Binaural beats are an auditory illusion that occurs when two tones of slightly different frequencies are played separately to each ear. This creates a perceived single pulsating tone that is perceived to be at the frequency of the difference between the two tones. Binaural beats are often used for relaxation or to help with sleep and are sometimes also used to improve focus and concentration or to induce a meditative state.

The carrier frequency refers to the base frequency to which a binaural beat is added. It's the primary tone that you hear in one ear before the offset (the binaural beat frequency) is applied to create the desired binaural beat in the brain. For example, if you play a tone of 300 Hz in the left ear and 310 Hz in the right ear. The brain will perceive a third tone of 10 Hz, the difference between the two frequencies. This third tone is the binaural beat.

Different offset frequencies correspond to different brainwave states:
- Delta (1-4 Hz): Deep sleep and relaxation.
- Theta (4-8 Hz): Drowsiness, meditation, and REM sleep.
- Alpha (8-14 Hz): Relaxed alertness and mindfulness.
- Beta (14-30 Hz): Active, analytical thought.
- Gamma (30-100 Hz): Associated with peak concentration and cognition.

All frequencies used: https://pastebin.com/7HfG0XMa

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