View source for ASN8 - How does a CD player work

[[Jodi Hodge|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.

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

[[Image:x_frequency2a.jpg|thumb]]
[[Image:x_frequency3a.jpg|thumb]]
[[Image:x_frequency4a.jpg|thumb]]



[[Image:x_discrete_a.jpg]]*[[Image:p_t.jpg]]'''*'''[[Image:lowpass_g_t.jpg]]=

[[Image:x_step.jpg]][[Image:P_f.jpg|thumb]]

 [[Image:x_frequency5.jpg|thumb]]

[[Image:lowpass_G_f.jpg|thumb]]