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Is it possible to apply effects to music playing from Apple Music?

I want to make a app that can change the pitch and speed of a currently playing song. Is it possible with any apple api?

• MusicKit
• AudioUnit

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by Dr_Beta.

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App crashing when I attempt to authorize HealthKit

I am running this code: healthStore.requestAuthorization(toShare: types, read: types) { (success, error) in 						if !success { 								fatalError("we ned that data to shar to fcebok") 						} else { 						} 						 				} Then I get an error at runtime: _NSCFString * "*** -[__NSArrayM insertObject:atIndex:]: object cannot be nil" 0x0000600003fd4af0 Is this HealthKit? I can't seem to see what I am doing wrong. By the way, the fatal error message is a joke.

• HealthKit

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by Dr_Beta.

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The dance demo

In session 10043, there was a demo showing a ML classifier detecting dance moves. Is that code anywhere on the apple website?

• Xcode
• wwdc20-10043
• WWDC20
• Create ML

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by Dr_Beta.

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