audiomodule - delay_st.h

语音信号进行Fir滤波

#ifdef __ECC__
/* C Definitions */

struct CDelay_ST {
	float Input;
	float Output;
	float * Delay_Line;
	float * Pointer;
	int   Length;
	float Feedback;
	float Feedthrough;
};

int Setup_Delay_ST( struct CDelay_ST * C, int delay_size, int length, float feedback, float feedthrough, char * heap);
void Remove_Delay_ST( struct CDelay_ST * C );

float Delay_ST ( struct CDelay_ST * C );	
float xDelay_ST ( struct CDelay_ST * C, float input );	

#else 
/* Assembly Definitions */

#define Delay_ST_Input 0
#define Delay_ST_Output 1
#define Delay_ST_Delay_Line 2
#define Delay_ST_Pointer 3
#define Delay_ST_Length 4
#define Delay_ST_Feedback 5
#define Delay_ST_Feedthrough 6

#endif