Lines Matching refs:sigma_x2
31 double sigma_x, sigma_x2;
135 p->sigma_x2 += d * d;
186 sigma_x2 = 0,
195 p->min_sigma_x2 = p->max_sigma_x2 = p->sigma_x2 / p->nb_samples;
202 sigma_x2 += p->sigma_x2;
216 av_log(ctx, AV_LOG_INFO, "RMS level dB: %f\n", LINEAR_TO_DB(sqrt(p->sigma_x2 / p->nb_samples)));
220 av_log(ctx, AV_LOG_INFO, "Crest factor: %f\n", p->sigma_x2 ? FFMAX(-p->min, p->max) / sqrt(p->sigma_x2 / p->nb_samples) : 1);
230 av_log(ctx, AV_LOG_INFO, "RMS level dB: %f\n", LINEAR_TO_DB(sqrt(sigma_x2 / nb_samples)));