CDPlayerJEW: Difference between revisions
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When an audio CD is recorded, the music has an infinite amount of data points and can be represented as a continuous function of time <math> x(t) </math>. Because a medium, such as a CD, has a finite amount of space, it will not be able to hold <math> x(t) </math> since it has an infinite number of points. Instead, the music is sampled at intervals to create a discrete function of time <math> x(nT) </math> where <math> n </math> is an integer and <math> T </math> is the period. |
When an audio CD is recorded, the music has an infinite amount of data points and can be represented as a continuous function of time <math> x(t) </math>. Because a medium, such as a CD, has a finite amount of space, it will not be able to hold <math> x(t) </math> since it has an infinite number of points. Instead, the music is sampled at intervals to create a discrete function of time <math> x(nT) </math> where <math> n </math> is an integer and <math> T </math> is the period. |
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<small>Principle author of this page: Jeffrey Wonoprabowo</small> |
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Revision as of 18:27, 10 November 2005
HW #8: Explain how a 2x oversampling CD player works.
A CD player reads a dicrete set of data off a CD. In short, a CD player takes this data and sends it through a digitla to analog converter, then through a low pass filter, and finally is output through speakers. A simple diagram illustrates this below.
(Figure 1 to be inserted)
When an audio CD is recorded, the music has an infinite amount of data points and can be represented as a continuous function of time . Because a medium, such as a CD, has a finite amount of space, it will not be able to hold since it has an infinite number of points. Instead, the music is sampled at intervals to create a discrete function of time where is an integer and is the period.
Principle author of this page: Jeffrey Wonoprabowo