tpt_mfcc_q15.c File Reference

#include "tpt_math.h"

Include dependency graph for tpt_mfcc_q15.c:

Macros
#define	LOG2TOLOG_Q15   0x02C5C860
#define	MICRO_Q15   0x00000219
#define	SHIFT_MELFILTER_SATURATION_Q15   10

Functions
tpt_status	tpt_mfcc_q15 (q15_t *aOutData, const tpt_mfcc_instance_q15 *aFliter, q15_t *aInData, q31_t *aTmp)
	Compute the MFCC features from an input frame.

Macro Definition Documentation

LOG2TOLOG_Q15

#define LOG2TOLOG_Q15   0x02C5C860

MICRO_Q15

#define MICRO_Q15   0x00000219

SHIFT_MELFILTER_SATURATION_Q15

#define SHIFT_MELFILTER_SATURATION_Q15   10

Function Documentation

tpt_mfcc_q15()

tpt_status tpt_mfcc_q15	(	q15_t *	aOutData,
		const tpt_mfcc_instance_q15 *	aFliter,
		q15_t *	aInData,
		q31_t *	aTmp )

Compute the MFCC features from an input frame.

Parameters

[out]	aOutData	points to the output vector
[in]	aFliter	points to the filter instance
[in]	aInData	points to the input vector
[in]	aTmp	points to the temporary buffer

Returns

tpt_status