/// <summary>
/// 发起语音识别请求
/// </summary>
/// <returns></returns>
IEnumerator _StartBaiduYuYin()
{
if (string.IsNullOrEmpty(accessToken))
{
yield return(_GetAccessToken());
}
asrResult = string.Empty;
//处理当前录音数据为PCM16
float[] samples = new float[recordFrequency * trueLength * saveAudioClip.channels];
saveAudioClip.GetData(samples, 0);
var samplesShort = new short[samples.Length];
for (var index = 0; index < samples.Length; index++)
{
samplesShort[index] = (short)(samples[index] * short.MaxValue);
}
byte[] datas = new byte[samplesShort.Length * 2];
Buffer.BlockCopy(samplesShort, 0, datas, 0, datas.Length);
string url = string.Format("{0}?cuid={1}&token={2}", "https://vop.baidu.com/server_api", SystemInfo.deviceUniqueIdentifier, accessToken);
WWWForm wwwForm = new WWWForm();
wwwForm.AddBinaryData("audio", datas);
UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, wwwForm);
unityWebRequest.SetRequestHeader("Content-Type", "audio/pcm;rate=" + recordFrequency);
yield return(unityWebRequest.SendWebRequest());
if (string.IsNullOrEmpty(unityWebRequest.error))
{
asrResult = unityWebRequest.downloadHandler.text;
if (Regex.IsMatch(asrResult, @"err_msg.:.success"))
{
Match match = Regex.Match(asrResult, "result.:..(.*?)..]");
if (match.Success)
{
asrResult = match.Groups[1].ToString();
textResult.text = asrResult;
if (asrResult != "")
{
analysisResult.text = ap.SentimentClassifyResult(asrResult);
}
}
}
else
{
asrResult = "识别结果为空";
textResult.text = asrResult;
}
}
}
public void Click()
{
if (typing_content.text != null)
{
Debug.Log(typing_content.text);
analysisResult.text = ap.SentimentClassifyResult(typing_content.text);
}
else
{
analysisResult.text = "无法识别";
}
}
