Created
July 20, 2017 15:55
-
-
Save steve228uk/62a4b74c495cbca9e95fad9baf26f7a8 to your computer and use it in GitHub Desktop.
AudioEngine used for TPI
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// | |
// AudioEngine.swift | |
// TPI | |
// | |
// Created by Stephen Radford on 29/05/2017. | |
// Copyright © 2017 Cocoon Development Ltd. All rights reserved. | |
// | |
import Foundation | |
import AudioKit | |
class AudioEngine { | |
static let shared = AudioEngine() | |
var mic: AKMicrophone! | |
var booster: AKBooster! | |
var tracker: AKFrequencyTracker! | |
var silence: AKBooster! | |
var tap: AKFFTTap? | |
var mixer: AKMixer | |
private init() { | |
AKSettings.audioInputEnabled = true | |
// Shared by SPL + RTA | |
mic = AKMicrophone() | |
booster = AKBooster(mic) | |
tracker = AKFrequencyTracker(booster) | |
silence = AKBooster(tracker, gain: 0) | |
// Tap for RTA | |
tap = AKFFTTap(booster) | |
mixer = AKMixer(silence, white, pink, sineOscillator, squareOscillator) | |
AudioKit.output = mixer | |
AudioKit.start() | |
NotificationCenter.default.addObserver(self, selector: #selector(start), name: NSNotification.Name.UIApplicationDidBecomeActive, object: nil) | |
NotificationCenter.default.addObserver(self, selector: #selector(stop), name: NSNotification.Name.UIApplicationDidEnterBackground, object: nil) | |
} | |
deinit { | |
NotificationCenter.default.removeObserver(self, name: NSNotification.Name.UIApplicationDidBecomeActive, object: nil) | |
NotificationCenter.default.removeObserver(self, name: NSNotification.Name.UIApplicationDidEnterBackground, object: nil) | |
} | |
@objc private func stop() { | |
AudioKit.stop() | |
} | |
@objc private func start() { | |
AudioKit.start() | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment