Equalization filter in digital communication

1. What is equalization in digital communication?
2. What is the function of equalizing filter?
3. What is the use of equalization?

What is equalization in digital communication?

In telecommunication, equalization is the reversal of distortion incurred by a signal transmitted through a channel. Equalizers are used to render the frequency response—for instance of a telephone line—flat from end-to-end.

What is the function of equalizing filter?

A.

Filters and Equalizers process sound in the frequency domain, and as a result they are used to modify the spectrum of the sound, that is, its frequency content, and hence its timbre.

What is the use of equalization?

The equalization process sets the property tax base for the county and helps to ensure that property taxes are levied in a fair and equitable manner.