However, for engineers, acoustic measurements, or regulatory compliance, dB SPL (often A-weighted) remains the standard because it’s physically measurable and repeatable. If you see a sone rating, trust it for subjective loudness comparison – but know it’s an estimate, not a direct measurement.
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However, for engineers, acoustic measurements, or regulatory compliance, dB SPL (often A-weighted) remains the standard because it’s physically measurable and repeatable. If you see a sone rating, trust it for subjective loudness comparison – but know it’s an estimate, not a direct measurement.