speex_echo.h File Reference

Echo cancellation. More...

#include "speex/speex_types.h"

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Defines
#define	SPEEX_ECHO_GET_FRAME_SIZE   3
#define	SPEEX_ECHO_SET_SAMPLING_RATE   24
#define	SPEEX_ECHO_GET_SAMPLING_RATE   25
#define	SPEEX_ECHO_GET_IMPULSE_RESPONSE_SIZE   27
#define	SPEEX_ECHO_GET_IMPULSE_RESPONSE   29
Typedefs
typedef SpeexEchoState_	SpeexEchoState
typedef SpeexDecorrState_	SpeexDecorrState
Functions
SpeexEchoState *	speex_echo_state_init (int frame_size, int filter_length)
SpeexEchoState *	speex_echo_state_init_mc (int frame_size, int filter_length, int nb_mic, int nb_speakers)
void	speex_echo_state_destroy (SpeexEchoState *st)
void	speex_echo_cancellation (SpeexEchoState *st, const spx_int16_t *rec, const spx_int16_t *play, spx_int16_t *out)
void	speex_echo_cancel (SpeexEchoState *st, const spx_int16_t *rec, const spx_int16_t *play, spx_int16_t *out, spx_int32_t *Yout)
void	speex_echo_capture (SpeexEchoState *st, const spx_int16_t *rec, spx_int16_t *out)
void	speex_echo_playback (SpeexEchoState *st, const spx_int16_t *play)
void	speex_echo_state_reset (SpeexEchoState *st)
int	speex_echo_ctl (SpeexEchoState *st, int request, void *ptr)
SpeexDecorrState *	speex_decorrelate_new (int rate, int channels, int frame_size)
void	speex_decorrelate (SpeexDecorrState *st, const spx_int16_t *in, spx_int16_t *out, int strength)
void	speex_decorrelate_destroy (SpeexDecorrState *st)

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Detailed Description

Echo cancellation.

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