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built templatefundamental-calculationswith-tool

Spl Log Sum

Calculates combined sound pressure level from three independent source levels using logarithmic addition. The template converts each dB value to linear acoustic energy, sums the terms, and converts back to dB for deterministic acoustic fundamentals checks.

inputs

3 fields

context

2 archetypes

engine

with-tool

outputs

3 scored fields

contract fields

Parameter Map

3 inputs to 3 scored outputs

  • source_1_spl_db

    float

    Sound pressure level from source 1

    20 to 130dB

  • source_2_spl_db

    float

    Sound pressure level from source 2

    20 to 130dB

  • source_3_spl_db

    float

    Sound pressure level from source 3

    20 to 130dB
total_linear_energytol 0.03

Sum of linear acoustic energy terms

combined_spl_dbtol 0.03

Combined sound pressure level

dominant_source_spl_dbtol 0.01

Highest individual source level

visibility contract

Difficulty Ladder

all_giveneasy

All parameters given for plant room sources

all fields visible
all_givenmedium

All parameters given across plant and industrial noise sources

all fields visible
all_givenhard

All parameters given for higher-level industrial noise sources

all fields visible

scenario bands

Archetype Atlas

plant_room_sources

2 contexts

Three mechanical plant sources in a plant room

source_1_spl_db65 to 95
source_2_spl_db60 to 90
source_3_spl_db55 to 85

hospital-plant-room / commercial-rooftop-plant

industrial_noise_sources

2 contexts

Three industrial process noise sources

source_1_spl_db75 to 110
source_2_spl_db70 to 105
source_3_spl_db65 to 100

water-treatment-plant / industrial-process-building

rendered task

Generation Preview

water-treatment-plant-industrial-noise-sources-preview

difficulty
hard
visibility
all_given
archetype
industrial_noise_sources
site context
water-treatment-plant
instruction excerptspl-log-sum_calc.py

visible fields

  • source_1_spl_db75 to 110 dB
  • source_2_spl_db70 to 105 dB
  • source_3_spl_db65 to 100 dB

withheld schema

total_linear_energycombined_spl_dbdominant_source_spl_db
Three industrial process noise sources. water-treatment-plant. Required outputs: total_linear_energy, combined_spl_db, dominant_source_spl_db