(3) Music FIR filter experiment #1

Composite filter

Numeric values

First sub filter

Second sub filter

Composite filter

Corresponding approximate impulse response function (with delay)

First filter

Second filter

Composite filter

Corresponding frequency response

As a function of θ

As a function of

Convolve composite filter with music signal

Perform convolution

Listen to wav file

Click on the sound plot above to hear the speech signal.

Look at frequency content (spectrogram) of two wav files

Unfiltered sample

Filtered sample

Show both

Show one column of each spectrogram