ASN8 - How does a CD player work: Difference between revisions

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[[Jodi Hodge|Back to my home page]]
[[Jodi Hodge|Back to my home page]]
These picks show what happens in time and frequency of the process CD player works digitally samples a ac signal.
These picks show what happens in time and frequency when a CD player digitally samples an ac signal. note that convolution in time will be multiplication in frequency and vise versa.


[[Image:x_continuous3.jpg]]<br>
[[Image:x_continuous3.jpg]]<math>^.\!</math>[[Image:Impulst.jpg]]=[[Image:x_discrete_a.jpg]]
[[Image:x_frequency1b.jpg]]<br>
[[Image:x_frequency1b.jpg|thumb]][[Image:Impulsf.jpg|thumb]]

[[Image:x_discrete_a.jpg]]<br>
[[Image:x_frequency2a.jpg]]<br>
[[Image:x_frequency2a.jpg|thumb]]
[[Image:x_frequency3a.jpg]]<br>
[[Image:x_frequency3a.jpg|thumb]]
[[Image:x_discrete_a.jpg]]<br>
[[Image:x_frequency4a.jpg|thumb]]

[[Image:x_frequency4a.jpg]]<br><br>

[[Image:p_t.jpg]]<br><br>

[[Image:x_step.jpg]]<br>
[[Image:x_discrete_a.jpg]]*[[Image:p_t.jpg]]'''*'''[[Image:lowpass_g_t.jpg]]=
[[Image:P_f.jpg]]<br><br>

⚫
[[Image:x_frequency5.jpg]]<br><br>
[[Image:lowpass_g_t.jpg]]<br><br>
[[Image:x_step.jpg]][[Image:P_f.jpg|thumb]]

⚫
[[Image:lowpass_G_f.jpg]]<br><br>
⚫
[[Image:x_frequency5.jpg|thumb]]

⚫
[[Image:lowpass_G_f.jpg|thumb]]

Latest revision as of 15:08, 21 December 2009

Back to my home page These picks show what happens in time and frequency when a CD player digitally samples an ac signal. note that convolution in time will be multiplication in frequency and vise versa.

X continuous3.jpgImpulst.jpg=X discrete a.jpg

X frequency1b.jpg
Impulsf.jpg
X frequency2a.jpg
X frequency3a.jpg
X frequency4a.jpg


X discrete a.jpg*P t.jpg*Lowpass g t.jpg=

X step.jpg

P f.jpg
X frequency5.jpg
Lowpass G f.jpg
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