Get the recorded data when an event triggers

[mithunvs]

I posted earlier about getting the data in the regular intervals in the same time of recording the audio and I got this code which works like a charm.This code gives the data at specified intervals (5 seconds in the sample code). Now I need the data to be available when an event triggers instead of regular intervals . Can you please suggest the modifications to be made on the existing code

`//1. init capture var soundIn = new WasapiLoopbackCapture(); soundIn.Initialize();

        //2. wrap capture to an audio stream
        var soundInSource = new SoundInSource(soundIn);

        //3. wrap audio stream within an NotificationSource in order to intercept samples
        var notificationSource = new NotificationSource(soundInSource.ToSampleSource());
        notificationSource.Interval = 5000; //5 seconds
        notificationSource.BlockRead += (s, e) =>
        {
            var filename = $"{DateTime.Now.Ticks}.wav";

            //send data provided by eventargs to api
            using (var writer = new WaveWriter(filename, notificationSource.WaveFormat))
            {
                Debug.Assert(e.Data.Length == e.Length);
                writer.WriteSamples(e.Data, 0, e.Length);
            }

            var length = TimeConverterFactory.Instance.GetTimeConverterForSource(notificationSource)
                .ToTimeSpan(notificationSource.WaveFormat, e.Length);
            Console.WriteLine($"Written {e.Length} ({length:g}) samples to file {filename}");
        };

        //4. convert whole chain back to WaveSource to write wave to the file
        var waveSource = notificationSource.ToWaveSource();

        //buffer for reading from the wavesource
        byte[] buffer = new byte[waveSource.WaveFormat.BytesPerSecond / 2];

        //5. if capture serves new data to the audio stream chain, read from the last chain element (wavesource) and write it back to the file
        // this will process audio data from capture to notificationSource to wavesource and will also trigger the blockread event of the notificationSource
        soundInSource.DataAvailable += (s, e) =>
        {
            int read;
            while ((read = waveSource.Read(buffer, 0, buffer.Length)) > 0)
            {
                //do nothing
            }
        };

        soundIn.Start();

        Console.ReadKey(); `

[filoe]

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