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1
vote
1answer
102 views

How does a software equaliser work?

Recently I read that raw audio (uncompressed WAVE files) are stored in LPCM (Linear Pulse Code Modulation) encoded format. Now I believe that the LPCM encoding stores basically the waveform which the ...
0
votes
1answer
3k views

Are trapezoidal electricity waveforms safe for PCs?

My power inverter produces trapezoidal (TPZi) waveforms instead of sine waves. Is it safe to run my PC on this inverter?
5
votes
2answers
1k views

Attaching LCD monitor to UPS - output waveform matters or not?

I've got a quite expensive LCD monitor (~$1000) and I wish to protect it from instabilities in the power line. So I intend to get a UPS for it. I see two types of UPS devices which differ on the ...
3
votes
2answers
960 views

How to plot data for several signals, one above the other?

Following this question. How can I command gnuplot to draw this plot: (from the bottommost example on this page). I guess I need to do something similar to what is being done here. But what ...