Some simple sound parameters useful in sound healing

Sound tones are being used for promoting peaceful, relaxing and stress reducing states, and with meditation. I use sound healing interludes with traditional sounds like healing bowls and bells between energetic music activities to enhance the benefits of both.

There are some elementary parameters of sound waves I have been teaching to school tours at the Musical Instrument Museum in Phoenix that I have excerpted here since they were written in layman’s terms:

WHAT IS VIBRATION?  Anything that oscillates or moves back in forth in place. Energy makes it vibrate.

WHAT IS A WAVE?   In science a mechanical wave is moving vibrational energy of a medium like water or air molecules. Does an ocean wave move the water from the ocean? No, just the energy is moving. The beach is not swallowed up by most ocean waves.

WHAT IS SOUND?   Sound is a wave of vibration energy of air molecules that we hear. The air molecules do not go with the wave. The energy of the vibrating air molecules transfers through each one in a line. How do we hear the sound? The vibrating energy vibrates our eardrums which is converted to electrical signals to our brain.

The science of sound is amazing.  The quality of the sounds are measured by 4 scientific variables.

  1. 1st is Amplitude, the amount of wave energy or sound volume
  2. 2nd the sound wave Speed through air
  3. 3rd  the sound Wavelength which is one cycle of the wave vibration
  4. 4th the pitch of the sound in wavelength cycles/sec called Frequency. Frequency is how fast something is vibrating. A frequency of 1 Hz is 1 wave cycle/sec, so low a sound pitch that we can’t hear it.

Sound Resonance is a principle of enhancing instrument sounds through an inner or outer chamber. The sound is amplified by sound waves interacting in the chamber and causing the inner walls of the chamber to vibrate enriching the sound qualities. This happens to any instrument with chambers, such as acoustic guitars, drums and tubes that have openings for the sounds to escape.

For more on sound waves and research see:

Wave. (2016, December 12). In Wikipedia, The Free Encyclopedia. Retrieved 16:00, December 12, 2016, from

Therapeutic Listening Communication in Children with Autism and Hyperacusis




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