Seismosoft | Earthquake Engineering Solutions

Good afternoon everyone.
I am a new user of the program and I would like your help to resolve a question. How can I make a band pass filter between 0.50-0.70 and 25-27 sec ? In other words, a trapezoidal filter.

Thank you very much in advance for your help. Greetings from Peru

Goodnight,
I have a question about the scale factor parameter for the algorithm proposed by Hancock et al. I read that this parameter can be modified to obtain a better coincidence with the target spectrum. However, I would like to know what criteria are used to modify this parameter. I hope you can ...