Signal Polar to Cartesian coordinate conversion
| signal | In left inlet: The magnitude (amplitude) of the frequency bin to be converted into a cartesian (real/imaginary) signal pair. In right inlet: The phase of the frequency bin to be converted into a cartesian (real/imaginary) signal pair. |

| Name | Description |
|---|---|
| cartopol | Cartesian to Polar coordinate conversion |
| cartopol~ | Signal Cartesian to Polar coordinate conversion |
| fft~ | Fast Fourier transform |
| fftin~ | Input for a patcher loaded by pfft~ |
| fftinfo~ | Report information about a patcher loaded by pfft~ |
| fftout~ | Output for a patcher loaded by pfft~ |
| frameaccum~ | Compute "running phase" of successive phase deviation frames |
| framedelta~ | Compute phase deviation between successive FFT frames |
| ifft~ | Inverse fast Fourier transform |
| pfft~ | Spectral processing manager for patchers |
| poltocar | Polar to Cartesian coordinate conversion |
| vectral~ | Vector-based envelope follower |
| MSP Tutorial 26: Frequency Domain Signal Processing with pfft~ | MSP Tutorial 26: Frequency Domain Signal Processing with pfft~ |