I am trying to do audio visualization for a stream. The sound should play in the background, and I'm currently playing it using AVPlayer, but I can’t get a measurement from it. How can I get a measurement and render? Any suggestions?
Here is an example with waveforms: a cocoa audio player component that displays the shape of an audio file
Here you have an indicator barrier and another example of how you can use it: ATTabandHoldAudioRecord
Apple also has a SpeakHere example - the code includes LevelView .. but this sample Apple code is nothing but simple to implement ...
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