ExtensionCopies low bins from one input and the high bins of the other. Interpolates.
| bufferA |
fft buffer A. |
| bufferB |
fft buffer B. |
| wipe |
can range between -1 and +1. if wipe == 0 then the output is the same as inA. if wipe > 0 then it begins replacing with bins from inB from the bottom up. if wipe < 0 then it begins replacing with bins from inB from the top down. |