Filtering using Hamming

A Hamming window is applied in frequency domain. Note that if this is selected, the usual filtering controlled by  will not be applied. However, the centre frequency and the bandwidth for the Hamming windowing is taken from the filtering options, accessed by clicking . In the dialog box, the centre frequency and bandwidth are set as shown below.

Using the settings above will give the most weight to the frequencies around 1000 Hz and filter out all frequencies below 707 Hz and above 1414 Hz.