#ifndef _MFCC_DATA_H_ #define _MFCC_DATA_H_ #include "arm_math_types.h" #ifdef __cplusplus extern "C" { #endif /***** DCT COEFFICIENTS FOR THE MFCC *****/ #define NB_MFCC_DCT_COEFS_CONFIG1 260 extern const float32_t mfcc_dct_coefs_config1[NB_MFCC_DCT_COEFS_CONFIG1]; /***** WINDOW COEFFICIENTS *****/ #define NB_MFCC_WIN_COEFS_CONFIG1 1024 extern const float32_t mfcc_window_coefs_config1[NB_MFCC_WIN_COEFS_CONFIG1]; #define NB_MFCC_WIN_COEFS_CONFIG2 512 extern const float32_t mfcc_window_coefs_config2[NB_MFCC_WIN_COEFS_CONFIG2]; #define NB_MFCC_WIN_COEFS_CONFIG3 256 extern const float32_t mfcc_window_coefs_config3[NB_MFCC_WIN_COEFS_CONFIG3]; /***** MEL FILTER COEFFICIENTS FOR THE MFCC *****/ #define NB_MFCC_NB_FILTER_CONFIG1 20 extern const uint32_t mfcc_filter_pos_config1[NB_MFCC_NB_FILTER_CONFIG1]; extern const uint32_t mfcc_filter_len_config1[NB_MFCC_NB_FILTER_CONFIG1]; #define NB_MFCC_NB_FILTER_CONFIG2 20 extern const uint32_t mfcc_filter_pos_config2[NB_MFCC_NB_FILTER_CONFIG2]; extern const uint32_t mfcc_filter_len_config2[NB_MFCC_NB_FILTER_CONFIG2]; #define NB_MFCC_NB_FILTER_CONFIG3 20 extern const uint32_t mfcc_filter_pos_config3[NB_MFCC_NB_FILTER_CONFIG3]; extern const uint32_t mfcc_filter_len_config3[NB_MFCC_NB_FILTER_CONFIG3]; #define NB_MFCC_FILTER_COEFS_CONFIG1 948 extern const float32_t mfcc_filter_coefs_config1[NB_MFCC_FILTER_COEFS_CONFIG1]; #define NB_MFCC_FILTER_COEFS_CONFIG2 473 extern const float32_t mfcc_filter_coefs_config2[NB_MFCC_FILTER_COEFS_CONFIG2]; #define NB_MFCC_FILTER_COEFS_CONFIG3 236 extern const float32_t mfcc_filter_coefs_config3[NB_MFCC_FILTER_COEFS_CONFIG3]; #ifdef __cplusplus } #endif #endif