---
title: kAudioFormatAppleIMA4
framework: coreaudiotypes
role: symbol
role_heading: Global Variable
path: coreaudiotypes/kaudioformatappleima4
---

# kAudioFormatAppleIMA4

A key that specifies Apple’s implementation of the IMA 4:1 ADPCM codec, and uses no flags.

## Declaration

```swift
var kAudioFormatAppleIMA4: AudioFormatID { get }
```

## See Also

### Format identifiers

- [kAudioFormat60958AC3](coreaudiotypes/kaudioformat60958ac3.md)
- [kAudioFormatAC3](coreaudiotypes/kaudioformatac3.md)
- [kAudioFormatAES3](coreaudiotypes/kaudioformataes3.md)
- [kAudioFormatALaw](coreaudiotypes/kaudioformatalaw.md)
- [kAudioFormatAMR](coreaudiotypes/kaudioformatamr.md)
- [kAudioFormatAMR_WB](coreaudiotypes/kaudioformatamr_wb.md)
- [kAudioFormatAppleLossless](coreaudiotypes/kaudioformatapplelossless.md)
- [kAudioFormatAudible](coreaudiotypes/kaudioformataudible.md)
- [kAudioFormatDVIIntelIMA](coreaudiotypes/kaudioformatdviintelima.md)
- [kAudioFormatEnhancedAC3](coreaudiotypes/kaudioformatenhancedac3.md)
- [kAudioFormatFLAC](coreaudiotypes/kaudioformatflac.md)
- [kAudioFormatLinearPCM](coreaudiotypes/kaudioformatlinearpcm.md)
- [kAudioFormatMACE3](coreaudiotypes/kaudioformatmace3.md)
- [kAudioFormatMACE6](coreaudiotypes/kaudioformatmace6.md)
- [kAudioFormatMIDIStream](coreaudiotypes/kaudioformatmidistream.md)