/// <summary>
/// 实时识别，可以一边输入音频，一边进行语音识别。
/// 整个会话时长最多持续60s，或者超过10s未发送数据服务器会自动断开连接。但是识别过程不会停止，会自动开启一个新的会话进行识别。
///
/// 分片大小建议至少在3000以上。小于1000就可能影响到识别速率（也取决于输入频率）。
/// </summary>
static async void ASR()
{
string path = @"02.pcm"; //测试文件路径,自己修改
int frameSize = 3200;
byte[] data = File.ReadAllBytes(path);
try
{
ASRApi iat = new ApiBuilder()
.WithAppSettings(new AppSettings()
{
ApiKey = "7b845bf729c3eeb97be6de4d29e0b446",
ApiSecret = "50c591a9cde3b1ce14d201db9d793b01",
AppID = "5c56f257"
})
.UseError((sender, e) =>
{
Console.WriteLine("错误：" + e.Message);
})
.UseMessage((sender, e) =>
{
Console.WriteLine("实时结果：" + e);
})
.BuildASR();
//计算识别时间
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < data.Length; i += frameSize)
{
//模拟说话暂停
await Task.Delay(100);
iat.Convert(SubArray(data, i, frameSize));
}
//结束本次会话
iat.Stop();
//等待本次会话结束
while (iat.Status != ServiceStatus.Stopped)
{
await Task.Delay(10);
}
sw.Stop();
Console.WriteLine($"总共花费{Math.Round(sw.Elapsed.TotalSeconds, 2)}秒。");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
static void ASRRecord()
{
try
{
Stopwatch sw = new Stopwatch();
sw.Start();
#region ASRApi
ASRApi iat = new ApiBuilder()
.WithAppSettings(new AppSettings()
{
ApiKey = "7b845bf729c3eeb97be6de4d29e0b446",
ApiSecret = "50c591a9cde3b1ce14d201db9d793b01",
AppID = "5c56f257"
})
.WithVadEos(5000) //将静默检测超时设置为5s
.UseError((sender, e) =>
{
Console.WriteLine("错误：" + e.Message);
})
.UseMessage((sender, e) =>
{
Console.WriteLine("实时结果：" + e);
})
.BuildASR();
#endregion
#region Record
using WaveInEvent wave = new WaveInEvent();
wave.WaveFormat = new WaveFormat(16000, 1);
wave.BufferMilliseconds = 50;
wave.DataAvailable += (s, a) =>
{
byte[] buffer = SubArray(a.Buffer, 0, a.BytesRecorded);
iat.Convert(buffer);
if (sw.ElapsedMilliseconds / 1000 > 60)
{
wave.StopRecording();
}
};
wave.RecordingStopped += (s, a) =>
{
Console.WriteLine("退出...");
};
Console.WriteLine("开始识别...");
wave.StartRecording();
//注册退出事件
Console.CancelKeyPress += (object sender, ConsoleCancelEventArgs eventArgs) =>
{
bool state = iat.Stop();
if (state)
{
Console.WriteLine("语音识别已退出...");
}
wave.StopRecording();
Console.WriteLine("`C");
};
//等待识别开始
while (iat.Status != ServiceStatus.Running)
{
Thread.Sleep(10);
}
#endregion
//等待本次会话结束
while (iat.Status != ServiceStatus.Stopped)
{
Thread.Sleep(10); //注意：此处不能使用Task.Delay();
}
wave.Dispose();
sw.Stop();
Console.WriteLine($"总共花费{Math.Round(sw.Elapsed.TotalSeconds, 2)}秒。");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
