Technology Details

Area of Technology:Electrical & Electronics

Title of the Innovation: HANDHELD AUDIOMETER

Brief About Innovation

The developed handheld Audiometer Device is used for the hearing assessment of the hearing impaired. The device is capable of testing air conduction and bone conduction pure tone audiometrics and generates audiograms. According to WHO reports, 1 in 5 people worldwide live with hearing loss. Carefully performed audiometry can make an invaluable contribution to diagnosis and management of patients with ear problems.  It is in the above context that the scientific invention and development of a cost-effective audiometer become a critical link in the process of identification and monitoring of people with hearing loss. The current invention is a novel handheld audiometer, is cost-effective, light weighted handy device which is easy to operate with high accuracy using DSP controllers. 

Salient Technical Features:

▪ Completely Digital – No Frequent Calibration Required
▪ Portable nature
▪ Compact size of 7”×4”× 3” (L×B×H)
▪ Weight
    o Audiogram Box: 422 gm
    o Bone conduction & Air Conduction Headphone: 260 gm.
▪ Automatic Synchronized Tone
▪ No of Audio Channel: 2
▪ HD 206 Head Phone: 110dB HL/95 dB (NBM)
     o Impedance:24Ώ, Sensitivity:108 dB
▪ Bone Conduction headset-B71
▪ Perform Bone conduction and Air-conduction test
▪ Masking Feature with amplitude control
▪ Tone: Pure tone
▪ Frequency Range:-
a. Air conduction 250 – 8000Hz
b. Bone Conduction 250 – 40000Hz
▪ Resolution ±5 dB
▪ Harmonic Distortion: =<10dB
▪ Audiogram display in 3.2” LCD screen

▪ Automatic result storage in SD card
▪ Power source: USB cable(Type-B)
▪ Can be powered from a power bank or Mobile charger
▪ User response indicator
▪ Power consumption: 5V, 150mA
▪ PC software with large features for patient management and data storage
▪ Easy-to-use graphical interface

IP Status: Granted Patent