Migrated to **AudioKit 5.0**.

Visualizer.xcodeproj/xcuserdata/alaa.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>AudioKit (Playground) 1.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>2</integer>
+		</dict>
+		<key>AudioKit (Playground) 2.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>3</integer>
+		</dict>
+		<key>AudioKit (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+		<key>Controls (Playground) 1.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>5</integer>
+		</dict>
+		<key>Controls (Playground) 2.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>6</integer>
+		</dict>
+		<key>Controls (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>4</integer>
+		</dict>
+		<key>Visualizer.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>

Visualizer/Models/Conductors.swift

@@ -0,0 +1,67 @@
+//
+//  Conductors.swift
+//  Visualizer
+//
+//  Created by Treata Norouzi on 3/13/24.
+//
+
+import AudioKit
+import AudioKitUI
+import Observation
+
+@Observable
+class InputConductor: HasAudioEngine {
+
+    /// Single shared data model
+    static let shared = InputConductor()
+
+    /// Single shared data model
+    let engine = AudioEngine()
+
+    /// default microphone
+    let mic: AudioEngine.InputNode?
+    /// mixing node for microphone input - routes to plotting and recording paths
+    let outputMixer: Mixer
+
+    init() {
+        mic = engine.input
+        outputMixer = Mixer(mic!)
+        engine.output = outputMixer
+
+        // start the AudioKit engine
+        do {
+            try engine.start()
+        } catch {
+            print(error)
+        }
+    }
+}
+
+// MARK: - Music Player
+
+// To have the `URL` struct available in the scope
+import UniformTypeIdentifiers
+
+@Observable
+class MusicPlayerConductor: HasAudioEngine, ProcessesPlayerInput {
+    let engine = AudioEngine()
+
+    let player: AudioPlayer
+    let outputMixer: Mixer
+
+    init(musicUrl: URL = Bundle.main.url(forResource: "Guitar", withExtension: "mp3")!) {
+        player = AudioPlayer(url: musicUrl)!
+
+        engine.output = player
+        player.isLooping = true
+        outputMixer = Mixer(player)
+
+        engine.output = outputMixer
+
+        do {
+            try engine.start()
+        } catch {
+            print(error)
+        }
+    }
+}