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sound:compute sound power level ISO 3744

Version: 0.0.0

Description

Compute the sound power level (SWL) according to the ISO 3744 standard.

Inputs

InputNameExpected type(s)Description
Pin 0
Required
surface_shapestringShape of the measurement surface.

Supported values are:

* Hemisphere
* Half-hemisphere
Pin 1
Required
surface_radiusdoubleRadius in meters of the hemisphere or half-hemisphere measurement surface.
Pin 2
Required
K1doubleBackground noise correction in dB (section 8.2.3 of ISO 3744).
Pin 3
Required
K2doubleEnvironmental correction K2 in dB (Annex A of ISO 3744).
Pin 4
Required
C1doubleMeteorological reference quantity correction C1 in dB (Annex G of ISO 3744).
Pin 5
Required
C2doubleMeteorological radiation impedance correction C2 in dB (Annex G of ISO 3744).
Pin 6
Required
microphone_signalsfields_containerSignals recorded at various microphone positions on the measurement surface: each signal is stored as a field of microphone_signals.

Outputs

OutputNameExpected type(s)Description
Pin 0LwdoubleUnweighted sound power level (Lw) in dB.
Pin 1LwAdoubleA-weighted sound power level (Lw(A)) in dBA.
Pin 2octave_bandfieldOctave-band sound power levels, in dB.
Pin 3third_octave_bandfieldOne-third-octave-band sound power levels, in dB.

Configurations

NameExpected type(s)Default valueDescription
mutexboolfalseIf this option is set to true, the shared memory is prevented from being simultaneously accessed by multiple threads.

Scripting

Category: sound

Plugin: sound

Scripting name: None

Full name: None

Internal name: compute_sound_power_level_iso3744

License: avrxp_snd_level1

Changelog

  • Version 0.0.0: Initial release.