質問編集履歴
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test
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test
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### 前提・実現したいこと
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- C#
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- NAudio
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- CAPIO API
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マイク入力した音声をNAudioで取得し、
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ストリーミングでテキスト変換したい
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### 発生している問題・エラーメッセージ
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API側から変換結果が ””空で返ってきます。
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ステップ実行すると、下記のソースの”SourceStreamDataAvailable”で
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ループしてしまうのですが、
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原因がよくわかりません。
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C# は普段使わない言語のため、四苦八苦しております。
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### 教えていただきたいこと
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- ”SourceStreamDataAvailable”でループしなくなる方法
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- ストリーミングWAVファイルを一定時間(5秒など)で区切ってリクエストする方法
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どなたかご教示いただけませんでしょうか。
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### 該当のソースコード
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```C#
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public partial class Main : Form
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{
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private void btnStartRealTimeConvert_Click(object sender, EventArgs e)
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{
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StartRecording();
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}
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public void StartRecording()
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{
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this.isStoped = false;
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myAPIClient = new myAPIClient(this, this.txtSourceVoiceFiles.Text, iReadBytes, 0);
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this.inputWaveIn = new WaveIn
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{
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DeviceNumber = iSelectedDeviceNumber,
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WaveFormat = new WaveFormat(16000, 16, WaveIn.GetCapabilities(iSelectedDeviceNumber).Channels)
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};
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this.inputWaveIn.DataAvailable += this.SourceStreamDataAvailable;
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this.inputWaveIn.StartRecording();
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}
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public void SourceStreamDataAvailable(object sender, WaveInEventArgs e)
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{
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if (this.isStoped) return;
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if (e.BytesRecorded > 0)
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{
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this.threadRealTime = new Thread(() => myAPIClient.ExecuteWebSocketRequestForRealTime(e.Buffer, e.BytesRecorded));
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this.threadRealTime.Start();
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}
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}
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}
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public sealed class MyAPIClient : IDisposable
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{
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public MyAPIClient(Main mainForm, string audioPath, int readBytes, int inputDeviceIndex)
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{
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this.apiKey = ConfigurationManager.AppSettings["apiKey"];
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this.objMainForm = mainForm;
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this.AudioPath = audioPath;
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this.AudioFileName = Path.GetFileName(audioPath);
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this.iReadBytes = readBytes;
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this.isAbort = false;
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}
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public void ExecuteWebSocketRequestForRealTime(byte[] buffer, int burrerLength)
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{
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if (this.isAbort)
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{
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), "Abort!!");
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objMainForm.RefreshStatusText(msg);
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return;
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}
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var ctx = new JObject
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{
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{"apiKey", apiKey},
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{"partial", true},
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{"autostop", false},
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{"nbest", 1},
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{"heatbeat",true},
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{"raw",true},
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}.ToString();
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var context = new JObject
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{
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{"context", ctx }
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};
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var disconnect = new JObject
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{
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{"disconnect", true }
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};
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var options = new IO.Options { Transports = ImmutableList.Create("websocket") };
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ManualResetEvent resetEvent = new ManualResetEvent(false);
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mySocket = IO.Socket("XXXXXXXXXXXXXXXXX", options);
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mySocket.On(Socket.EVENT_CONNECT, () =>
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{
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mySocket.Send(context);
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), context.ToString());
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objMainForm.RefreshSendDataText(msg);
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), "send : context data for connect");
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objMainForm.RefreshStatusText(msg);
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+
修正中
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{
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var audio = new JObject
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{
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{"audio", buffer.Take(burrerLength).ToArray()}
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};
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mySocket.Send(audio);
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), audio.ToString());
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objMainForm.RefreshSendDataText(msg);
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), "send : audio data");
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objMainForm.RefreshStatusText(msg);
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}
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finally
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{
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//mySocket.Send(disconnect);
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//msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), disconnect.ToString());
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//objMainForm.RefreshSendDataText(msg);
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//msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), "send : data for disconnect");
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//objMainForm.RefreshStatusText(msg);
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}
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});
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mySocket.On(Socket.EVENT_MESSAGE, data =>
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{
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Console.WriteLine(data);
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string strGetRawDate = data.ToString();
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objMainForm.RefreshConvertedText_L(GetTranscriptFromJson(strGetRawDate, 0));
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objMainForm.RefreshConvertedText_R(GetTranscriptFromJson(strGetRawDate, 1));
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objMainForm.RefreshReceiveDataText(strGetRawDate);
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});
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mySocket.On(Socket.EVENT_CONNECT_ERROR, (err) =>
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{
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Console.WriteLine(err);
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), err.ToString());
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objMainForm.RefreshStatusText(msg);
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});
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mySocket.On(Socket.EVENT_CONNECT_TIMEOUT, (err) =>
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{
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Console.WriteLine(err);
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), err.ToString());
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objMainForm.RefreshStatusText(msg);
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});
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mySocket.On(Socket.EVENT_DISCONNECT, (err) =>
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{
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Console.WriteLine(err);
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msg = string.Format("[{0}] : [{1}]", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"), err.ToString());
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objMainForm.RefreshStatusText(msg);
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});
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resetEvent.WaitOne();
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mySocket.Close();
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}
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}
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```
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### 試したこと
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- Sleep処理
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APIサーバと切断されてしまい、空の結果すら返ってこなくなる(500エラー)
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- NAudioのWaveFileWriter
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下記のサイトを参考にWaveFileWriterをつかってみるも、うまくいかない。
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https://codeday.me/jp/qa/20190621/1063224.html
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1秒のWavファイルは生成された。。。
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