---
title: AVAssetTrack
framework: avfoundation
role: collectionGroup
role_heading: API Collection
path: avfoundation/avassettrack-async-properties
---

# AVAssetTrack

Asynchronous properties for asset tracks.

## Topics

### Loading track information

- [totalSampleDataLength](avfoundation/avpartialasyncproperty/totalsampledatalength.md)
- [formatDescriptions](avfoundation/avpartialasyncproperty/formatdescriptions.md)
- [isDecodable](avfoundation/avpartialasyncproperty/isdecodable.md)
- [isEnabled](avfoundation/avpartialasyncproperty/isenabled.md)
- [isPlayable](avfoundation/avpartialasyncproperty/isplayable-6txa5.md)
- [mediaCharacteristics](avfoundation/avpartialasyncproperty/mediacharacteristics.md)
- [isSelfContained](avfoundation/avpartialasyncproperty/isselfcontained.md)

### Loading temporal information

- [timeRange](avfoundation/avpartialasyncproperty/timerange.md)
- [naturalTimeScale](avfoundation/avpartialasyncproperty/naturaltimescale.md)
- [estimatedDataRate](avfoundation/avpartialasyncproperty/estimateddatarate.md)

### Loading language support

- [languageCode](avfoundation/avpartialasyncproperty/languagecode.md)
- [extendedLanguageTag](avfoundation/avpartialasyncproperty/extendedlanguagetag.md)

### Loading visual characteristics

- [naturalSize](avfoundation/avpartialasyncproperty/naturalsize.md)
- [preferredTransform](avfoundation/avpartialasyncproperty/preferredtransform-90jdn.md)

### Loading audible characteristics

- [preferredVolume](avfoundation/avpartialasyncproperty/preferredvolume-8q2yt.md)
- [hasAudioSampleDependencies](avfoundation/avpartialasyncproperty/hasaudiosampledependencies.md)

### Loading frame-based characteristics

- [nominalFrameRate](avfoundation/avpartialasyncproperty/nominalframerate.md)
- [minFrameDuration](avfoundation/avpartialasyncproperty/minframeduration.md)
- [requiresFrameReordering](avfoundation/avpartialasyncproperty/requiresframereordering.md)

### Loading metadata

- [metadata](avfoundation/avpartialasyncproperty/metadata-6e14c.md)
- [availableMetadataFormats](avfoundation/avpartialasyncproperty/availablemetadataformats-5p9xg.md)
- [commonMetadata](avfoundation/avpartialasyncproperty/commonmetadata-73m58.md)

### Loading track segments

- [segments](avfoundation/avpartialasyncproperty/segments.md)

### Loading track associations

- [availableTrackAssociationTypes](avfoundation/avpartialasyncproperty/availabletrackassociationtypes.md)

### Creating sample cursors

- [canProvideSampleCursors](avfoundation/avpartialasyncproperty/canprovidesamplecursors.md)

## See Also

### Loading properties

- [AVAsset](avfoundation/avasset-async-properties.md)
- [AVURLAsset](avfoundation/avurlasset-async-properties.md)
- [AVFragmentedAsset](avfoundation/avfragmentedasset-async-properties.md)
- [AVMetadataItem](avfoundation/avmetadataitem-async-properties.md)
- [AVComposition](avfoundation/avcomposition-async-properties.md)
- [AVMutableComposition](avfoundation/avmutablecomposition-async-properties.md)
- [AVMovie](avfoundation/avmovie-async-properties.md)
- [AVMutableMovie](avfoundation/avmutablemovie-async-properties.md)
- [AVFragmentedMovie](avfoundation/avfragmentedmovie-async-properties.md)