Some go the avenue of taking singing lessons. The belief is if they can learn to sing, they will learn to control their voice and therefore control how their voice sounds on a consistent basis.

Some people who want a deeper voice take lessons from a coach. The idea behind this type of deep voice training, is the use of inflection and other concepts to develop a deeper voice over time.

Both of these approaches take years and also require diligent practice and commitment. It can get frustrating applying yourself for a whole year or more and see absolutely no or little difference.

Some people become quite resolved about getting a deeper voice and see their doctor regarding getting HRT or hormone treatment therapy. This avenue does work but the drugs often have undesirable side effects.

Essentially, the cause of a high pitched voice is caused by a strained and tense set of vocal chords. Many people with a squeaky voice may notice sometimes when they wake up, they discover they have that nice deep voice. This is not uncommon, however as the day wears on, their voice quickly reverts back to the high pitch. This can be frustrating indeed. There is other avenues you may take, but the above 3 are the usual way people try and resolve this issue for themselves.