can bayar
/
mfcc_test_1
andac icin mfcc
Diff: main.cpp
- Revision:
- 0:534d6a8e9c27
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Apr 29 19:57:04 2020 +0000 @@ -0,0 +1,40 @@ +#include "mbed.h" +#include "mfcc.h" + +#define SAMP_FREQ 16000 +#define MFCC_DEC_BITS 2 +#define FRAME_SHIFT_MS 40 +#define FRAME_SHIFT ((int16_t)(SAMP_FREQ * 0.001 * FRAME_SHIFT_MS)) +#define NUM_FRAMES 25 +#define NUM_MFCC_COEFFS 10 +#define MFCC_BUFFER_SIZE (NUM_FRAMES*NUM_MFCC_COEFFS) +#define FRAME_LEN_MS 40 +#define FRAME_LEN ((int16_t)(SAMP_FREQ * 0.001 * FRAME_LEN_MS)) + +DigitalOut led(LED1); + +int main() +{ + Serial pc (USBTX, USBRX); + pc.baud(9600); + + MFCC* mfcc = new MFCC(NUM_MFCC_COEFFS, FRAME_LEN, MFCC_DEC_BITS); + + q7_t* mfcc_buffer = new q7_t[NUM_FRAMES*NUM_MFCC_COEFFS]; + + int16_t* audio_data = new int16_t[FRAME_LEN*NUM_FRAMES]; + + //int32_t mfcc_buffer_head = (num_frames-recording_win)*num_mfcc_features; + int32_t mfcc_buffer_head = 0; + + for (uint16_t f = 0; f < FRAME_LEN * NUM_FRAMES; f++) { + mfcc->mfcc_compute(audio_data,&mfcc_buffer[mfcc_buffer_head]); + mfcc_buffer_head += NUM_MFCC_COEFFS; + } + + while(1) { + wait(1); // 1 second + led = !led; // Toggle LED + printf("%d.2", &mfcc_buffer); + } +}