// How annoying the VinnieFalco filters deal with the number of channels as a template parameter :-/
template<typename FiltType>
inline std::shared_ptr<Dsp::Filter> create_filter(int numchans, int smoothlen=512)
{
    if (numchans==1)
        return std::make_shared<Dsp::SmoothedFilterDesign<FiltType, 1>>(smoothlen);
    if (numchans==2)
        return std::make_shared<Dsp::SmoothedFilterDesign<FiltType, 2>>(smoothlen);
    if (numchans==3)
        return std::make_shared<Dsp::SmoothedFilterDesign<FiltType, 3>>(smoothlen);
    if (numchans==4)
        return std::make_shared<Dsp::SmoothedFilterDesign<FiltType, 4>>(smoothlen);
    // **ck it for other channel counts, let's just say 8 is enough
    return std::make_shared<Dsp::SmoothedFilterDesign<FiltType, 8>>(smoothlen);
}