Medical Questions & Answers

The impact of loud music dulls hearing for a few seconds, repeated or prolonged exposure to blaring music can reduce hearing power permanently. Surveys reveal less sensitivity to high-frequency sounds in practicing rock musicians, disco-veterans, rock concert fans and those who regularly listened to their Walk-mans at full volume. Any sound is safe for the ears upto a limit of 85 decibels. Typically, loud music clocks in at 100-120 decibels. In the average Walkman-type player, a volume setting 4 or 5 ranges between 93 and 108 decibels. Turn it up to setting 8, and the sound level hits 115 decibels or more. Whether it is a discotheque or an aerobics class, if the music drowns normal conversation, it is not safe for your ears. Researchers recommend a top limit of 100 decibels.
Digital hearing aids
Prisma digital hearing aids which are available as mini-BTE (behind the ear), ITE (in the ear), ITC (in the canal) and CIC (completely in the canal). Prisma offers a combination of digital signal processing (DSP) and twin mic system (TMS). The DSP allows digitisation of the incoming signal for quick analysis of the acoustic signal, which filters out noise and adds clarity to speech signals, while the TMS, advanced multi-directional microphones, allows the user to understand conversations even in noisy environments.

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