---
title: AVCaptionGrouper
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avcaptiongrouper
---

# AVCaptionGrouper

An object that analyzes the temporal overlaps of caption objects to create caption groups for each span of concurrent captions.

## Declaration

```swift
class AVCaptionGrouper
```

## Topics

### Adding captions

- [add(_:)](avfoundation/avcaptiongrouper/add(_:).md)

### Generating captions groups

- [flushAddedCaptions(upTo:)](avfoundation/avcaptiongrouper/flushaddedcaptions(upto:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.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)

## See Also

### Groups

- [AVCaptionGroup](avfoundation/avcaptiongroup.md)