static int level_measurement_device_release(level_measurement_device_t *s)
{
fir_float_free(s->fir);
free(s->fir);
free(s);
return 0;
}
int main(int argc, char *argv[])
{
int f;
int i;
int16_t amp[8000];
int16_t value;
int signal;
float power[10];
tone_gen_descriptor_t tone_desc;
tone_gen_state_t tone_state;
awgn_state_t noise_source;
fir32_state_t line_model_d2;
fir32_state_t line_model_d3;
fir32_state_t line_model_d4;
fir32_state_t line_model_d5;
fir32_state_t line_model_d6;
fir32_state_t line_model_d7;
fir32_state_t line_model_d8;
fir32_state_t line_model_d9;
fir_float_state_t level_measurement_bp;
signal_load(&local_css, "sound_c1_8k.wav");
signal_load(&far_css, "sound_c3_8k.wav");
fir32_create(&line_model_d2,
line_model_d2_coeffs,
sizeof(line_model_d2_coeffs)/sizeof(int32_t));
fir32_create(&line_model_d3,
line_model_d3_coeffs,
sizeof(line_model_d3_coeffs)/sizeof(int32_t));
fir32_create(&line_model_d4,
line_model_d4_coeffs,
sizeof(line_model_d4_coeffs)/sizeof(int32_t));
fir32_create(&line_model_d5,
line_model_d5_coeffs,
sizeof(line_model_d5_coeffs)/sizeof(int32_t));
fir32_create(&line_model_d6,
line_model_d6_coeffs,
sizeof(line_model_d6_coeffs)/sizeof(int32_t));
fir32_create(&line_model_d7,
line_model_d7_coeffs,
sizeof(line_model_d7_coeffs)/sizeof(int32_t));
fir32_create(&line_model_d8,
line_model_d8_coeffs,
sizeof(line_model_d8_coeffs)/sizeof(int32_t));
fir32_create(&line_model_d9,
line_model_d9_coeffs,
sizeof(line_model_d9_coeffs)/sizeof(int32_t));
fir_float_create(&level_measurement_bp,
level_measurement_bp_coeffs,
sizeof(level_measurement_bp_coeffs)/sizeof(float));
for (f = 10; f < 4000; f++)
{
tone_gen_descriptor_init(&tone_desc,
f,
-10,
0,
0,
1,
0,
0,
0,
true);
tone_gen_init(&tone_state, &tone_desc);
tone_gen(&tone_state, amp, 8000);
for (i = 0; i < 10; i++)
power[i] = 0.0f;
for (i = 0; i < 800; i++)
{
signal = fir32(&line_model_d2, amp[i]);
power[0] += ((signal*signal - power[0])/32.0f);
signal = fir32(&line_model_d3, amp[i]);
power[1] += ((signal*signal - power[1])/32.0f);
signal = fir32(&line_model_d4, amp[i]);
power[2] += ((signal*signal - power[2])/32.0f);
signal = fir32(&line_model_d5, amp[i]);
power[3] += ((signal*signal - power[3])/32.0f);
signal = fir32(&line_model_d6, amp[i]);
power[4] += ((signal*signal - power[4])/32.0f);
signal = fir32(&line_model_d7, amp[i]);
power[5] += ((signal*signal - power[5])/32.0f);
signal = fir32(&line_model_d8, amp[i]);
power[6] += ((signal*signal - power[6])/32.0f);
signal = fir32(&line_model_d9, amp[i]);
power[7] += ((signal*signal - power[7])/32.0f);
signal = fir_float(&level_measurement_bp, amp[i]);
power[8] += ((signal*signal - power[8])/32.0f);
signal = amp[i];
power[9] += ((signal*signal - power[9])/32.0f);
}
printf("%d %f %f %f %f %f %f %f %f %f %f\n",
f,
sqrt(power[0])*LINE_MODEL_D2_GAIN,
sqrt(power[1])*LINE_MODEL_D3_GAIN,
sqrt(power[2])*LINE_MODEL_D4_GAIN,
sqrt(power[3])*LINE_MODEL_D5_GAIN,
sqrt(power[4])*LINE_MODEL_D6_GAIN,
sqrt(power[5])*LINE_MODEL_D7_GAIN,
sqrt(power[6])*LINE_MODEL_D8_GAIN,
sqrt(power[7])*LINE_MODEL_D9_GAIN,
sqrt(power[8]),
sqrt(power[9]));
}
awgn_init_dbm0(&noise_source, 1234567, -20.0f);
for (i = 0; i < 10; i++)
power[i] = 0.0f;
signal_restart(&local_css, 0.0f);
signal_restart(&far_css, 0.0f);
for (i = 0; i < SAMPLE_RATE; i++)
{
value = signal_amp(&local_css);
//value = awgn(&noise_source);
signal = fir32(&line_model_d2, value);
power[0] += ((signal*signal - power[0])/32.0f);
signal = fir32(&line_model_d3, value);
power[1] += ((signal*signal - power[1])/32.0f);
signal = fir32(&line_model_d4, value);
power[2] += ((signal*signal - power[2])/32.0f);
signal = fir32(&line_model_d5, value);
power[3] += ((signal*signal - power[3])/32.0f);
signal = fir32(&line_model_d6, value);
power[4] += ((signal*signal - power[4])/32.0f);
signal = fir32(&line_model_d7, value);
power[5] += ((signal*signal - power[5])/32.0f);
signal = fir32(&line_model_d8, value);
power[6] += ((signal*signal - power[6])/32.0f);
signal = fir32(&line_model_d9, value);
power[7] += ((signal*signal - power[7])/32.0f);
signal = fir_float(&level_measurement_bp, value);
power[8] += ((signal*signal - power[8])/32.0f);
signal = value;
power[9] += ((signal*signal - power[9])/32.0f);
}
for (i = 0; i < 10; i++)
power[i] = 0.0f;
for (i = 0; i < SAMPLE_RATE; i++)
{
value = signal_amp(&local_css);
//value = awgn(&noise_source);
signal = fir32(&line_model_d2, value);
power[0] += ((signal*signal - power[0])/32.0f);
signal = fir32(&line_model_d3, value);
power[1] += ((signal*signal - power[1])/32.0f);
signal = fir32(&line_model_d4, value);
power[2] += ((signal*signal - power[2])/32.0f);
signal = fir32(&line_model_d5, value);
power[3] += ((signal*signal - power[3])/32.0f);
signal = fir32(&line_model_d6, value);
power[4] += ((signal*signal - power[4])/32.0f);
signal = fir32(&line_model_d7, value);
power[5] += ((signal*signal - power[5])/32.0f);
signal = fir32(&line_model_d8, value);
power[6] += ((signal*signal - power[6])/32.0f);
signal = fir32(&line_model_d9, value);
power[7] += ((signal*signal - power[7])/32.0f);
signal = fir_float(&level_measurement_bp, value);
power[8] += ((signal*signal - power[8])/32.0f);
signal = value;
power[9] += ((signal*signal - power[9])/32.0f);
}
printf("%d %f %f %f %f %f %f %f %f %f %f\n",
0,
sqrt(power[0])*LINE_MODEL_D2_GAIN,
sqrt(power[1])*LINE_MODEL_D3_GAIN,
sqrt(power[2])*LINE_MODEL_D4_GAIN,
sqrt(power[3])*LINE_MODEL_D5_GAIN,
sqrt(power[4])*LINE_MODEL_D6_GAIN,
sqrt(power[5])*LINE_MODEL_D7_GAIN,
sqrt(power[6])*LINE_MODEL_D8_GAIN,
sqrt(power[7])*LINE_MODEL_D9_GAIN,
sqrt(power[8]),
sqrt(power[9]));
printf("%d %f %f %f %f %f %f %f %f %f %f\n",
0,
sqrt(power[0]),
sqrt(power[1]),
sqrt(power[2]),
sqrt(power[3]),
sqrt(power[4]),
sqrt(power[5]),
sqrt(power[6]),
sqrt(power[7]),
sqrt(power[8]),
sqrt(power[9]));
printf("%d %f %f %f %f %f %f %f %f %f %f\n",
0,
sqrt(power[0])/sqrt(power[9]),
sqrt(power[1])/sqrt(power[9]),
sqrt(power[2])/sqrt(power[9]),
sqrt(power[3])/sqrt(power[9]),
sqrt(power[4])/sqrt(power[9]),
sqrt(power[5])/sqrt(power[9]),
sqrt(power[6])/sqrt(power[9]),
sqrt(power[7])/sqrt(power[9]),
sqrt(power[8]),
sqrt(power[9]));
printf("%d %f %f %f %f %f %f %f %f %f %f\n",
0,
sqrt(power[0])*LINE_MODEL_D2_GAIN/sqrt(power[9]),
sqrt(power[1])*LINE_MODEL_D3_GAIN/sqrt(power[9]),
sqrt(power[2])*LINE_MODEL_D4_GAIN/sqrt(power[9]),
sqrt(power[3])*LINE_MODEL_D5_GAIN/sqrt(power[9]),
sqrt(power[4])*LINE_MODEL_D6_GAIN/sqrt(power[9]),
sqrt(power[5])*LINE_MODEL_D7_GAIN/sqrt(power[9]),
sqrt(power[6])*LINE_MODEL_D8_GAIN/sqrt(power[9]),
sqrt(power[7])*LINE_MODEL_D9_GAIN/sqrt(power[9]),
sqrt(power[8]),
sqrt(power[9]));
for (i = 0; i < (int) (sizeof(css_c1)/sizeof(css_c1[0])); i++)
printf("%d\n", css_c1[i]);
printf("\n");
for (i = 0; i < (int) (sizeof(css_c1)/sizeof(css_c3[0])); i++)
printf("%d\n", css_c3[i]);
signal_free(&local_css);
signal_free(&far_css);
fir32_free(&line_model_d2);
fir32_free(&line_model_d3);
fir32_free(&line_model_d4);
fir32_free(&line_model_d5);
fir32_free(&line_model_d6);
fir32_free(&line_model_d7);
fir32_free(&line_model_d8);
fir32_free(&line_model_d9);
fir_float_free(&level_measurement_bp);
return 0;
}