//Va a generar una señal con una frecuencia de 440 y la guardara en un wav
private void btnCrearFrecuencia_Click(object sender, RoutedEventArgs e)
{
var sampleRate = 44100;
var channelCount = 1;
var signalGenerator = new SignalGenerator(sampleRate, channelCount);
signalGenerator.Type = SignalGeneratorType.Sin;
signalGenerator.Frequency = 440;
signalGenerator.Gain = 0.5;
var waveFormat = new WaveFormat(sampleRate, 16, channelCount);
var writer = new CueWaveFileWriter("tono.wav", waveFormat);
var muestrasPorSegundo = sampleRate * channelCount;
var buffer = new float[muestrasPorSegundo];
for (int i = 0; i < 5; i++)
{
var muestras = signalGenerator.Read(buffer, 0, muestrasPorSegundo);
writer.WriteSamples(buffer, 0, muestras);
}
writer.Dispose();
}
public void WriteCues(Dictionary <string, List <double> > DictionaryOfCuePoints, bool IsInsertCuePointsInBook = false)
{
string SourceFile = string.Empty;
List <double> CuePoints = new List <double>();
int CuePointTime;
string cueFileFolder = string.Empty;
foreach (var entry in DictionaryOfCuePoints)
{
SourceFile = entry.Key;
CuePoints = entry.Value;
string sourceFileFolder = System.IO.Path.GetDirectoryName(SourceFile);
string sourceFileName = System.IO.Path.GetFileName(SourceFile);
string sourceFilePath = sourceFileFolder + "\\" + sourceFileName;
cueFileFolder = sourceFileFolder + "\\" + "Audio_files_cuepoints";
if (!Directory.Exists(cueFileFolder))
{
Directory.CreateDirectory(cueFileFolder);
}
string CueAudioFilePath = cueFileFolder + "\\" + "Cues_" + sourceFileName;
CueWaveFileReader sourceStream = new CueWaveFileReader(SourceFile);
using (CueWaveFileWriter writer = new CueWaveFileWriter(CueAudioFilePath, sourceStream.WaveFormat))
{
AudioLibPCMFormat pcmFormat = new AudioLibPCMFormat((ushort)sourceStream.WaveFormat.Channels, (uint)sourceStream.WaveFormat.SampleRate, (ushort)sourceStream.WaveFormat.BitsPerSample);
int BUFFER_SIZE = (int)pcmFormat.ConvertTimeToBytes(1500 * AudioLibPCMFormat.TIME_UNIT);//132300;
byte[] buffer = new byte[BUFFER_SIZE];
int byteRead;
writer.Flush();
while ((byteRead = sourceStream.Read(buffer, 0, buffer.Length)) > 0)
{
writer.Write(buffer, 0, byteRead);
}
foreach (double CuePoint in CuePoints)
{
CuePointTime = (int)CuePoint * sourceStream.WaveFormat.SampleRate;
writer.AddCue(CuePointTime, string.Empty);
}
}
if (IsInsertCuePointsInBook)
{
sourceStream.Dispose();
if (File.Exists(sourceFilePath))
{
File.Delete(sourceFilePath);
}
File.Move(CueAudioFilePath, sourceFilePath);
}
}
if (IsInsertCuePointsInBook && Directory.Exists(cueFileFolder))
{
Directory.Delete(cueFileFolder);
}
}
