/// <summary>
/// 语音识别。如果是标准音频格式：pcm/16k/16位/单通道，则调用此方法。如果是其他格式的音频，请调用另一个方法并传入音频格式 WaveFormat 参数。
/// </summary>
/// <param name="audioData">小于 60s 的音频数据（总长度不超过1920k），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 bool AudioRecog(byte[] audioData, LanguageType languageType, out string recogResult)
{
if (Utils._languageRecogList == null || Utils._languageRecogList.Count <= 0)
{
recogResult = "无可识别的语种，请检查配置文件 Asr.Core.config 是否存在，或者是否正确配置。";
return(false);
}
Language language = Utils._languageRecogList.Find(o => o.Name == languageType.ToString());
if (language == null)
{
recogResult = "传入的语种未匹配上对应的能力。";
return(false);
}
AsrBase asr = null;
switch (language.Engine.ToLower())
{
case "baidu":
if (_baidu == null)
{
_baidu = BaiduAsr.GetInstance();
}
asr = _baidu;
break;
case "jths":
if (_jths == null)
{
_jths = JthsAsr.GetInstance();
}
asr = _jths;
break;
case "ifly":
if (_ifly == null)
{
_ifly = iFlyAsr.GetInstance();
}
asr = _ifly;
break;
default:
break;
}
if (asr != null)
{
return(asr.AudioRecog(audioData, languageType, out recogResult));
}
else
{
recogResult = "未匹配到对应的音频识别 sdk，请检查配置文件字段“engine”是否正确配置。";
return(false);
}
}
/// <summary>
/// 获取单例
/// </summary>
/// <returns>返回 JthsAsr 对象</returns>
public static JthsAsr GetInstance()
{
if (_instance == null)
{
lock (_lockObj)
{
_instance = new JthsAsr();
}
}
return(_instance);
}
/// <summary>
/// 释放资源
/// </summary>
public void Dispose()
{
if (_jths != null)
{
_jths.Dispose();
_jths = null;
}
if (_ifly != null)
{
_ifly.Dispose();
_ifly = null;
}
if (_baidu != null)
{
_baidu.Dispose();
}
DisposeAudioConvert();
}
