<!--
{
  "documentType" : "article",
  "framework" : "AudioToolbox",
  "identifier" : "/documentation/AudioToolbox/core-audio-file-format",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "Core Audio File Format"
}
-->

# Core Audio File Format

Parse the structure of Core Audio files.

## Topics

### File Structure

[`CAFAudioDescription`](/documentation/AudioToolbox/CAFAudioDescription)

[`CAFAudioFormatListItem`](/documentation/AudioToolbox/CAFAudioFormatListItem)

[`CAFChunkHeader`](/documentation/AudioToolbox/CAFChunkHeader)

[`CAFDataChunk`](/documentation/AudioToolbox/CAFDataChunk)

[`CAFFileHeader`](/documentation/AudioToolbox/CAFFileHeader)

[`CAFFormatFlags`](/documentation/AudioToolbox/CAFFormatFlags)

[`CAFInfoStrings`](/documentation/AudioToolbox/CAFInfoStrings)

[`CAFInstrumentChunk`](/documentation/AudioToolbox/CAFInstrumentChunk)

[`CAFMarker`](/documentation/AudioToolbox/CAFMarker)

[`CAFMarkerChunk`](/documentation/AudioToolbox/CAFMarkerChunk)

[`CAFOverviewChunk`](/documentation/AudioToolbox/CAFOverviewChunk)

[`CAFOverviewSample`](/documentation/AudioToolbox/CAFOverviewSample)

[`CAFPacketTableHeader`](/documentation/AudioToolbox/CAFPacketTableHeader)

[`CAFPeakChunk`](/documentation/AudioToolbox/CAFPeakChunk)

[`CAFPositionPeak`](/documentation/AudioToolbox/CAFPositionPeak)

[`CAFRegion`](/documentation/AudioToolbox/CAFRegion)

[`CAFRegionChunk`](/documentation/AudioToolbox/CAFRegionChunk)

[`CAFRegionFlags`](/documentation/AudioToolbox/CAFRegionFlags)

[`CAFStringID`](/documentation/AudioToolbox/CAFStringID)

[`CAFStrings`](/documentation/AudioToolbox/CAFStrings)

[`CAFUMIDChunk`](/documentation/AudioToolbox/CAFUMIDChunk)

[`CAF_SMPTE_Time`](/documentation/AudioToolbox/CAF_SMPTE_Time)

[`CAF_UUID_ChunkHeader`](/documentation/AudioToolbox/CAF_UUID_ChunkHeader)

### Types

[`CAFFormatFlags`](/documentation/AudioToolbox/CAFFormatFlags)

[`CAFRegionFlags`](/documentation/AudioToolbox/CAFRegionFlags)

[CAF File Chunk Types](/documentation/AudioToolbox/1547266-caf-file-chunk-types)

[CAF File Marker Types](/documentation/AudioToolbox/1547272-caf-file-marker-types)

[CAF File SMPTE Time Types](/documentation/AudioToolbox/1547262-caf-file-smpte-time-types)

[CAF File Header](/documentation/AudioToolbox/1547255-caf-file-header)


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)