/// <summary>
/// 语音识别
/// </summary>
/// <param name="audioData">小于 60s 的音频数据，音频格式要求：pcm/16k/16位/单通道 。</param>
/// <param name="languageType">音频语种类型</param>
/// <param name="recogResult">识别成功返回识别结果，识别失败返回错误消息</param>
/// <returns>识别成功或失败，true-成功；false-失败</returns>
public override bool AudioRecog(byte[] audioData, LanguageType languageType, out string recogResult)
{
if (_isSdkInit == false)
{
recogResult = _errMsg;
return(false);
}
int pid = GetPID(languageType);
if (pid == -1)
{
recogResult = _errMsg = "百度语音识别不具备该语种的识别能力。";
return(false);
}
// 可选参数
var options = new Dictionary <string, object> {
{ "dev_pid", pid }
};
JObject jsonObj = _client.Recognize(audioData, "pcm", 16000, options);
int err_no = jsonObj.Value <int>("err_no");
string err_msg = jsonObj.Value <string>("err_msg");
if (err_no == 0)
{
JArray jList = JArray.Parse(jsonObj["result"].ToString());
recogResult = jList[0].ToString();
return(true);
}
else
{
_errMsg = recogResult = err_msg;
return(false);
}
}
