Bug: RecorderController.onCurrentDuration is twice the real duration

[outdoorapps]

I created a controller with

  final _controller = RecorderController();
  final _recorderSettings = const RecorderSettings(
    sampleRate: 16000,
    bitRate: 64000,
  );

Then I used a StreamBuilder to show the duration

                StreamBuilder(
                  stream: _controller.onCurrentDuration,
                  builder: (context, snapshot) => Text(
                    _formatDuration(snapshot.data ?? Duration.zero),
                    style: Theme.of(context).textTheme.titleMedium,
                  ),
                ),

The duration is however twice as much as the real duration, i.e. doing at 10 seconds record will show 20 seconds on the counter. I was running this on Android.