Envelope follower

Typedefs
typedef struct SDTEnvelope	SDTEnvelope
	Opaque data structure for an envelope tracker object.
typedef struct SDTEnvelope	SDTEnvelope
	Opaque data structure for an envelope tracker object.

Functions
SDTEnvelope *	SDTEnvelope_new ()
	Object constructor. More...
void	SDTEnvelope_free (SDTEnvelope *x)
	Object destructor. More...
void	SDTEnvelope_setAttack (SDTEnvelope *x, double a)
	Sets the attack time. More...
void	SDTEnvelope_setRelease (SDTEnvelope *x, double r)
	Sets the release time. More...
double	SDTEnvelope_dsp (SDTEnvelope *x, double in)
	Signal processing routine. Call this function at sample rate to compute the filtered signal. More...

Detailed Description

One pole envelope follower, with independent attack and release times.

Function Documentation

double SDTEnvelope_dsp	(	SDTEnvelope *	x,
		double	in
	)

Signal processing routine. Call this function at sample rate to compute the filtered signal.

Parameters

[in]

in

Input sample

Returns

Output sample

void SDTEnvelope_free

(

SDTEnvelope *

x

)

Object destructor.

Parameters

[in]

x

Pointer to the instance to destroy

SDTEnvelope * SDTEnvelope_new

(

)

Object constructor.

Returns

Pointer to the new instance

void SDTEnvelope_setAttack	(	SDTEnvelope *	x,
		double	a
	)

Sets the attack time.

Parameters

[in]

a

Attack time, in ms

void SDTEnvelope_setRelease	(	SDTEnvelope *	x,
		double	r
	)

Sets the release time.

Parameters

[in]

r

Release time, in ms