13.56 Hz Alpha–Beta Edge (12 Hours) – BLACK SCREEN • Deep Focus, Study, Flow

This video plays a continuous 13.56 Hz low-frequency tone for 12 hours on a completely black screen – no music, no melody, no visuals. Just one steady signal right at the border between infrasound and the lowest audible range.

In EEG research, around 13–30 Hz is known as the beta brainwave band, while 8–13 Hz is the alpha range.
A frequency like 13.56 Hz sits on the edge between relaxed alpha and alert low-beta activity – but this video is just an external sound wave, not a brainwave, and it does not claim to change your EEG or provide any medical or psychological effect.

Use this 13.56 Hz track in your own way, for example as:

Minimalist background sound for deep focus, studying or coding

A dark, distraction-free backdrop for thinking, planning or journaling

Neutral sound masking to soften ambient noise

A simple low-frequency test signal for speakers, headphones or room acoustics

What’s inside:

Duration: 12 hours (12:00:00) continuous playback

Audio: single 13.56 Hz low-frequency tone at a constant level

Visual: full black screen – no motion, no flashing, OLED-friendly

How to listen:

Start at very low volume – low frequencies can stress speakers if pushed too hard.

Increase slowly until you reach a comfortable level; never drive your system at its limit.

Avoid listening at high volume for long periods – protect your ears and your gear.

Do not use headphones at high levels, and never while driving or operating machinery.

⚠️ Disclaimer:
This audio is for ambient listening, audio testing and personal experimentation only. It does not claim to heal, cure, treat or prevent any condition and is not a substitute for medical, psychological or therapeutic care. If you have hearing, health or sleep issues, please consult a qualified professional.

If this 13.56 Hz alpha–beta edge tone helps you lock into your flow, add it to your focus / study playlist and return whenever it’s time to get serious work done on a black screen.
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Disclaimer:
The audio content on this channel is intended for relaxation and entertainment purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. If you are experiencing physical or mental health issues, please consult a qualified healthcare provider.
Do not listen to these frequencies if you have a medical condition that may be affected by sound stimulation (e.g. epilepsy, auditory sensitivity, or neurological disorders). Use responsibly and avoid listening while driving or operating heavy machinery.