- Set the frequency on Tone Generator to 233 Hz.
- Place your phone near your right ear.
- During the exercise:
- Inhale through your nose
- Tone during the exhale
- Fully empty your lungs and lengthen the exhale
- After 1-3 minutes, move the phone to your left ear and continue listening to the tone here for 1-3 minutes.
Once comfortable, tone the following vowels at 233 Hz using a louder-than-normal speaking voice:
After becoming comfortable with 233 Hz, try 144 Hz:
- Begin near the right ear
- Then progress to the left ear
You may later progress through the following frequencies in order, played near the left ear:
- 198 Hz
- 426 Hz
- 174 Hz
- 285 Hz
- 396 Hz
- 417 Hz
- 528 Hz
- 639 Hz
- 741 Hz
- 852 Hz