Non-Linear Summing Tutorial

Non-Linear Summing Tutorial

How to get a warm sound?   Over the past few decades, many popular songs were recorded in expensive studios with even more expensive equipment. One of these high-end pieces of equipment are definitely analog mixing desks, which are highly praised for the sound...

Ring Modulator

Analog telephony   The original application of the ring modulator was in the field of analog telephony for frequency-division multiplexing for carrying multiple voice signals over telephone cables.Frank A. Cowan invented it back in 1934 and patented in 1935 as an...

Frequency Shifter

What is a frequency shifter?   Frequency Shifter is a device which raises or lowers the frequency of an input signal. It does this using a complex amplitude modulation like technique. Unlike the pitch shifter, the frequency shifter does not preserve the harmonic...