Digital Signal Processing

Lab Homework 3, Due 4/20

Problem 1

If y2 is set to be

y2 = filter([1 -0.6], [1 -0.8], y1);

What is the property of this filter?

Problem 2

In Lab 1, the sounds can be input.

alligators.wav, bird.wav, piano.wav

(a) Try to obtain the wav files after the lowpass filters.

(b) Try to obtain the wav files after the highpass filters.

ftp your homework to

ftp://signalstud@140.127.208.168 (New FTP site)

in the directory 數位訊號處理\HW3

by the following format:

檔案名稱：hw#_學號.zip

例如：資工同學，作業3

檔案名稱：hw3_a09355xx.zip

The password is given in class.