SphinxBase  5prealpha
fe_warp.h
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36 
37 #ifndef FE_WARP_H
38 #define FE_WARP_H
39 
40 #include "fe_internal.h"
41 
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45 #if 0
46 /* Fool Emacs. */
47 }
48 #endif
49 
50 #define FE_WARP_ID_INVERSE_LINEAR 0
51 #define FE_WARP_ID_AFFINE 1
52 #define FE_WARP_ID_PIECEWISE_LINEAR 2
53 #define FE_WARP_ID_EIDE_GISH 3
54 #define FE_WARP_ID_MAX 2
55 #define FE_WARP_ID_NONE 0xffffffff
56 
57 typedef struct {
58  void (*set_parameters)(char const *param_str, float sampling_rate);
59  const char * (*doc)(void);
60  uint32 (*id)(void);
61  uint32 (*n_param)(void);
62  float (*warped_to_unwarped)(float nonlinear);
63  float (*unwarped_to_warped)(float linear);
64  void (*print)(const char *label);
66 
67 int fe_warp_set(melfb_t *mel, const char *id_name);
68 
69 uint32 fe_warp_id(melfb_t *mel);
70 
71 const char * fe_warp_doc(melfb_t *mel);
72 
73 void fe_warp_set_parameters(melfb_t *mel, char const *param_str, float sampling_rate);
74 
75 uint32 fe_warp_n_param(melfb_t *mel);
76 
77 float fe_warp_warped_to_unwarped(melfb_t *mel, float nonlinear);
78 
79 float fe_warp_unwarped_to_warped(melfb_t *mel, float linear);
80 
81 void fe_warp_print(melfb_t *mel, const char *label);
82 
83 #define FE_WARP_NO_SIZE 0xffffffff
84 
85 #ifdef __cplusplus
86 }
87 #endif
88 
89 
90 #endif /* FE_WARP_H */
Base Struct to hold all structure for MFCC computation.
Definition: fe_internal.h:75