Module: ISO_1996::Part_1_2016::Constants

Included in:
ISO_1996::Part_1_2016
Defined in:
lib/iso_1996/part_1_2016.rb

Overview

Constants defined in ISO 1996-1:2016 standard

Since:

  • 2025-07-13

Constant Summary collapse

REFERENCE_SOUND_PRESSURE =

Reference sound pressure (p₀) as defined in Section 3.1.1

Returns:

  • (Float) —

    20 μPa (20e-6 Pa)

Since:

  • 2025-07-13

20e-6
REFERENCE_TIME =

Reference time (t₀) for sound exposure level as defined in Section 3.1.8

Returns:

  • (Float) —

    1 second

Since:

  • 2025-07-13

1.0
DAY_DURATION =

Standard duration for day period as defined in Annex C.2

Returns:

  • (Float) —

    12.0 hours

Since:

  • 2025-07-13

12.0
EVENING_DURATION =

Standard duration for evening period as defined in Annex C.2

Returns:

  • (Float) —

    4.0 hours

Since:

  • 2025-07-13

4.0
NIGHT_DURATION =

Standard duration for night period as defined in Annex C.2

Returns:

  • (Float) —

    8.0 hours

Since:

  • 2025-07-13

8.0
EVENING_PENALTY =

Penalty for evening period as defined in Annex C.2

Returns:

  • (Float) —

    5.0 dB

Since:

  • 2025-07-13

5.0
NIGHT_PENALTY =

Penalty for night period as defined in Annex C.2

Returns:

  • (Float) —

    10.0 dB

Since:

  • 2025-07-13

10.0