Inter-App Audio
Inter-App Audio
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Inter-App Audio

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Inter-App Audio

Inter-App Audio (IAA) is a deprecated technology developed by Apple Inc. which routes audio and MIDI signals between applications on the iOS mobile operating system. The technology was introduced in 2013 in iOS 7 and deprecated in 2019 with the release of iOS 13.

Inter-App Audio is a host-plugin technology. An IAA host application connects to a node application to send and receive audio, MIDI, timeline information, and other signals.

Node applications can be of the following types:

At the moment, audio signal routing is only possible with a sampling rate of 44.1 kHz.

Inter-App Audio was deprecated in 2019 with the release of iOS 13 in favor of the third version of Audio Units.

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