The method of air rinsing can be used to improve the voice or singing.
The original/natural voice is made by the vibrating vocal chord in the thyroid cartilage, which is really quiet.
The original voice is echoed by the laryngeal ventricle, the piriform recess, the pharynx, the oral cavity, and the nasal cavity. All which, make individual sounds.
This is logically a physical phenomenon. If you add articulation techniques and emotion to this sound, it’s possible to create an attractive voice.
Furthermore, the air (breath) goes through the glottis and comes out from the mouth, and then finally the nose. But, the mouth is especially important.
This is equivalent to the ringing sound of a trumpet or clarinet, that is the part of final articulation.
Air rinsing trains the soft tissues to acquire flexibility and activity.
You put the same amount of air in your mouth, when you use the water to brush your teeth, and rinse, circulating the air rhythmically.
The point is ↓
(1)Puffing the space between lip and teeth.
(2)Puffing cheeks largely.
Practice the above steps. Sometimes, increasing and decreasing the amount of air, by puffing only on the right and left side, slow or fast, and moving the muscles widely. (Please refer to the following photo)
Generally, it is enough to do this for 3 minutes per day.
With doing this exercise, you can stretch the depressor septi nasi muscle, the levator labii superioris, the levator anguli oris, the zygomatic muscles, the risorius, the depressor labii inferioris muscle, the depressor anguli oris muscle, the orbicularis oris muscle and the buccinator muscle.
Wind instruments are known for changing sounds, depending on the figure or size of air outlet. Humans possess those same mechanisms.
I’ve discovered that the use of lips was more important than I had thought, after investigating the larynx, chin and mouths of many great singers.
Note: This is not only for people who want to have a good voice, but for people who are also slightly affected by hypertonic phonation and mild spasmodic dysphonia.
Please try it!