Creativity session · O11
Inverted Descent
A staged journey: 10 Hz → 18 Hz → 10 Hz, over 27 minutes.
Choose the full transition or begin at the advertised audio target. You can scrub and extend either path in the player.
Frequency journey
How the rhythmic pulse embedded in the sound changes from the opening moments to its destination.
The embedded pulse holds at 10 Hz in the Alpha range for a consistent rhythmic anchor. The authored target begins at 27 min and holds for 9 min.
Open-ended creative work
For creative work, the changing texture is designed to stay interesting without becoming a foreground composition.
Let the pattern settle
Ideation, sketching, free writing, and exploratory work without a rigid task rhythm. Start quietly and give the stable pattern a few minutes to recede behind what you are doing. You can also start directly at the target, scrub the journey, or extend the hold in the player.
Signal, not a scan. The line shows the modulation rate generated in the audio. It is not an EEG reading and does not promise that brain activity will follow the curve. Listening responses vary.
Signal specification
Every audible behavior is published. The values below describe the sound engine—not a biological dose or guaranteed effect.
Journey
- Beat start
- 10 Hz Alpha
- Beat target
- 10 Hz Alpha
- Ramp
- 27 min
- Session length
- 36 minutes
Sound field
- Carrier
- 363.2 Hz
- Modulation
- Isochronic
- Modulation depth
- 0.74
- Envelope
- Sigmoidal
- Duty cycle
- 50% on
- Harmonic mix
- 11%
- Noise field
- Dark Pink
- Spatial orbit
- 0.077 Hz one turn every 13s
Playback
- Delivery
- Isochronic, Monaural, Binaural or Poly-rhythmic
- Listening setup
- Speakers or headphones
Choose the spatial feel
This session starts in isochronic mode. You can change how the beat is delivered without changing the frequency journey, or add a Shepard-Risset carrier drift for a continuously falling timbre.
- Monaural
- Two tones summed before they reach you, so the beat exists in the air rather than being built in your head. Smoother and less percussive than isochronic, and it works on speakers.
- Binaural— needs stereo headphones
- Two carriers a few hertz apart, one per ear. The beat is constructed in your brainstem, so it needs stereo headphones to exist at all.
- Poly-rhythmic— needs stereo headphones
- Each ear gets its own carrier and its own beat, related by the golden ratio rather than driven in lockstep. Needs headphones — on a speaker the two channels sum and the distinction is lost.
New to these terms? Every row above, explained in plain language.
How this one is built
Multi-waypoint trajectories, three to five points. Unlike a ramp these can rise before they fall, hold a plateau, or double back — shapes a two-point curve cannot express at all.
Listen responsibly
Brainwavest is a wellness and relaxation tool, not a medical device. Session names and guidance describe design intent, not a promised physiological result. Binaural mode requires stereo headphones. Start quietly, and never use rhythmic audio while driving. Read the full safety notes.