit sampling

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Canon XL1 3CCD manual Dvd, Dat, BIT Depth