---
title: offsetIsEstimated
framework: audiotoolbox
role: symbol
role_heading: Type Property
path: audiotoolbox/audiofilestreamseekflags/offsetisestimated
---

# offsetIsEstimated

This flag is returned by the AudioFileStreamSeek(_:_:_:_:) function if the byte offset is only an estimate.

## Declaration

```swift
static var offsetIsEstimated: AudioFileStreamSeekFlags { get }
```