private void DecodeDpcm_Click(object sender, RoutedEventArgs e)
{
lock (this)
{
DecodDpcm.Label = "Decodificando...";
var task = Task.Run(async() =>
{
string folder = (await StorageLibrary.GetLibraryAsync(KnownLibraryId.Music)).SaveFolder.Path;
double[] decodedLeft = dpcmLib.DPCMDecoding(dpcmLeft, particao, codebook, PreditorLeft);
//double[] decodedRight = dpcmLib.DPCMDecoding(dpcmRight, particao, codebook, PreditorRight);
WavController.SaveWavFile(Path.Combine(folder, "Decodificado.wav"), decodedLeft, decodedLeft, 16, header);
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => DecodDpcm.Label = "Decodificar");
});
}
}
private void CodeDpcm_Click(object sender, RoutedEventArgs e)
{
lock (this)
{
CodDpcm.Label = "Codificando...";
var task = Task.Run(async() =>
{
string folder = (await StorageLibrary.GetLibraryAsync(KnownLibraryId.Music)).SaveFolder.Path;
header = WavController.OpenWavFile(Path.Combine(folder, "PCM_original.wav"), out left, out right);
dpcmLib.PreQuantizar(-1, 1, sizeQuantizer, out particao, out codebook);
double MsqLeft = dpcmLib.meansqr(left);
//double MsqRight = dpcmLib.meansqr(right);
PreditorLeft = dpcmLib.GerarPreditor(PreditorCorrelacoes.VozHumana, MsqLeft); // Coeficientes do preditor esquerdo
//PreditorRight = dpcmLib.GerarPreditor(PreditorCorrelacoes.VozHumana, MsqRight); // Coeficientes do preditor esquerdo
dpcmLeft = dpcmLib.DPCMEncoding(left, particao, codebook, PreditorLeft);
//dpcmRight = dpcmLib.DPCMEncoding(right, particao, codebook, PreditorRight);
WavController.SaveWavFile(Path.Combine(folder, "DPCM.wav"), dpcmLeft, dpcmLeft, 8, header);
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => CodDpcm.Label = "Codificar");
});
}
}
