The pitch of your voice is determined by how much your vocal cords vibrate. [2] X Research source If your voice sounds high or has a high pitch, it means your vocal cords are vibrating at a high frequency. [3] X Research source If your voice sounds low or deep, it means your vocal cords are vibrating at a lower frequency. [4] X Research source

Moisten your voice box and keep it sounding clear by working up a little extra saliva occasionally and swallowing.

Vocular allows you to measure how deep your voice sounds. It tells you how deep you are speaking and even lets you compare your voice to celebrities with similar sounding voices. [7] X Research source Eva is designed for transgender users who are currently transitioning and want to change the sound of their voice, such as pitch, tone or breathiness. [8] X Research source There are also many other free apps on the App Store, simply searching Voice will give you good results.

Raise your chin slowly while humming and then begin speaking directly from that humming voice, so that it sounds deeper.

Avoid using an overly airy, soft, smooth, too hollow-resonance or echo-like sound that you can feel in your chest (called a chest voice).

Have fun and experiment with friends and family to see how they react (they’re more likely to be forgiving). Try funny voices and odd tones to learn better control. And keep aiming to ensure that your voice sounds as you prefer it.

Your posture is important for achieving a good speaking voice.

Avoid smoking. Although smoking can give you a raspy or breathy voice, it will do long term damage to your health, including your vocal cords and lungs. [15] X Research source If you have a raspy voice that does not go away, you should seek medical attention.

Open your mouth quite naturally, in order to speak normally. Do not purse, cup or shape your lips or cheeks.