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"text": "Noise: Measurement[p12.1.1] [p12.1.2]",
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"text": "The[p12.2.1] indicator is an average sound pressure level over all days, evenings and nights in a year (EEA, 2010). This compound indicator was adopted by the EU in the END (EC, 2002a). The[p12.2.2] in decibels (dB) is defined by a specific formula, where:",
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"text": "[p12.3.1.1] is the A-weighted long-term average sound level as defined in ISO 1996-1: 2016, determined over all the day periods of a year;",
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"text": "L_{day}\\text{ is the A-weighted long-term average sound level as defined in ISO 1996-1: 2016, determined over all the day periods of a year;}\\\\L_{night}\\text{ is the A-weighted long-term average sound level as defined in ISO}",
"attrs": {
"latex": "L_{day}\\text{ is the A-weighted long-term average sound level as defined in ISO 1996-1: 2016, determined over all the day periods of a year;}\\\\L_{night}\\text{ is the A-weighted long-term average sound level as defined in ISO}",
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"alt": "L sub day is the A minus weighted long minus term average sound level as defined in ISO 1996 minus 1: 2016, determined over all the day periods of a year; L sub night is the A minus weighted long minus term average sound level as defined in ISO",
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"text": "i[p12.3.2.1]s the A-weighted long-term average sound level as defined in ISO 1996-1: 2016, determined over all the evening periods of a year; and",
"marker": "•",
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"text": "\\mathbf{L}_{evening}",
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"text": "L_{night} is the A-weighted long-term average sound level as defined in ISO 1996-1: 2016, determined over all the night periods of a year (ISO, 2016).",
"marker": "•"
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"text": "The a[p12.3.4.1]ccording to the definition in the END, is an equivalent outdoor sound pressure level, measured at the most exposed façade, associated with a particular type of noise source during night time (at least eight hours), calculated over a period of a year (WHO Regional Office for Europe, 2009)",
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"text": "(World Health Organization, 2024)."
}
],
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}