Decimate the input signal by two using polyphase FIR halfband filter. This implementation of decimator takes advantage

[omidrostaei]

Decimate the input signal by two using polyphase FIR halfband filter.
This implementation of decimator takes advantage of the zero-valued coefficients, thereby making one of the polyphase branches a delay.
Input frame size must be even.







FIRHalfbandDecimator