TagNoise 101(3)
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Common Sound Levels Reference Chart
Comparative chart showing outdoor and indoor noise levels in decibels, ranging from quiet rural areas to rock bands, with visual examples of common sound sources. Provides reference standards for understanding aircraft noise in context of everyday environments. -
SEL Sound Exposure Level and Energy Metrics
Technical diagram illustrating Sound Exposure Level (SEL), maximum sound level (Lmax), and sound energy distribution over time with 10dB reference intervals. Explains measurement methodology used to quantify instantaneous noise events from aircraft operations.