If you have a speech disorder, working with a speech therapist will help.
A voice coach will help you learn how to shape vowels and consonants differently and isolate various elements of speech.
Be your own vocal coach :)
You may find that it helps to emulate a voice you like. To do this, make sure to listen carefully to the enunciation, tone, pitch, and timbre of that voice.
– humming
– lip buzzing
– tongue trills
– loosening your jaw by opening your mouth wide, then gently closing it
– yawning
– deep breathing
– gently massaging your throat to loosen tense muscles