The meaning of “Letting out the voice from your belly”

It is true that your voice and singing can get and sound better if you let out the voice from your belly? Although, the voice does not exactly come out from the belly, it is a common reference which is referring to the target area and feeling experienced.

The mechanism is as follows;
(1)Growing the expiratory pressure

(2)Generating lifting power in the glottis by “Bernoulli’s principle”

(3)Improving the vocal cord when vibrating

(4)Make the voice sound louder and/or echoing.

Below is a more detailed clarification.
(1)Growing the expiratory pressure:
If someone asks you to, “let out your voice from the belly,” then you may suddenly become aware or focused on the belly and strain the abdominals. So, you probably have this common question, should you expand your belly or pull in your belly?
If you take a breath with pulling in your belly, the diaphragm lifts up, decreasing the space in the abdominal area causing the majority of air not to come into the lungs.
Conversely, if you take a breath while expanding your belly, the diaphragm goes down, increasing the space in the abdominal area and the majority of air will come into the lungs.
I recommend you imagine or practice. Try to stick out your belly when you take a breath.
Equally important is to notice that when you also let your breath out, if you try to stick out your belly slowly you can control a breath longer and a variety of breathing motions.
There are so many methods of breathing, but there is only one important fact to keep focused on… which is that the air only gets into the lungs and never in the abdominal.
The air should never get under the diaphragm.
The following figure shows the body’s condition when exhaling and inhaling air.

Anatomy Vector Medical illustration, human lung, Chest Cavity, p

The left figure shows the position of the diaphragm when exhaling and the right figure shows when inhaling and the lungs are filled with the air.
When the diaphragm moves up and down, the air gets in and out of the lungs. This is ‘a breath.’
(2)Bernoulli’s principle:
When the air is passing through the glottis, the air current is accelerating faster than around the glottis, and the vocal cords will close.
Maybe you are now questioning, if the air current is too much?
The air current is only too much if the air current flips the vocal cord. If this happens, you cannot expel the voice correctly and this is completely considered ‘leaking a breath.’ Therefore, if you want to use, Bernoulli’s principle properly, you have to control your breathing.
We usually control breathing by using the diaphragm. Recent studies have found out that the space of the resonance chamber can also control breathing. More frequently than ever, many great singers are controlling their breathing by using the resonance chamber.
(3)Improving the vocal cord vibrating:
You can open and close the glottis with minimal strength and effort if you can use Bernoulli’s principle precisely. In which through practice and training can make your voice stronger or weaker more easily.
This is really efficient when vibrating the vocal cord, by not using or needing extra strength or energy.
(4)Make the voice louder or echoing:
This result is from (3).
Letting out the voice from your belly has a profound meaning, and hopefully now it easier to imagine how to do that.
Please let out your voice from the belly!

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