•Bronchophony is normal if the sound of 99 is muffled and indistinct when repeated by the patient during auscultation.

•If there is consolidation in the lungs the sound of 99 will be very clear.

•Ego-phony is normal if the pronunciation of the letter “e” is muffled. However if the pronunciation of “e” sounds like “a” then there is consolidation in the lungs

•Whispered pecto-ri-lo-quy is the whispering of 1-2-3 by the patient during auscultation. If the lungs are normal , the sound will be heard faintly. If there is consolidation in the lungs the whisper will be heard loudly