---
title: kAFInfoDictionary_ApproximateDurationInSeconds
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kafinfodictionary_approximatedurationinseconds
---

# kAFInfoDictionary_ApproximateDurationInSeconds

An approximate duration in seconds.

## Declaration

```swift
var kAFInfoDictionary_ApproximateDurationInSeconds: String { get }
```

## See Also

### Constants

- [kAFInfoDictionary_Artist](audiotoolbox/kafinfodictionary_artist.md)
- [kAFInfoDictionary_Album](audiotoolbox/kafinfodictionary_album.md)
- [kAFInfoDictionary_Tempo](audiotoolbox/kafinfodictionary_tempo.md)
- [kAFInfoDictionary_KeySignature](audiotoolbox/kafinfodictionary_keysignature.md)
- [kAFInfoDictionary_TimeSignature](audiotoolbox/kafinfodictionary_timesignature.md)
- [kAFInfoDictionary_TrackNumber](audiotoolbox/kafinfodictionary_tracknumber.md)
- [kAFInfoDictionary_Year](audiotoolbox/kafinfodictionary_year.md)
- [kAFInfoDictionary_Composer](audiotoolbox/kafinfodictionary_composer.md)
- [kAFInfoDictionary_Lyricist](audiotoolbox/kafinfodictionary_lyricist.md)
- [kAFInfoDictionary_Genre](audiotoolbox/kafinfodictionary_genre.md)
- [kAFInfoDictionary_Title](audiotoolbox/kafinfodictionary_title.md)
- [kAFInfoDictionary_RecordedDate](audiotoolbox/kafinfodictionary_recordeddate.md)
- [kAFInfoDictionary_Comments](audiotoolbox/kafinfodictionary_comments.md)
- [kAFInfoDictionary_Copyright](audiotoolbox/kafinfodictionary_copyright.md)
- [kAFInfoDictionary_SourceEncoder](audiotoolbox/kafinfodictionary_sourceencoder.md)