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task library
built templatefundamental-calculationswith-tool

A Weighting

Calculates total unweighted and A-weighted sound pressure level from eight octave-band levels using fixed A-weighting corrections. The template makes the band corrections explicit so the task remains a deterministic logarithmic summation rather than a standards lookup exercise.

inputs

8 fields

context

2 archetypes

engine

with-tool

outputs

3 scored fields

contract fields

Parameter Map

8 inputs to 3 scored outputs

  • level_31_5_hz_db

    float

    31.5 Hz octave-band level

    0 to 140dB

  • level_63_hz_db

    float

    63 Hz octave-band level

    0 to 140dB

  • level_125_hz_db

    float

    125 Hz octave-band level

    0 to 140dB

  • level_250_hz_db

    float

    250 Hz octave-band level

    0 to 140dB

  • level_500_hz_db

    float

    500 Hz octave-band level

    0 to 140dB

  • level_1000_hz_db

    float

    1000 Hz octave-band level

    0 to 140dB

  • level_2000_hz_db

    float

    2000 Hz octave-band level

    0 to 140dB

  • level_4000_hz_db

    float

    4000 Hz octave-band level

    0 to 140dB
total_linear_level_dbtol 0.03

Logarithmic sum of unweighted octave-band levels

a_weighted_total_dbatol 0.03

Logarithmic sum after A-weighting corrections

a_weighting_adjustment_dbtol 0.03

Difference between A-weighted and unweighted total levels

visibility contract

Difficulty Ladder

all_giveneasy

All octave bands given for plant-room noise

all fields visible
all_givenmedium

All octave bands given across acoustic contexts

all fields visible
all_givenhard

All octave bands given for environmental noise

all fields visible

scenario bands

Archetype Atlas

plant_room_noise

2 contexts

Plant room octave-band noise spectrum

level_31_5_hz_db60 to 95
level_63_hz_db60 to 95
level_125_hz_db55 to 90
level_250_hz_db50 to 85

plant-room / mechanical-services-noise

environmental_noise

2 contexts

Environmental octave-band noise spectrum

level_31_5_hz_db35 to 75
level_63_hz_db35 to 75
level_125_hz_db35 to 70
level_250_hz_db35 to 70

environmental-noise / boundary-noise-assessment

rendered task

Generation Preview

environmental-noise-environmental-noise-preview

difficulty
hard
visibility
all_given
archetype
environmental_noise
site context
environmental-noise
instruction excerpta-weighting_calc.py

visible fields

  • level_31_5_hz_db35 to 75 dB
  • level_63_hz_db35 to 75 dB
  • level_125_hz_db35 to 70 dB
  • level_250_hz_db35 to 70 dB
  • level_500_hz_db30 to 65 dB
  • level_1000_hz_db30 to 65 dB
  • level_2000_hz_db25 to 60 dB
  • level_4000_hz_db20 to 55 dB

withheld schema

total_linear_level_dba_weighted_total_dbaa_weighting_adjustment_db
Environmental octave-band noise spectrum. environmental-noise. Required outputs: total_linear_level_db, a_weighted_total_dba, a_weighting_adjustment_db