---
title: AVCaptionConversionTimeRangeAdjustment
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avcaptionconversiontimerangeadjustment
---

# AVCaptionConversionTimeRangeAdjustment

An object that describes an adjustment to the time range of one or more captions.

## Declaration

```swift
class AVCaptionConversionTimeRangeAdjustment
```

## Topics

### Accessing time offsets

- [startTimeOffset](avfoundation/avcaptionconversiontimerangeadjustment/starttimeoffset.md)
- [durationOffset](avfoundation/avcaptionconversiontimerangeadjustment/durationoffset.md)

## Relationships

### Inherits From

- [AVCaptionConversionAdjustment](avfoundation/avcaptionconversionadjustment.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Accessing the adjustment type

- [adjustmentType](avfoundation/avcaptionconversionadjustment/adjustmenttype-swift.property.md)
- [AVCaptionConversionAdjustment.AdjustmentType](avfoundation/avcaptionconversionadjustment/adjustmenttype-swift.struct.md)