We are all familiar with the idea that a regular business or residential telephone line comes from the local phone company. Regular phone lines are delivered on a pair of copper wires which send your voice as an analog signal. Using a basic modem on such phone lines can send data at about 30 kilobits [...]
All telephone recordings regardless of the device used must be recorded in analog. An analog signal is the only signal discernible to humans. If you have a business phone system it is most likely digital or VoIP. These signals must be converted to analog.HOW TO INTERFACE A RECORDER1. Directly to analog lines from your phone [...]
It happens many people have no idea what Digital Signal Processing means, although they do hear more and more often these words, today. Considering the name, Digital Signal Processing, people are lead towards thinking this procedure deals with digital signals. No; Digital Signal Processing is a method of improving the quality of the analog signals, [...]