1 Digital Signal Processing

2 Digital Signal Processing Topic 6: Filters-Introduction 1. Simple Filters 2. Ideal Filters 3. Linear Phase and FIR filter types

3 1. Simple Filters

4 FIR & IIR

5 Simple FIR Lowpass

6

7 deciBels

8

9 Simple FIR Highpass

10 FIR Lowpass and Highpass

11 Simple IIR Lowpass

12 Simple IIR Lowpass

13 Simple IIR Highpass

14 Highpass and Lowpass

15 Simple IIR Bandpass

16 Simple Filter Example

17 Simple IIR Bandstop

18 Cascading Filters

19 Cascading Filters

20 Cascading Filters

21 2. Ideal Filters

22 Ideal Lowpass Filter

23 Ideal Lowpass Filter

24 Practical Filter Specifications

25 3. Linear-phase Filters

26 Time reversal filtering

27 Linear Phase FIR Filters

28 Linear Phase FIR : Type 1

29 Linear Phase FIR : Type 1

30 Linear Phase FIR : Type 2

31 Linear Phase FIR : Type 2

32 Linear Phase FIR : Type 3

33 Linear Phase FIR : Type 3

34 Linear Phase FIR : Type 4

35 Linear Phase FIR : Type 4

36 4 Linear Phase FIR Types