61 lines
2.7 KiB
C#
61 lines
2.7 KiB
C#
using AliFsmnVadSharp;
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using AliFsmnVadSharp.Model;
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using NAudio.Wave;
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internal static class Program
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{
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[STAThread]
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private static void Main()
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{
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string applicationBase = AppDomain.CurrentDomain.BaseDirectory;
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string modelFilePath = applicationBase + "./speech_fsmn_vad_zh-cn-16k-common-pytorch/model.onnx";
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string configFilePath = applicationBase + "./speech_fsmn_vad_zh-cn-16k-common-pytorch/vad.yaml";
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string mvnFilePath = applicationBase + "./speech_fsmn_vad_zh-cn-16k-common-pytorch/vad.mvn";
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int batchSize = 2;
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TimeSpan start_time0 = new TimeSpan(DateTime.Now.Ticks);
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AliFsmnVad aliFsmnVad = new AliFsmnVad(modelFilePath, configFilePath, mvnFilePath, batchSize);
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TimeSpan end_time0 = new TimeSpan(DateTime.Now.Ticks);
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double elapsed_milliseconds0 = end_time0.TotalMilliseconds - start_time0.TotalMilliseconds;
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Console.WriteLine("load model and init config elapsed_milliseconds:{0}", elapsed_milliseconds0.ToString());
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List<float[]> samples = new List<float[]>();
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TimeSpan total_duration = new TimeSpan(0L);
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for (int i = 0; i < 2; i++)
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{
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string wavFilePath = string.Format(applicationBase + "./speech_fsmn_vad_zh-cn-16k-common-pytorch/example/{0}.wav", i.ToString());//vad_example
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if (!File.Exists(wavFilePath))
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{
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continue;
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}
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AudioFileReader _audioFileReader = new AudioFileReader(wavFilePath);
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byte[] datas = new byte[_audioFileReader.Length];
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_audioFileReader.Read(datas, 0, datas.Length);
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TimeSpan duration = _audioFileReader.TotalTime;
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float[] wavdata = new float[datas.Length / 4];
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Buffer.BlockCopy(datas, 0, wavdata, 0, datas.Length);
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float[] sample = wavdata.Select((float x) => x * 32768f).ToArray();
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samples.Add(wavdata);
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total_duration += duration;
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}
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TimeSpan start_time = new TimeSpan(DateTime.Now.Ticks);
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//SegmentEntity[] segments_duration = aliFsmnVad.GetSegments(samples);
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SegmentEntity[] segments_duration = aliFsmnVad.GetSegmentsByStep(samples);
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TimeSpan end_time = new TimeSpan(DateTime.Now.Ticks);
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Console.WriteLine("vad infer result:");
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foreach (SegmentEntity segment in segments_duration)
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{
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Console.Write("[");
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foreach (var x in segment.Segment)
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{
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Console.Write("[" + string.Join(",", x.ToArray()) + "]");
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}
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Console.Write("]\r\n");
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}
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double elapsed_milliseconds = end_time.TotalMilliseconds - start_time.TotalMilliseconds;
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double rtf = elapsed_milliseconds / total_duration.TotalMilliseconds;
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Console.WriteLine("elapsed_milliseconds:{0}", elapsed_milliseconds.ToString());
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Console.WriteLine("total_duration:{0}", total_duration.TotalMilliseconds.ToString());
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Console.WriteLine("rtf:{1}", "0".ToString(), rtf.ToString());
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Console.WriteLine("------------------------");
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}
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} |