239 	if (length < 2 * na->nsamples)  in calculate_noise_one_period()
243 	for (i = 0, tmp = 0.0, shift = -1; i < na->nsamples; i++) {  in calculate_noise_one_period()
261 	for (i = 0; i < na->nsamples; i++)  in calculate_noise_one_period()
267 	for (i = 0, tmp = 0.0; i < na->nsamples; i++)  in calculate_noise_one_period()
269 	rms = sqrtf(tmp / na->nsamples);  in calculate_noise_one_period()
273 	for (i = 0; i < na->nsamples; i++)  in calculate_noise_one_period()
278 	for (i = 0, tmp = 0.0, residual = 0.0; i < na->nsamples; i++) {  in calculate_noise_one_period()
283 	tmp = na->rms_tgt / sqrtf(residual / na->nsamples);  in calculate_noise_one_period()
297 	int nsamples = (int) ceilf(bat->rate / freq);  in calculate_noise()  local
300 	int nsamples_per_section = nsamples * 2;  in calculate_noise()
302 	int nsection = bat->frames / nsamples - 1;  in calculate_noise()
304 	fprintf(bat->log, _("samples per period: %d\n"), nsamples);  in calculate_noise()
306 	na.source = (float *)malloc(sizeof(float) * nsamples);  in calculate_noise()
312 	na.target = (float *)malloc(sizeof(float) * nsamples);  in calculate_noise()
319 	err = generate_sine_wave_raw_mono(bat, na.target, freq, nsamples);  in calculate_noise()
323 	na.nsamples = nsamples;  in calculate_noise()
326 	for (i = 0, tmp = 0.0; i < nsamples; i++)  in calculate_noise()
328 	na.rms_tgt = sqrtf(tmp / nsamples);  in calculate_noise()
347 		offset += nsamples;  in calculate_noise()