我正在尝试使用SPM将项目更新到AudioKit v5。据我在当前文档中所看到的,您可以通过将麦克风附加到音频引擎输入来实例化麦克风。
但是,我错过了以前的AudioKit.inputDevices(然后是AKManager.inputDevices)。我以前可以选择自己喜欢的麦克风。
如何在iOS上使用AudioKit v5选择特定的麦克风?
答案 0 :(得分:1)
从2020年11月6日开始,您需要确保使用的是v5-develop分支,因为v5-main仍不支持48K采样率的硬件。
以下代码可让您根据其调试说明选择麦克风:
TestStamp
建议将音频路由更改通知添加到viewDidLoad:
// AudioKit engine and node definitions
let engine = AudioEngine()
var mic : AudioEngine.InputNode!
var boost : Fader!
var mixer : Mixer!
// Choose device for microphone
if let inputs = AudioEngine.inputDevices {
// print (inputs) // Uncomment to see the possible inputs
let micSelection : String = "Front" // On a 2020 iPad pro you can also choose "Back" or "Top"
var chosenMic : Int = 0
var micTypeCounter : Int = 0
for microphones in inputs {
let micType : String = "\(microphones)"
if micType.range(of: micSelection) != nil {
chosenMic = micTypeCounter
}
// If we find a wired mic, prefer it
if micType.range(of: "Wired") != nil {
chosenMic = micTypeCounter
break
}
// If we find a USB mic (newer devices), prefer it
if micType.range(of: "USB") != nil {
chosenMic = micTypeCounter
break
}
micTypeCounter += 1
}
do {
try AudioEngine.setInputDevice(inputs[chosenMic])
} catch {
print ("Could not set audio inputs: \(error)")
}
mic = engine.input
}
Settings.sampleRate = mic.avAudioNode.inputFormat(forBus: 0).sampleRate // This is essential for 48Kbps
// Start AudioKit
if !engine.avEngine.isRunning {
do {
boost = Fader(mic)
// Set boost values here, or leave it for silence
// Connect mic or boost to any other audio nodes you need
// Set AudioKit's output
mixer = Mixer(boost) // You can add any other nodes to the mixer
engine.output = mixer
// Additional settings
Settings.audioInputEnabled = true
// Start engine
try engine.avEngine.start()
try Settings.setSession(category: .playAndRecord)
} catch {
print ("Could not start AudioKit: \(error)")
}
}
这将呼叫
// Notification for monitoring audio route changes
NotificationCenter.default.addObserver(
self,
selector: #selector(audioRouteChanged(notification:)),
name: AVAudioSession.routeChangeNotification,
object: nil)
答案 1 :(得分:0)
与音频套件4相同。
api已更改。
似乎您应该写:
guard let inputs = AKManager.inputDevices else{
print("NO AK INPUT devices")
return false
}