AVFoundation provides a controller class AVPlayer to play timed audio-visual media. The AVPlayer can handle playback of local, progressively downloaded and streamed media conforming HLS protocol.

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AVAsset is an abstract, immutable class providing a composite representation of a media resource, modeling the static attributes of the media as a whole, such as its title, duration, and metadata. AVAsset is not the media itself, but acts as a container for timed media. It is composed of one or more media tracks along with metadata describing its contents.

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AVAudioRecorder is also built on top of Audio Queue Services. It provides capability to:

  • Record until user stop the recording
  • Record for a specified duration
  • Pause and resume recording
  • Audio-level metering
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AVAudioPlayer makes easy to playback the audio data from local files and memory. It is built on top of Core Audio’s C-based Audio Queue Service. It provides all core functions we can find in Audio Queue Service.
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Juncheng Han

Software Engineer in San Francisco Bay Area

iOS and NodeJS Dev

Sunnyvale, CA