This is why proficient esophageal speakers' voice is sonorous, clear and crisp.
IX. SYNTHETIC TRAINING
It is at last the time when the final touches should be given to your new voice - your esophageal speech which you have developed so far. It is important for you to keep in mind the following.
(1) Clearness (High Intelligibility)
As mutual understanding is the essential prerequisite to our conversation, it is most important that what we say should be caught distinctly. We should, for that purpose, pronounce every sound composing the words clearly and without haste.