66 lines
3.0 KiB
C#
66 lines
3.0 KiB
C#
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using AliParaformerAsr;
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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 modelName = "speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx";
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string modelFilePath = applicationBase + "./"+ modelName + "/model_quant.onnx";
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string configFilePath = applicationBase + "./" + modelName + "/asr.yaml";
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string mvnFilePath = applicationBase + "./" + modelName + "/am.mvn";
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string tokensFilePath = applicationBase + "./" + modelName + "/tokens.txt";
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AliParaformerAsr.OfflineRecognizer offlineRecognizer = new OfflineRecognizer(modelFilePath, configFilePath, mvnFilePath, tokensFilePath);
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List<float[]>? samples = null;
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TimeSpan total_duration = new TimeSpan(0L);
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if (samples == null)
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{
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samples = new List<float[]>();
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for (int i = 0; i < 5; i++)
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{
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string wavFilePath = string.Format(applicationBase + "./" + modelName + "/example/{0}.wav", i.ToString());
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if (!File.Exists(wavFilePath))
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{
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break;
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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(sample);
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total_duration += duration;
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}
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}
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TimeSpan start_time = new TimeSpan(DateTime.Now.Ticks);
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//1.Non batch method
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foreach (var sample in samples)
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{
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List<float[]> temp_samples = new List<float[]>();
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temp_samples.Add(sample);
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List<string> results = offlineRecognizer.GetResults(temp_samples);
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foreach (string result in results)
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{
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Console.WriteLine(result);
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Console.WriteLine("");
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}
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}
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//2.batch method
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//List<string> results_batch = offlineRecognizer.GetResults(samples);
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//foreach (string result in results_batch)
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//{
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// Console.WriteLine(result);
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// Console.WriteLine("");
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//}
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TimeSpan end_time = new TimeSpan(DateTime.Now.Ticks);
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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("end!");
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}
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}
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