/// <summary>
/// 异步调用ASRT语音识别语言模型
/// </summary>
/// <param name="sequencePinyin"></param>
/// <returns></returns>
public override async Task <object> RecogniteLanguageAsync(string[] sequencePinyin)
{
AsrtApiLanguageRequest requestBody = new AsrtApiLanguageRequest(sequencePinyin);
string rsp = await Common.HttpPostAsync(_url + _subPath + "/language", "application/json", requestBody.ToJson());
AsrtApiResponse responseBody = new AsrtApiResponse();
responseBody.FromJson(rsp);
return(responseBody);
}
/// <summary>
/// 异步调用ASRT语音识别声学模型
/// </summary>
/// <param name="wavData"></param>
/// <param name="sampleRate"></param>
/// <param name="channels"></param>
/// <param name="byteWidth"></param>
/// <returns></returns>
public override async Task <object> RecogniteSpeechAsync(byte[] wavData, int sampleRate, int channels, int byteWidth)
{
AsrtApiSpeechRequest requestBody = new AsrtApiSpeechRequest(wavData, sampleRate, channels, byteWidth);
string rsp = await Common.HttpPostAsync(_url + _subPath + "/speech", "application/json", requestBody.ToJson());
AsrtApiResponse responseBody = new AsrtApiResponse();
responseBody.FromJson(rsp);
return(responseBody);
}
private async void Timer_Tick(object sender, object e)
{
Console.WriteLine("Ailemon.Asrt.AsrtClientProxy: 录音周期流式传输");
// 定时从缓存中读取wave数据，并送去语音识别
Stream waveMemStream = _audioRecorder.PopMemoryStream();
WaveData wav = SDK.ReadWaveDatas(waveMemStream);
AsrtApiResponse rsp = (AsrtApiResponse)await _speechRecognizer.RecogniteAsync(wav.byteWavs, wav.sampleRate, wav.channels, wav.byteWidth);
AsrtResult result = new AsrtResult((string)rsp.Result, true, rsp.StatusCode, rsp.StatusMessage);
OnReceiveText(this, result);
}
private async void btn_recognite_file_Click(object sender, RoutedEventArgs e)
{
string filename = "";
Microsoft.Win32.OpenFileDialog openFileDialog = new Microsoft.Win32.OpenFileDialog();
openFileDialog.Filter = "WAVE音频文件|*.wav";
openFileDialog.DefaultExt = "WAVE音频文件|*.wav";
if (openFileDialog.ShowDialog() == true)
{
filename = openFileDialog.FileName;
Ailemon.Asrt.BaseSpeechRecognizer sr = Ailemon.Asrt.SDK.GetSpeechRecognizer(host, port, protocol);
Ailemon.Asrt.AsrtApiResponse rsp = (Ailemon.Asrt.AsrtApiResponse) await sr.RecogniteFile(filename);
System.Console.WriteLine((string)rsp.Result);
AsrtResult result = new AsrtResult("\n" + (string)rsp.Result + "\n", true, rsp.StatusCode, rsp.StatusMessage);
SpeechRecognizer_OnReceiveText(sender, result);
}
}
/// <summary>
/// 异步停止客户端调用ASRT语音识别
/// </summary>
public async void StopAsync()
{
if (_isRecognizing)
{
timer.Stop();
Console.WriteLine("Ailemon.Asrt.AsrtClientProxy: 停止录音识别");
try
{
// 从缓存中读取wave数据，并送去语音识别
Stream waveMemStream = _audioRecorder.Stop();
WaveData wav = SDK.ReadWaveDatas(waveMemStream);
AsrtApiResponse rsp = (AsrtApiResponse)await _speechRecognizer.RecogniteAsync(wav.byteWavs, wav.sampleRate, wav.channels, wav.byteWidth);
AsrtResult result = new AsrtResult((string)rsp.Result, true, rsp.StatusCode, rsp.StatusMessage);
OnReceiveText(this, result); //产生事件
}
catch (Exception ex)
{
string str = ex.Message;
}
_isRecognizing = false;
}
}
