private void insertEndPointSilenceButton_Click(object sender, EventArgs e)
{
int selectedIndex = formantSpecificationListBox.SelectedIndex;
FormantSettings initialSilenceSettings = new FormantSettings();
double duration = double.Parse(endPointSilenceDurationTextBox.Text);
initialSilenceSettings.SetSilence(duration);
editorFormantSpecification.FormantSettingsList.Insert(0, initialSilenceSettings);
FormantSettings finalSilenceSettings = new FormantSettings();
finalSilenceSettings.SetSilence(duration);
// Generate the transition to the final silence period:
FormantSettings lastFormantSettings = editorFormantSpecification.FormantSettingsList.Last();
double lastFormantSettingsDuration = lastFormantSettings.Duration;
if (lastFormantSettingsDuration < duration)
{
lastFormantSettings.TransitionStart = 0;
}
else
{
double startFraction = 1 - (duration / lastFormantSettingsDuration);
lastFormantSettings.TransitionStart = startFraction;
}
// Then add the final silence:
editorFormantSpecification.FormantSettingsList.Add(finalSilenceSettings);
ShowFormantSpecification(selectedIndex + 1);
}
private void GenerateNewSpeechSynthesizer()
{
speechSynthesizer = new FormantSpeechSynthesizer();
speechSynthesizer.StorePitch = true;
FormantSpecification longSilenceSpecification = new FormantSpecification(speechSynthesizer.FundamentalFrequency, speechSynthesizer.SamplingFrequency);
longSilenceSpecification.Name = "=";
FormantSettings longSilenceSettings = new FormantSettings();
longSilenceSettings.SetSilence(LONG_SILENCE_SOUND_DURATION);
longSilenceSpecification.FormantSettingsList.Add(longSilenceSettings);
speechSynthesizer.SpecificationList.Add(longSilenceSpecification);
FormantSpecification shortSilenceSpecification = new FormantSpecification(speechSynthesizer.FundamentalFrequency, speechSynthesizer.SamplingFrequency);
shortSilenceSpecification.Name = "-";
FormantSettings shortSilenceSettings = new FormantSettings();
shortSilenceSettings.SetSilence(SHORT_SILENCE_SOUND_DURATION);
shortSilenceSpecification.FormantSettingsList.Add(shortSilenceSettings);
speechSynthesizer.SpecificationList.Add(shortSilenceSpecification);
}
