Skip to main content

DPF Framework 2026 R1

sound:compute loudness ANSI S3.4-2007

Last update: 31.07.2026

Version: 0.0.0

Description

Compute loudness according to the ANSI S3.4-2007 standard.

Inputs

Input Name Expected type(s) Description
Pin 0
Required
input_signal field Input signal in Pa on which to compute loudness.
Pin 1 field_type string Field type associated with the recording conditions.

Supported values:

* Free
* Diffuse

Default: Free

Outputs

Output Name Expected type(s) Description
Pin 0 output_loudness_sone double Loudness in sone.
Pin 1 output_loudness_phon double Loudness level in phon.

Configurations

Name Expected type(s) Default value Description
mutex bool false If 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_ansi_s3_4

License: avrxp_snd_level1

Changelog

  • Version 0.0.0: Initial release.

Connect with Ansys