private async Task BufferWorker()
        {
            while (_working)
            {
                await Task.Delay(_provider.BufferedDuration);
                _provider.AddSamples(data, 0, data.Length);
            }
        }

        public void Open()
        {
            _working = true;
            _bufferWorker = BufferWorker();
        }
        public void Close()
        {
            _working = false;
            _bufferWorker.Wait();
            _bufferWorker = null;
        }