Naad Brahm

Based on instrument DAMRU

Human has three types capacity for making noise without hands or other body parts... that is mouth, nose, and guda or gand road...

Maximum urja by mouth words

In winter by sneezing nose or in cold and cough situation while coming out side liquid from nose by sneezing....

By gand or guda due to fart...

Only mouth and fart noises same as..ppppppppppppp
Mostly....

12 to 15 meter long daigestiv system has capacity to making noise of such alphabets of Sanskrut पपपपपपपप looking like the numeric figure five...
Means there is such common thing between the same...

डम डम डम
Naad dam dam dam
By damru

In side body while odkaar...only ddddddddddddd
Means ड्ड्ड्ड्ड्ड्ड़ड़ड़ड़ड़

While fart P or प seat whole getting vibration and close
And
While odkaar d or S
Mouth oppening but in side the throt  the valve getting vibration and close...

Simple sentence
Whatever body has its fine and that same in Galaxy

Damru noise called as naad brahm

By the mud marble noise made on leather
Vibration done inside

One Man handle things for making noise

Called as
gar gar badshah
In farsee or Urdu...
same meaning and that is
Great God....

Jigar Mehta / Jaigishya