Echo Effects

Functions
void	audioDisableEcho (void)
	Disable echo for all voices.
void	audioEnableEcho (u8 voiceMask)
	Enable echo for specific voices.
void	audioSetEcho (u8 delay, s8 feedback, s8 volumeL, s8 volumeR)
	Configure echo parameters.
void	audioSetEchoFilter (const s8 fir[8])
	Set FIR filter coefficients for echo.

Detailed Description

Function Documentation

audioDisableEcho()

void audioDisableEcho

(

void

)

Disable echo for all voices.

audioEnableEcho()

void audioEnableEcho

(

u8

voiceMask

)

Enable echo for specific voices.

Parameters

voiceMask

Bitmask (bit 0 = voice 0, etc.)

audioSetEcho()

void audioSetEcho	(	u8	delay,
		s8	feedback,
		s8	volumeL,
		s8	volumeR
	)

Configure echo parameters.

Parameters

delay	Echo delay (1-15, delay_ms = value * 16)
feedback	Feedback amount (-128 to 127)
volumeL	Left echo volume (-128 to 127)
volumeR	Right echo volume (-128 to 127)

audioSetEchoFilter()

void audioSetEchoFilter

(

const s8

fir[8]

)

Set FIR filter coefficients for echo.

Parameters

fir	Array of 8 signed coefficients