---
title: "init(frequency:leftEarSensitivity:rightEarSensitivity:)"
framework: healthkit
role: symbol
role_heading: Initializer
path: "healthkit/hkaudiogramsensitivitypoint/init(frequency:leftearsensitivity:rightearsensitivity:)"
---

# init(frequency:leftEarSensitivity:rightEarSensitivity:)

Creates a new sensitivity point.

## Declaration

```swift
convenience init(frequency: HKQuantity, leftEarSensitivity: HKQuantity?, rightEarSensitivity: HKQuantity?) throws
```

## Parameters

- `frequency`: The frequency tested. This object uses doc://com.apple.healthkit/documentation/HealthKit/HKUnit/hertz() units.
- `leftEarSensitivity`: The sensitivity of the left ear, measured in attenuated dB from a baseline of 0 db. This object uses doc://com.apple.healthkit/documentation/HealthKit/HKUnit/decibelHearingLevel() units.
- `rightEarSensitivity`: The sensitivity of the right ear, measured in attenuated dB from a baseline of 0 db. This object uses doc://com.apple.healthkit/documentation/HealthKit/HKUnit/decibelHearingLevel() units.