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Please someone answer this ASAP....

-Draw a block diagram of the MATLAB code below (program echo_intr.c)

echo_intr c 2 include audio.h volatile volatile int 16-t int 16-t audio-chR=0; audio-chL=0; 5 7 #define DELAY-BUF-SIZE 16000 8 #define GAIN 0.6f 9int16-t buffer [DELAY_BUF_SIZE] 10int16_t buf.ptr 0 12 void 12SHANDLER (void) 13 14int16_t delayed_sample; 15 int16 t audio_out_chL0; 16 17 audio IN 12s_rx); 18 audio chL -(audio IN & 0x0000FFFF) 19 audio chR((audio IN >>16)& 0x0000FFFF) 20 21 delayed_samplebuffer [buf-ptr]; audio out_chL delayed_sample + audio_chL buffer [buf-ptr] = audio-chL + delayed-sample*GAIN; buf-ptr- (buf-ptr+1)%DELAY-BUF-SIZE; 23 24 25 26 audio OUT-((audio chR <<16&0xFFFF0O00) 27 128-tx (audio-OUT) ; 28 29 30 int main (void) (audio out_chL & 0x0000FFFF) 32 audio init hz48000, mic.in, intr, I2S HANDLER) while (1) 34 Figure 11: Listing of program echo.intr.c

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