Decimation filters ("polyphase") can be made more efficient by decimating first and filtering second, rather than filtering and decimating. For very long data, I think this could be a significant performance improvement, e.g., for downsampling the raw data to the LFP.
Decimation filters ("polyphase") can be made more efficient by decimating first and filtering second, rather than filtering and decimating. For very long data, I think this could be a significant performance improvement, e.g., for downsampling the raw data to the LFP.