Function read_series 

pub fn read_series(
    path: &Path,
    dataset: &str,
    layout: Layout,
    sampling_rate: SamplingRate,
    labels: Option<Vec<String>>,
) -> Result<MultichannelSeries, Hdf5Error>

Reads one 2D numeric dataset as a signal. Any integer or float type is converted to f64. Without labels, channels are named ch0, ch1, …