'Threshold shift' presentation slideshows

Ears 2 U: Hearing 101

551 views • 44 slides

Environmental Noise and Health: The Latest Evidence

Environmental Noise and Health: The Latest Evidence. Professor Deepak Prasher Institute of Laryngology and Otology University College London. Day and Night Noise Levels. Typical Noise Level LeqdBA Day Night Acoustical Quality 35 35 natural sounds only 50 40 quiet rural environment

321 views • 30 slides

Noise Control (A System Approach)

noise source. path of propagation. reduce the strength. impede the acoustic energy along its transmission path. Noise Control (A System Approach). protect the individual at the receiving end from exposure to the noise. individual receiving the noise. Principle:

701 views • 29 slides

HEARING CONSERVATION PROGRAM

HEARING CONSERVATION PROGRAM. COMDTINST M5100.47 Chapter 4. PURPOSE. PREVENT HEARING LOSS REDUCE HEALTH & ECONOMIC IMPACT. Program Elements. Identify, assess, and post hazardous noise source. Determine extent of personal exposed Engineer method to abate

441 views • 17 slides

What if cross-hearing is a problem?

What if cross-hearing is a problem?. Necessary to prevent NTE from responding. Procedure: MASKING. Types of masking: Central versus peripheral Central masking: Elevation of threshold of a pure tone presented to one ear when noise is presented to the other ear. Around 5 dB threshold shift.

195 views • 1 slides