Digital filter selection

1. What are the 4 categories of digital filtering?
2. What are types of digital filter?
3. What is a DSD filter?
4. What are 3 advantages of digital filters?

What are the 4 categories of digital filtering?

There are two categories of digital filter: the recursive filter and the nonrecursive filter. These are often referred to as infinite impulse response (IIR) filters and finite impulse response (FIR) filters, respectively.

What are types of digital filter?

There are two fundamental types of digital filters: finite impulse response (FIR) and infinite impulse response (IIR).

What is a DSD filter?

The DSD format is an unfiltered stream of a 1-bit SD modulator, for high-quality playback of which you need to completely filter out the entire RF noise of the modulator, otherwise it will fold back on the non-linearities of the DACs and analog stage.

What are 3 advantages of digital filters?

Digital filters require only the arithmetic operations of addition, subtraction, and multiplication. Digital filters do not drift with temperature or humidity or require precision components. Digital filters have a superior performance-to-cost ratio. Digital filters do not suffer from manufacturing variations or aging.