private string ConvertOutputFormat(AudioOutputFormat format)
{
switch (format)
{
case AudioOutputFormat.Raw16Khz16BitMonoPcm:
return("raw-16khz-16bit-mono-pcm");
case AudioOutputFormat.Raw8Khz8BitMonoMULaw:
return("raw-8khz-8bit-mono-mulaw");
case AudioOutputFormat.Riff16Khz16BitMonoPcm:
return("riff-16khz-16bit-mono-pcm");
case AudioOutputFormat.Riff8Khz8BitMonoMULaw:
return("riff-8khz-8bit-mono-mulaw");
case AudioOutputFormat.Ssml16Khz16BitMonoSilk:
return("ssml-16khz-16bit-mono-silk");
case AudioOutputFormat.Raw16Khz16BitMonoTrueSilk:
return("raw-16khz-16bit-mono-truesilk");
case AudioOutputFormat.Ssml16Khz16BitMonoTts:
return("ssml-16khz-16bit-mono-tts");
case AudioOutputFormat.Audio16Khz128KBitRateMonoMp3:
return("audio-16khz-128kbitrate-mono-mp3");
case AudioOutputFormat.Audio16Khz64KBitRateMonoMp3:
return("audio-16khz-64kbitrate-mono-mp3");
case AudioOutputFormat.Audio16Khz32KBitRateMonoMp3:
return("audio-16khz-32kbitrate-mono-mp3");
case AudioOutputFormat.Audio16Khz16KbpsMonoSiren:
return("audio-16khz-16kbps-mono-siren");
case AudioOutputFormat.Riff16Khz16KbpsMonoSiren:
return("riff-16khz-16kbps-mono-siren");
case AudioOutputFormat.Raw24Khz16BitMonoPcm:
return("raw-24khz-16bit-mono-pcm");
case AudioOutputFormat.Riff24Khz16BitMonoPcm:
return("riff-24khz-16bit-mono-pcm");
case AudioOutputFormat.Audio24Khz48KBitRateMonoMp3:
return("audio-24khz-48kbitrate-mono-mp3");
case AudioOutputFormat.Audio24Khz96KBitRateMonoMp3:
return("audio-24khz-96kbitrate-mono-mp3");
case AudioOutputFormat.Audio24Khz160KBitRateMonoMp3:
return("audio-24khz-160kbitrate-mono-mp3");
default:
return("riff-16khz-16bit-mono-pcm");
}
}
private static void SpeakWithVoice(string tokenUri, string endpointUri, string key, string locale, string voiceName,
AudioOutputFormat format, string text = "Hello, how are you doing?",
string outputFile = null)
{
string accessToken = string.Empty;
// The way to get api key:
// Unified Speech Service key
// Free: https://azure.microsoft.com/en-us/try/cognitive-services/?api=speech-services
// Paid: https://go.microsoft.com/fwlink/?LinkId=872236&clcid=0x409
if (tokenUri != null)
{
Console.WriteLine("Starting Authtentication");
Authentication auth = new Authentication(tokenUri, key);
try
{
accessToken = auth.GetAccessToken();
Console.WriteLine("Token: {0}\n", accessToken);
}
catch (Exception ex)
{
Console.WriteLine("Failed authentication.");
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.Message);
return;
}
}
Console.WriteLine("Starting TTSSample request code execution.");
string requestUri = endpointUri;
var cortana = new Synthesize();
System.EventHandler <GenericEventArgs <Stream> > handler;
if (outputFile == null)
{
handler = PlayAudio;
}
else
{
handler = (sender, e) => SaveAudio(sender, e, outputFile);
}
cortana.OnAudioAvailable += handler;
cortana.OnError += ErrorHandler;
// Reuse Synthesize object to minimize latency
cortana.Speak(CancellationToken.None, new Synthesize.InputOptions()
{
RequestUri = new Uri(requestUri),
// Text to be spoken.
Text = text,
VoiceType = Gender.Female,
// Refer to the documentation for complete list of supported locales.
// Please note locale must be matched with voice locales.
Locale = locale,
VoiceName = voiceName,
OutputFormat = format,
// For onpremise container, auth token is optional
AuthorizationToken = "Bearer " + accessToken,
}).Wait();
cortana.OnAudioAvailable -= handler;
cortana.OnError -= ErrorHandler;
}
public virtual extern void GetAudioFormat([ComAliasName("DirectEncodeNET.AudioOutputFormat")] out AudioOutputFormat audioFormat);
