daisysp::OnePole Class Reference

One Pole Lowpass / Highpass Filter. More...

#include <onepole.h>

Public Types
enum	FilterMode { FILTER_MODE_LOW_PASS , FILTER_MODE_HIGH_PASS }
	Operational modes of the filter. More...

Public Member Functions
void	Init ()
void	Reset ()
void	SetFrequency (float freq)
void	SetFilterMode (FilterMode mode)
float	Process (float in)
void	ProcessBlock (float *in_out, size_t size)

Detailed Description

One Pole Lowpass / Highpass Filter.

Author

beserge

Date

Dec 2023 Ported from pichenettes/stmlib/dsp/filter.h

to an independent module.
Original code written by Emilie Gillet.

Member Enumeration Documentation

FilterMode

enum daisysp::OnePole::FilterMode

Operational modes of the filter.

• LOW_PASS = cuts out high frequency sound, lets low frequency sound pass through
• HIGH_PASS = cuts out low frequency sound, lets high frequency sound pass through

Member Function Documentation

Init()

void daisysp::OnePole::Init ( )

inline

Initializes the module

Process()

float daisysp::OnePole::Process ( float in )

inline

Process audio through the filter

Parameters

in	The next sample to be processed

ProcessBlock()

void daisysp::OnePole::ProcessBlock ( float * in_out, size_t size )

inline

Process a block of audio through the filter

Parameters

in_out	Pointer to the block of samples to be processed
size	Size of the block of samples to be processed.

Reset()

void daisysp::OnePole::Reset ( )

inline

Reset the module to its default state

SetFilterMode()

void daisysp::OnePole::SetFilterMode ( FilterMode mode )

inline

Set the filter mode

Parameters

mode	Filter mode. Can be lowpass or highpass

SetFrequency()

void daisysp::OnePole::SetFrequency ( float freq )

inline

Set the filter cutoff frequency

Parameters

freq	Cutoff frequency. Valid range from 0 to .497f

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The documentation for this class was generated from the following file:

• Source/Filters/onepole.h