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sound:compute loudness ISO 532-1 (one-third-octave input)

Version: 0.0.0

Description

Compute loudness according to the ISO532-1 standard for stationary sounds, using one-third-octave-band levels as input.

Inputs

InputNameExpected type(s)Description
Pin 0
Required
input_levelsfieldInput one-third-octave-band levels in dB SPL on which to compute loudness. Exactly 28 band levels must be provided.

Considered one-third-octave bands have the following central frequencies:

Pin 1field_typestringField type associated with the recording conditions.

Supported values:

* Free
* Diffuse

Default: Free

Outputs

OutputNameExpected type(s)Description
Pin 0output_loudness_sonedoubleLoudness in sone.
Pin 1output_loudness_phondoubleLoudness level in phon.
Pin 2output_specific_loudnessfieldSpecific loudness in sone/Bark, that is, the loudness values over Bark band indexes.

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_loudness_iso532_1_frequency_input

License: avrxp_snd_level1

Changelog

  • Version 0.0.0: Initial release.