daisysp::SyntheticBassDrum Class Reference

Naive bass drum model (modulated oscillator with FM + envelope). More...

#include <synthbassdrum.h>

Public Member Functions
void	Init (float sample_rate)
float	DistortedSine (float phase, float phase_noise, float dirtiness)
float	TransistorVCA (float s, float gain)
float	Process (bool trigger=false)
void	Trig ()
void	SetSustain (bool sustain)
void	SetAccent (float accent)
void	SetFreq (float freq)
void	SetTone (float tone)
void	SetDecay (float decay)
void	SetDirtiness (float dirtiness)
void	SetFmEnvelopeAmount (float fm_envelope_amount)
void	SetFmEnvelopeDecay (float fm_envelope_decay)

Detailed Description

Naive bass drum model (modulated oscillator with FM + envelope).

Author

Ben Sergentanis

Date

Jan 2021 Inadvertently 909-ish.

Ported from pichenettes/eurorack/plaits/dsp/drums/synthetic_bass_drum.h
to an independent module.
Original code written by Emilie Gillet in 2016.

Member Function Documentation

DistortedSine()

float SyntheticBassDrum::DistortedSine ( float phase, float phase_noise, float dirtiness )

inline

Generates a distorted sine wave

Init()

void SyntheticBassDrum::Init

(

float

sample_rate

)

Init the module

Parameters

sample_rate

Audio engine sample rate.

Process()

float SyntheticBassDrum::Process

(

bool

trigger = false

)

Get the next sample.

Parameters

trigger

True triggers the BD. This is optional.

SetAccent()

void SyntheticBassDrum::SetAccent

(

float

accent

)

Sets the amount of accent.

Parameters

accent

Works 0-1.

SetDecay()

void SyntheticBassDrum::SetDecay

(

float

decay

)

Sets how long the drum's volume takes to decay.

Parameters

Works

0-1.

SetDirtiness()

void SyntheticBassDrum::SetDirtiness

(

float

dirtiness

)

Makes things grimy

Parameters

dirtiness

Works 0-1.

SetFmEnvelopeAmount()

void SyntheticBassDrum::SetFmEnvelopeAmount

(

float

fm_envelope_amount

)

Sets how much of a pitch sweep the drum experiences when triggered.

Parameters

fm_envelope_amount

Works 0-1.

SetFmEnvelopeDecay()

void SyntheticBassDrum::SetFmEnvelopeDecay

(

float

fm_envelope_decay

)

Sets how long the initial pitch sweep takes.

Parameters

fm_envelope_decay

Works 0-1.

SetFreq()

void SyntheticBassDrum::SetFreq

(

float

freq

)

Set the bass drum's root frequency.

Parameters

Frequency

in Hz.

SetSustain()

void SyntheticBassDrum::SetSustain

(

bool

sustain

)

Allows the drum to play continuously

Parameters

sustain

True sets the drum on infinite sustain.

SetTone()

void SyntheticBassDrum::SetTone

(

float

tone

)

Sets the overall bright / darkness of the drum.

Parameters

tone	Works 0-1.

TransistorVCA()

float SyntheticBassDrum::TransistorVCA ( float s, float gain )

inline

Transistor VCA simulation.

Parameters

s	Input sample.
gain	VCA gain.

Trig()

void SyntheticBassDrum::Trig

(

)

Trigger the drum

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

• Source/Drums/synthbassdrum.h
• Source/Drums/synthbassdrum.cpp