Initial commit: FunASR Speech Recognition Toolkit

Add complete FunASR codebase including models, runtime, and documentation.
2026-07-09 22:38:58 +08:00
commit 6116b1f3c6
3683 changed files with 990984 additions and 0 deletions
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+using System.Collections.Concurrent;
+using NAudio.Wave;
+using NAudio.CoreAudioApi;
+
+namespace AliFsmnVadSharp
+{
+    class WaveCollect
+    {
+        private string fileName = string.Empty;
+        private WaveInEvent? waveSource = null;
+        private WaveFileWriter? waveFile = null;
+        public static int wave_buffer_milliseconds = 600;
+        public static int wave_buffer_collectbits = 16;
+        public static int wave_buffer_collectchannels = 1;
+        public static int wave_buffer_collectfrequency = 16000;
+        public static readonly ConcurrentQueue<byte[]> voicebuff = new ConcurrentQueue<byte[]>();
+
+        public void StartRec()
+        {
+            // 获取麦克风设备
+            var captureDevices = new MMDeviceEnumerator().EnumerateAudioEndPoints(DataFlow.Capture, DeviceState.Active);
+            foreach (var device in captureDevices)
+            {
+                Console.WriteLine("Device Name: " + device.FriendlyName);
+                using (var capture = new WasapiLoopbackCapture(device))
+                {
+                    // 获取支持的采样率列表
+                    Console.WriteLine("Device Channels:" + capture.WaveFormat.Channels);
+                    Console.WriteLine("Device SampleRate:" + capture.WaveFormat.SampleRate);
+                    Console.WriteLine("Device BitsPerSample:" + capture.WaveFormat.BitsPerSample);
+                }
+            }
+            //清空缓存数据
+            int buffnum = voicebuff.Count;
+            for (int i = 0; i < buffnum; i++)
+                voicebuff.TryDequeue(out byte[] buff);
+
+            waveSource = new WaveInEvent();
+            waveSource.BufferMilliseconds = wave_buffer_milliseconds;
+            waveSource.WaveFormat = new WaveFormat(wave_buffer_collectfrequency, wave_buffer_collectbits, wave_buffer_collectchannels); // 16bit,16KHz,Mono的录音格式
+            waveSource.DataAvailable += new EventHandler<WaveInEventArgs>(waveSource_DataAvailable);
+            SetFileName(AppDomain.CurrentDomain.BaseDirectory + "tmp.wav");
+            waveFile = new WaveFileWriter(fileName, waveSource.WaveFormat);
+            waveSource.StartRecording();
+        }
+
+        public void StopRec()
+        {
+            if (waveSource != null)
+            {
+                waveSource.StopRecording();
+                if (waveSource != null)
+                {
+                    waveSource.Dispose();
+                    waveSource = null;
+                }
+                if (waveFile != null)
+                {
+                    waveFile.Dispose();
+                    waveFile = null;
+                }
+            }
+        }
+
+        public void SetFileName(string fileName)
+        {
+            this.fileName = fileName;
+        }
+
+        private void waveSource_DataAvailable(object sender, WaveInEventArgs e)
+        {
+            if (waveFile != null)
+            {
+                if (e.Buffer != null && e.BytesRecorded > 0)
+                {
+                    voicebuff.Enqueue(e.Buffer);
+                    //waveFile.Write(e.Buffer, 0, e.BytesRecorded);
+                    waveFile.Flush();
+                }
+
+            }
+        }
+
+        public static byte[] Wavedata_Dequeue()
+        {
+            byte[] datas;
+            voicebuff.TryDequeue(out datas);
+            return datas;
+        }
+
+        private void waveSource_RecordingStopped(object sender, StoppedEventArgs e)
+        {
+            if (waveSource != null)
+            {
+                waveSource.Dispose();
+                waveSource = null;
+            }
+
+            if (waveFile != null)
+            {
+                waveFile.Dispose();
+                waveFile = null;
+            }
+        }
+    }
+}