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D/A converter resonably explained -
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Posted by Kyle [Email] (more from Kyle) on Mon, 14 Oct 2002 22:33:33 Share Post by Email
In Reply to: Need a new stero setup, what to get? PART 2, Brian, Mon, 14 Oct 2002 10:52:49
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OK...I'll try to explain this to the best of my abilities:

A D/A converter is a "Digital to Analog" converter, and every single CD (or DVD/MP3/Mini Disc) player has one.

A laser reads the digital information off of a CD. Before this digital information can be amplified, it must be converted to an analog signal. ALL amplifiers are analog. The quality of the digital to analog conversion has a large effect on the sound quality of the signal sent to an amplifier.

So a 24bit D/A converter extracts far greater resolution from a CD than a 1bit converter. The result is a sound that is closer and more faithful to that of the original recording.

A good analogy is the bit rate given to the colors that you see on your computer screen. For example, lets compare "4bit" color to "32bit" color.

The highest quality available is "32bit" color (which is also called "true color"), which corresponds to an available pallate of approximately 16.7 million different colors.

Whereas "4bit" color implies an availability of only 16 colors to work with.

So, if you're displaying a picture of a person's face on the screen, obviously the picture will seem more realistic if the color pallate is 16 million colors rather than only 16.

The difference between a 1bit and 24bit D/A converter is not so drastic, yet it is significant. All other things being equal, a CD player with a 24bit converter will sound noticeably better than one with a 1bit coverter.

If sound quality is important to you, then you should consider this factor when you purchase a head unit.

-Kyle
'91 9000T



posted by 24.60.14...


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