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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.