- class unreal.LoudnessNRTCurveTypeEnum¶
Enumeration of available equal loudness curves. Loudness curves based on IEC 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications.
Loudness Curve A Weighting. Commonly used in environmental sound measurements. Best for low level sounds.
Loudness Curve B Weighting. Relative to “A”, gives more precedence to frequencies below 1kHz.
Loudness Curve C Weighting. Relative to “A” and “B”, gives more precedence to frequencies below 1kHz.
Loudness Curve D Weighting. Similar to “B” but with an emphasis on presence in the 2kHz-6KHz frequency range.
No loudness curve weighting.