ec_disable_tone.c File Reference

#include <inttypes.h>
#include <stdlib.h>
#include <math.h>
#include "spandsp/telephony.h"
#include "spandsp/biquad.h"
#include "spandsp/dds.h"
#include "spandsp/ec_disable_tone.h"

Functions
void	echo_can_disable_tone_tx_init (echo_can_disable_tx_state_t *s, int with_am)
	Initialse an instance of the echo canceller disable tone generator.
int	echo_can_disable_tone_tx (echo_can_disable_tx_state_t *s, int16_t *amp, int len)
	Generate a block of echo canceller disable tone samples.
void	echo_can_disable_tone_rx_init (echo_can_disable_rx_state_t *s)
	Initialse an instance of the echo canceller disable tone detector.
int	echo_can_disable_tone_rx (echo_can_disable_rx_state_t *s, const int16_t *amp, int len)
	Process a block of samples through an instance of the echo canceller disable tone detector.

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Detailed Description

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Function Documentation

int echo_can_disable_tone_rx	(	echo_can_disable_rx_state_t *	s,
		const int16_t *	amp,
		int	len
	)

Process a block of samples through an instance of the echo canceller disable tone detector.

Parameters:

	s	The context.
	amp	An array of signal samples.
	len	The number of samples in the array.

Returns:

The number of unprocessed samples.

void echo_can_disable_tone_rx_init

(

echo_can_disable_rx_state_t *

s

)

Initialse an instance of the echo canceller disable tone detector.

Parameters:

s

The context.

int echo_can_disable_tone_tx	(	echo_can_disable_tx_state_t *	s,
		int16_t *	amp,
		int	len
	)

Generate a block of echo canceller disable tone samples.

Parameters:

	s	The context.
	amp	An array of signal samples.
	len	The number of samples to generate.

Returns:

The number of samples generated.

void echo_can_disable_tone_tx_init	(	echo_can_disable_tx_state_t *	s,
		int	with_am
	)

Initialse an instance of the echo canceller disable tone generator.

Parameters:

s

The context.

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