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 # sound:sound composer - generate sound from broadband noise (1 parameter) source

 Last update: 03.06.2026 

**Version: 0.0.0**

## Description

Generate a sound from a broadband noise model (1 parameter), according to a given evolution vs time of the control parameter.

## Inputs

InputNameExpected type(s)Description**Pin 0**   
Requiredsource\_bbn[`fields_container`](../../core-concepts/dpf-types.md#fields-container)Broadband noise model (1 parameter), as a fields container. Each field contains the level vs frequency of the noise at a given value of the control parameter. Level vs frequency may be specified as a Power Spectral Density (PSD) in Pa^2/Hz, or as Octave bands level in Pa^2, or as 1/3 Octave bands level in Pa^2. The unit must be indicated in the field's unit. The type of data (PSD, Octave, 1/3 octave) must be indicated in the field's FieldDefinition attribute, as a quantity\_type.**Pin 1**   
Requiredcontrol[`field`](../../core-concepts/dpf-types.md#field)Control parameter value vs time, as a field.**Pin 2**sampling\_frequency[`double`](../../core-concepts/dpf-types.md#standard-types)(Optional) Sampling frequency of the generated sound, in Hz. Default: 44100 Hz.## Outputs

OutputNameExpected type(s)Description**Pin 0**generated\_sound[`field`](../../core-concepts/dpf-types.md#field)Generated sound, as a field.## Configurations

NameExpected type(s)Default valueDescription**mutex**[`bool`](../../core-concepts/dpf-types.md#standard-types)falseIf 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**: sound\_composer\_generate\_sound\_bbn

**License**: avrxp\_snd\_level1

## Changelog

- Version 0.0.0: Initial release.