Latest questions about "frequency"

I keep receiving the message, "Error creating Frequency metrics table" when completing the Fire Rasters to Frequency function, and am not sure how to correct the error.

I'm modeling a machine foundation in Plaxis and I need to find its natural frequency. How can I do it?

Looking over the BASS libraries, I've got the idea that this player could be modified to support an external sound card for the WAV files playback of high resolution.

I want to know what frequency band is required for a single user/caller to make a call on GSM?