Monitor, a Vibrotactile Aid for Environmental Perception: A Field Evaluation by Four People with Severe Hearing and Vision Impairment

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Abbreviation</td><td align="left">Description</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">AM</td><td align="left">Amplitude modulation of a 250 Hz carrier wave.</td></tr><tr><td align="left">AMMC</td><td align="left">Amplitude modulation with multiple channels.</td></tr><tr><td align="left">TR</td><td align="left">Transferring data in the range of 0–5500 Hz to the range of 0–290 Hz.</td></tr><tr><td align="left">TRHA</td><td align="left">Transposing the 10 frequency components with highest amplitude in the range of 0–5500 Hz to the range of 52–470 Hz.</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The four algorithms used to process the sounds in the laboratory study.

The Scientific World Journal

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Table 2

Table 2: Monitor, a Vibrotactile Aid for Environmental Perception: A Field Evaluation by Four People with Severe Hearing and Vision Impairment 