<!--
{
  "availability" : [
    "iOS: 8.0.0 -",
    "iPadOS: 8.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.10.0 -",
    "tvOS: 9.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 2.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AVFAudio",
  "identifier" : "/documentation/AVFAudio/AVAudioTime/init(hostTime:sampleTime:atRate:)",
  "metadataVersion" : "0.1.0",
  "role" : "Initializer",
  "symbol" : {
    "kind" : "Initializer",
    "modules" : [
      "AVFAudio"
    ],
    "preciseIdentifier" : "c:objc(cs)AVAudioTime(im)initWithHostTime:sampleTime:atRate:"
  },
  "title" : "init(hostTime:sampleTime:atRate:)"
}
-->

# init(hostTime:sampleTime:atRate:)

Creates an audio time object with the specified host time, sample time, and sample rate.

```
init(hostTime: UInt64, sampleTime: AVAudioFramePosition, atRate sampleRate: Double)
```

## Parameters

`hostTime`

The host time.

`sampleTime`

The sample time.

`sampleRate`

The sample rate.

## Return Value

A new [`AVAudioTime`](/documentation/AVFAudio/AVAudioTime) instance.

## Discussion

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)