public void TestDualChannelWave()
{
float[] dualChannelSamples = CreateSineWave(2);
string dualChannelFile = DataManagement.PathForDataFile("Test", "dualChannel.wav");
string secondDualChannel = DataManagement.PathForDataFile("Test", "dualChannel2.wav");
Assert.IsTrue(WaveEncoding.SaveFile(
filepath: dualChannelFile,
channels: 2,
sampleRate: 44100,
samples: dualChannelSamples,
overwrite: true));
dualChannelSamples = null;
Assert.IsTrue(File.Exists(dualChannelFile));
Assert.IsTrue(WaveEncoding.LoadFile(
filepath: dualChannelFile,
channels: out int channels,
samples: out dualChannelSamples));
Assert.IsTrue(channels == 2);
Assert.IsTrue(dualChannelSamples != null);
Assert.IsTrue(WaveEncoding.SaveFile(
filepath: secondDualChannel,
channels: 2,
sampleRate: 44100,
samples: dualChannelSamples,
overwrite: true));
}
public void TestSingleChannelWave()
{
float[] singleChannelSamples = CreateSineWave(1);
string singleChannelFile = DataManagement.PathForDataFile("Test", "singleChannel.wav");
string secondSingleChannel = DataManagement.PathForDataFile("Test", "singleChannel2.wav");
Assert.IsTrue(WaveEncoding.SaveFile(
filepath: singleChannelFile,
channels: 1,
sampleRate: 44100,
samples: singleChannelSamples,
overwrite: true));
singleChannelSamples = null;
Assert.IsTrue(File.Exists(singleChannelFile));
Assert.IsTrue(WaveEncoding.LoadFile(
filepath: singleChannelFile,
channels: out int channels,
samples: out singleChannelSamples));
Assert.IsTrue(channels == 1);
Assert.IsTrue(singleChannelSamples != null);
Assert.IsTrue(WaveEncoding.SaveFile(
filepath: secondSingleChannel,
channels: 1,
sampleRate: 44100,
samples: singleChannelSamples,
overwrite: true));
}
public void TestPhaseVocoding()
{
//string baseFile = "Boston_HitchARide";
string baseFile = "000000";
WaveEncoding.LoadBGCSimple(
filepath: DataManagement.PathForDataFile("Test", $"{baseFile}.wav"),
simpleAudioClip: out SimpleAudioClip song);
song = song.Window(10f).Cache();
//First, write unmodified
WaveEncoding.SaveFile(
filepath: DataManagement.PathForDataFile("Test", $"{baseFile}_Unmodified.wav"),
channels: song.Channels,
sampleRate: (int)song.SamplingRate,
samples: song.Samples,
overwrite: true);
//Next, Slow it down 5%
{
SimpleAudioClip slowed_05 = song.PhaseVocode(0.95f).Cache();
//Next, write it slowed 5%
WaveEncoding.SaveFile(
filepath: DataManagement.PathForDataFile("Test", $"{baseFile}_Slowed_05.wav"),
channels: slowed_05.Channels,
sampleRate: (int)slowed_05.SamplingRate,
samples: slowed_05.Samples,
overwrite: true);
}
//Next, Slow it down 25%
{
SimpleAudioClip slowed_25 = song.PhaseVocode(0.75f).Cache();
//Next, write it slowed 5%
WaveEncoding.SaveFile(
filepath: DataManagement.PathForDataFile("Test", $"{baseFile}_Slowed_25.wav"),
channels: slowed_25.Channels,
sampleRate: (int)slowed_25.SamplingRate,
samples: slowed_25.Samples,
overwrite: true);
}
//Next, Slow it down 50%
{
SimpleAudioClip slowed_50 = song.PhaseVocode(0.5f).Cache();
//Next, write it slowed 5%
WaveEncoding.SaveFile(
filepath: DataManagement.PathForDataFile("Test", $"{baseFile}_Slowed_50.wav"),
channels: slowed_50.Channels,
sampleRate: (int)slowed_50.SamplingRate,
samples: slowed_50.Samples,
overwrite: true);
}
}
public void TestCarlileShuffler()
{
string baseFile = "000000";
WaveEncoding.LoadBGCSimple(
filepath: DataManagement.PathForDataFile("Test", $"{baseFile}.wav"),
simpleAudioClip: out SimpleAudioClip song);
Debug.Log($"Pre RMS: {Mathf.Sqrt(song.Samples.Sum(x => x * x) / song.Samples.Length)} N:{song.Samples.Length}");
song = song.CarlileShuffle().Cache();
Debug.Log($"Post RMS: {Mathf.Sqrt(song.Samples.Sum(x => x * x) / song.Samples.Length)} N:{song.Samples.Length}");
//Write to File
WaveEncoding.SaveFile(
filepath: DataManagement.PathForDataFile("Test", $"{baseFile}_Carlile.wav"),
channels: song.Channels,
samples: song.Samples,
overwrite: true);
}