Through advancements in communication technology, temple transduction provides a solution for communication in noisy and dusty environments.
Temple transduction uses a bone conduction speaker, which sits somewhere on the skull bone to create vibrations that are sent via the bone directly to the inner ear.
These vibrations are then interpreted by the cochlea (inner ear) and created into electrical signals for the brain to interpret as speech or noise (as seen in figure 1). The advantage of sound and voice being transmitted by vibration is that communication remains viable in environments where it is not feasible or is too noisy for air transmission of sound or voice.
Figure 1
Another particularly useful feature of temple transduction is that environmental sounds, such as a building alarm, can still be heard even while an individual is wearing and communicating via a temple transducer. What this means is that users continue to remain fully aware of their surrounding environment, should this be an important part of the wearer’s job function.
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Temple Transducers
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Conversely, temple transducers can also be worn in conjuction with personal protective equipment (PPE) as they allow for on-going communication without interfering with the function of PPE such as ear plugs.
Another advantage of sound transmission through vibration is that the small size of the devices allows temple transducers to be used in conjunction with helmets, masks or breathing apparatus.
Motorola’s range of accessories which leverage this
technology include:
• throat microphones
• ear microphone systems
• headsets (light, medium and heavy duty)
• interfaces (for VOX applications).
Example of a Motorola medium
weight temple tranducer
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