不韋 呂
Output the audio signal with filtering by graphic equalizer in the *.wav file on the SD card using onboard CODEC. SD カードの *.wav ファイルのオーディオ信号をグラフィック･イコライザを通して，ボードに搭載されているCODEC で出力する．
Dependencies: F746_GUI F746_SAI_IO SD_PlayerSkeleton FrequencyResponseDrawer
arm_fir_instance_q31 Struct Reference
Instance structure for the Q31 FIR filter. More...
#include <arm_math.h>
Data Fields | |
| uint16_t | numTaps |
| number of filter coefficients in the filter. | |
| q31_t * | pState |
| points to the state variable array. | |
| q31_t * | pCoeffs |
| points to the coefficient array. | |
Detailed Description
Instance structure for the Q31 FIR filter.
Definition at line 1101 of file arm_math.h.
Field Documentation
| uint16_t numTaps |
number of filter coefficients in the filter.
Definition at line 1103 of file arm_math.h.
| q31_t* pCoeffs |
points to the coefficient array.
The array is of length numTaps.
Definition at line 1105 of file arm_math.h.
| q31_t* pState |
points to the state variable array.
The array is of length numTaps+blockSize-1.
Definition at line 1104 of file arm_math.h.
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