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Output SNR results to CSV.

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This commit is contained in:
Themaister 2012-05-08 12:55:12 +02:00
parent 3878e81ce4
commit bc604f5029
1 changed files with 5 additions and 2 deletions
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7
audio/test/snr.c
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@ -277,6 +277,7 @@ int main(int argc, char *argv[])
test_fft();
printf("Omega,SNR,Gain\n");
for (unsigned i = 0; i < sizeof(freq_list) / sizeof(freq_list[0]); i++)
{
unsigned freq = freq_list[i] * in_rate;
@ -299,8 +300,10 @@ int main(int argc, char *argv[])
struct snr_result res;
calculate_snr(&res, freq, in_rate / 2, output + fft_samples, butterfly_buf, fft_samples);
printf("SNR @ w = %5.3f : %6.2lf dB, Gain: %6.1lf dB\n",
freq_list[i], res.snr, res.gain);
//printf("SNR @ w = %5.3f : %6.2lf dB, Gain: %6.1lf dB\n",
// freq_list[i], res.snr, res.gain);
printf("%.3f,%.2lf,%.1lf\n", freq_list[i], res.snr, res.gain);
//printf("\tAliases: #1 (w = %5.3f, %6.2lf dB), #2 (w = %5.3f, %6.2lf dB), #3 (w = %5.3f, %6.2lf dB)\n",
// res.alias_freq[0] / (float)in_rate, res.alias_power[0],
// res.alias_freq[1] / (float)in_rate, res.alias_power[1],