# Class TDspLowpassFilter

Description | Hierarchy | Fields | Methods | Properties

## Unit

DDspFilter

## Declaration

`type TDspLowpassFilter = class(TDspBaseComponent)`

## Description

## Hierarchy

- TDspBaseComponent
- TDspLowpassFilter

## Overview

### Methods

| `procedure Init; override;`
| `procedure Reset; override;`
| `function Process(input: Single; channel: integer): Single; overload;`
| `function Process(input: Double; channel: integer): Double; overload;`

### Properties

| `property Frequency: Single read fFrequency write SetFrequency;`

## Description

### Methods

| `procedure Init; override;`

| `procedure Reset; override;`

| `function Process(input: Single; channel: integer): Single; overload;`

| `function Process(input: Double; channel: integer): Double; overload;`

### Properties

| `property Frequency: Single read fFrequency write SetFrequency;`

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