Figure 4. A snapshot, in time, of two complex numbers whose exponents, and thus their phase angles, change with time. The notion of negative frequency is often troubling to engineers who've spent so ...

Theta waves are one of the five types of electrical pulses your brain produces. They tend to happen when you’re lightly sleeping, dreaming, or in a state of deep relaxation. Experts believe they play ...

The boundaries of a room create what is known as room modes. Room modes accentuate or elevate the frequency response. In many instances certain dimensions work together to create very strong ...

Listening to audio with binaural beats may benefit your mental health and promote creativity and focus. When you hear two tones — one in each ear — that are slightly different in frequency, your brain ...