Abstract base class for IIR filters based on scipy lfilter implements a filter with coefficients that may be changed during processing
Should not be instanciated by itself
Python generator that yields the output block-wise.
This parameter defines the size of the blocks to be yielded (i.e. the number of samples per block).
- Samples in blocks of shape (num, numchannels).
Delivers the bandpass filtered output of source. The last block may be shorter than num.