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/ ToneOutputUnit.swift
Created
July 21, 2017 03:45
— forked from hotpaw2/ToneOutputUnit.swift
Swift 3 Audio class that can play a simple tone on an iOS device
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| // | |
| // ToneOutputUnit.swift | |
| // | |
| // This is a Swift 3 class (which should be instantiated as a singleton object) | |
| // that can play a single tone of arbitrary tone and frequency on iOS devices | |
| // using run-time sinewave synthesis and the Audio Unit v3 API with RemoteIO. | |
| // | |
| // Created by Ronald Nicholson [email protected] on 2/20/2016. | |
| // revised 2016-Sep-08 for Swift 3 | |
| // http://www.nicholson.com/rhn/ |
candyhero
/ gist:831abae75495e5e69516ceea893f6449
Created
July 21, 2017 03:44
— forked from rgcottrell/gist:5b876d9c5eea4c9e411c
An FM Synthesizer in Swift using AVAudioEngine
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| import AVFoundation | |
| import Foundation | |
| // The maximum number of audio buffers in flight. Setting to two allows one | |
| // buffer to be played while the next is being written. | |
| private let kInFlightAudioBuffers: Int = 2 | |
| // The number of audio samples per buffer. A lower value reduces latency for | |
| // changes but requires more processing but increases the risk of being unable | |
| // to fill the buffers in time. A setting of 1024 represents about 23ms of |