public virtual Stream TextToSpeech(string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
return(PolicyService.ExecuteRetryAndCapture400Errors(
"SpeechService.TextToSpeech",
ApiKeys.BingSpeechRetryInSeconds,
() =>
{
var result = SpeechRepository.TextToSpeech(text, locale, voiceName, voiceType, outputFormat);
return result;
},
null));
}
public virtual Stream TextToSpeech(string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
try {
var result = SpeechRepository.TextToSpeech(text, locale, voiceName, voiceType, outputFormat);
return(result);
} catch (Exception ex) {
Logger.Error("SpeechService.TextToSpeech failed", this, ex);
}
return(null);
}
public virtual async Task <Stream> TextToSpeechAsync(string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
var response = await RepositoryClient.GetAudioStreamAsync(
$"{ApiKeys.BingSpeechEndpoint}synthesize",
text,
locale,
voiceName,
voiceType,
outputFormat,
RepositoryClient.SendBingSpeechTokenRequest(ApiKeys.BingSpeech));
return(response);
}
public virtual SpeechToTextResponse SpeechToText(Stream audioStream, ScenarioOptions scenario, BingSpeechLocaleOptions locale, SpeechOsOptions os, Guid fromDeviceId, int maxnbest = 1, int profanitycheck = 1)
{
try {
var result = SpeechRepository.SpeechToText(audioStream, scenario, locale, os, fromDeviceId, maxnbest, profanitycheck);
return(result);
} catch (Exception ex) {
Logger.Error("SpeechService.SpeechToText failed", this, ex);
}
return(null);
}
public virtual async Task <Stream> GetAudioStreamAsync(string url, string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat, string token)
{
HttpClientHandler handler = new HttpClientHandler()
{
CookieContainer = new CookieContainer(), UseProxy = false
};
HttpClient client = new HttpClient(handler);
client.DefaultRequestHeaders.Clear();
var Headers = GetAudioHeaders(token, outputFormat);
foreach (var header in Headers)
{
client.DefaultRequestHeaders.TryAddWithoutValidation(header.Key, header.Value);
}
var request = new HttpRequestMessage(HttpMethod.Post, url)
{
Content = GetAudioContent(text, locale, voiceName, voiceType)
};
var response = await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, CancellationToken.None);
return(await response.Content.ReadAsStreamAsync());
}
public virtual StringContent GetAudioContent(string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType)
{
return(new StringContent($"<speak version=\"1.0\" xmlns:lang=\"en-US\"><voice xmlns:lang=\"{JsonConvert.SerializeObject(locale)}\" xmlns:gender=\"{JsonConvert.SerializeObject(voiceType)}\" name=\"{voiceName}\">{text}</voice></speak>"));
}
public virtual SpeechToTextResponse SpeechToText(Stream audioStream, ScenarioOptions scenario, BingSpeechLocaleOptions locale, SpeechOsOptions os, Guid fromDeviceId, int maxnbest = 1, int profanitycheck = 1)
{
return(PolicyService.ExecuteRetryAndCapture400Errors(
"SpeechService.SpeechToText",
ApiKeys.BingSpeechRetryInSeconds,
() =>
{
var result = SpeechRepository.SpeechToText(audioStream, scenario, locale, os, fromDeviceId, maxnbest, profanitycheck);
return result;
},
null));
}
/// <summary>
/// This transcribes voice queries
/// </summary>
/// <param name="audioStream">Audio stream</param>
/// <param name="scenario">The context for performing a recognition.</param>
/// <param name="locale">Language code of the audio content in IETF RFC 5646. Case does not matter. </param>
/// <param name="os">Operating system the client is running on. This is an open field but we encourage clients to use it consistently across devices and applications.</param>
/// <param name="fromDeviceId">A globally unique device identifier of the device making the request.</param>
/// <param name="maxnbest">Maximum number of results the voice application API should return. The default is 1. The maximum is 5. Example: maxnbest=3</param>
/// <param name="profanitycheck">Scan the result text for words included in an offensive word list. If found, the word will be delimited by bad word tag. Example: result.profanity=1 (0 means off, 1 means on, default is 1.)</param>
public virtual async Task <SpeechToTextResponse> SpeechToTextAsync(Stream audioStream, ScenarioOptions scenario, BingSpeechLocaleOptions locale, SpeechOsOptions os, Guid fromDeviceId, int maxnbest = 1, int profanitycheck = 1)
{
string url = GetSpeechToTextUrl(scenario, locale, os, fromDeviceId, maxnbest, profanitycheck);
string token = RepositoryClient.SendBingSpeechTokenRequest(ApiKeys.BingSpeech);
byte[] data = RepositoryClient.GetByteArray(audioStream);
var response = await RepositoryClient.SendAsync(ApiKeys.BingSpeech, url, data, contentType, "POST", token, true, "speech.platform.bing.com");
return(JsonConvert.DeserializeObject <SpeechToTextResponse>(response));
}
protected virtual string GetSpeechToTextUrl(ScenarioOptions scenario, BingSpeechLocaleOptions locale, SpeechOsOptions os, Guid fromDeviceId, int maxnbest, int profanitycheck)
{
return($"{ApiKeys.BingSpeechEndpoint}recognize?version=3.0&scenarios={scenario}&appid=D4D52672-91D7-4C74-8AD8-42B1D98141A5&requestid={Guid.NewGuid()}&format=json&locale={locale}&device.os={os}&instanceid={fromDeviceId}&maxnbest={maxnbest}&result.profanitymarkup={profanitycheck}");
}
