public void StartPitchDetection()
{
if (startedPitchDetection)
{
Debug.Log("Mic recoding already started.");
return;
}
startedPitchDetection = true;
List <string> soundcards = new List <string>(UnityEngine.Microphone.devices);
// Check for microphone existence.
if (!soundcards.Contains(MicProfile.Name))
{
string micDevicesCsv = string.Join(",", soundcards);
Debug.LogError($"Did not find mic '{MicProfile.Name}'. Available mic devices: {micDevicesCsv}");
startedPitchDetection = false;
return;
}
Debug.Log($"Start recording with '{MicProfile.Name}'");
micAmplifyMultiplier = micProfile.AmplificationMultiplier();
// Code for low-latency microphone input taken from
// https://support.unity3d.com/hc/en-us/articles/206485253-How-do-I-get-Unity-to-playback-a-Microphone-input-in-real-time-
// It seems that there is still a latency of more than 200ms, which is too much for real-time processing.
micAudioClip = UnityEngine.Microphone.Start(MicProfile.Name, true, 1, SampleRateHz);
while (UnityEngine.Microphone.GetPosition(MicProfile.Name) <= 0) /* Busy waiting */ } {
public void SetMicProfile(MicProfile micProfile)
{
micPitchTracker.MicProfile = micProfile;
if (!string.IsNullOrEmpty(micProfile.Name))
{
micPitchTracker.MicSampleRecorder.StartRecording();
}
micAmplifyMultiplier = micProfile.AmplificationMultiplier();
if (disposable != null)
{
disposable.Dispose();
}
disposable = micProfile.ObserveEveryValueChanged(it => it.Amplification)
.Subscribe(newAmplification => micAmplifyMultiplier = micProfile.AmplificationMultiplier());
}