public byte[] SpeakContentStream(string content)
{
byte[] buffer = CacheHelper.Get(content) as byte[];
if (buffer != null)
{
return(buffer);
}
else
{
using (System.Speech.Synthesis.SpeechSynthesizer speechSyn = new System.Speech.Synthesis.SpeechSynthesizer())
{
speechSyn.Volume = 100;
speechSyn.Rate = 0;
using (var ms = new System.IO.MemoryStream())
{
speechSyn.SetOutputToWaveStream(ms);
speechSyn.Speak(content);
speechSyn.SetOutputToNull();
buffer = ms.ToArray();
//设置平滑过期
CacheHelper.Set(content, buffer, TimeSpan.FromSeconds(30));
return(buffer);
}
}
}
}
private static string generateSpeech(string userid, string condition, string pathResponseFile, string path)
{
// ********* generate wav file voicing the response *****************
// Using Microsoft voices
// initiate new instance of speech synthesizer
// needs own separate dedicated thread...
string response = readResponse(pathResponseFile);
string audioFilePath = "";
SQLLog.InsertLog(DateTime.Now, "Beginning Thread", "Beginning Thread", "ResponseGeneration.moveSpeak", 1);
Thread t = new Thread(() =>
{
try
{
System.Speech.Synthesis.SpeechSynthesizer synth = new System.Speech.Synthesis.SpeechSynthesizer();
string gender = SQLConditionGenderInfo.GetGender(userid);
bool makecopy = false;
if (synth != null)
{
if (gender.Contains("female"))
{
synth.SelectVoice("Microsoft Zira Desktop");
}
else
{
synth.SelectVoice("Microsoft David Desktop");
}
if (condition == "nonsocial" || condition == "social")
{
synth.SetOutputToWaveFile(path + "data\\agentAudio\\transformed.wav");
audioFilePath = "transformed.wav";
makecopy = true;
}
else
{
synth.SetOutputToWaveFile(path + "data\\agentAudio\\response.wav");
audioFilePath = "response.wav";
}
synth.Speak(response);
if (makecopy)
{
string formatFileName = string.Format("data\\agentAudio\\transformed_{0:yyyy-MM-dd_hh-mm-ss-tt}.wav", DateTime.Now);
audioFilePath = string.Format("transformed_{0:yyyy-MM-dd_hh-mm-ss-tt}.wav", DateTime.Now); synth.SetOutputToWaveFile(path + formatFileName);
synth.Speak(response);
}
synth.SetOutputToNull();
}
}
catch (Exception e)
{
SQLLog.InsertLog(DateTime.Now, "Something went wrong in generating speech", "", "ResponseGeneration.generateSpeech", 1);
}
});
t.Start();
t.Join();
Thread.Sleep(1000);
return(audioFilePath);
}