Denoc Hearing Care Centre is one of the premier Hearing testing and Hearing Aid dispensing centers in Chennai. The name Denoc is derived from Decibel and Octave, the intensity of sound and music respectively. Denoc means to imply that Sound when heard by those who have less hearing, is Music to the ears Hearing aid centre Chennai , Denoc Hearing aid Centre in Nungambakkam. People in ... https://www.denochearing.com/siemens-products/