Audio Editing You'll Want to Implement
summary
Practical techniques for audio editing on iOS used in the Radiotalk app: how to obtain audio waveforms during recording (using AVAudioRecorder and AVAudioEngine) and from files (using AVAudioEngine and AVAssetReader), plus editing operations (trimming and concatenation) and how to build simple waveform UI and an audio-editing interface.
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chapters (9)
- 0:00Audio editing implementation
- 1:25Recording with AVFoundation
- 4:23Waveform display
- 9:20Editing interface
- 10:49Scroll view sync
- 14:53Playback and controls
- 15:39Editing with AVAssetExportSession
- 17:32Trimming audio tracks
- 19:30Summary
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