---
title: "init(subbandParameters:)"
framework: phase
role: symbol
role_heading: Initializer
path: "phase/phasecardioiddirectivitymodelparameters/init(subbandparameters:)"
---

# init(subbandParameters:)

Creates an object that directs sound in a heart-shaped curve surrounding a sound source.

## Declaration

```swift
init(subbandParameters: [PHASECardioidDirectivityModelSubbandParameters])
```

## Parameters

- `subbandParameters`: An array of frequencies that describe varying sound emission across the spectrum.