When Each Matters in Everyday Noise
dB(A) vs dB(C): When Each Matters in Everyday Noise dB(A) vs dB(C): a quick, practical guide for everyday measurements. dB(A) vs dB(C): When Each Matters in Everyday Noise TL;DR: Use dB(A) for most everyday noise; add dB(C) when low-frequency or very loud sound is present (bass, machinery, live music) or when a standard specifies C-weighting….