IIR and FIR Filters Laboratory

Example See Exercise # Filter Type Order Cut-off Frequency Sound Signal
1 1 FIR Low Pass 10 0.35 Speech with
High Frequency
2 2 & 3 IIR High Pass 10 0.55 Speech with
High Frequency
3 4 IIR Stop Band 3 0.4 & 0.5 Speech with
Tone at 2000Hz
4 4 IIR Stop Band 10 0.4 & 0.5 Speech with
Tone at 2000Hz
5 5 IIR Stop Band 10 0.3 & 0.4 Speech with
Tone at 1357Hz
6 6 IIR High Pass 3 0.6 FM Signal
7 6 IIR Low Pass 3 0.2 FM Signal
8 7 IIR Low Pass 8 0.5 FM Signal