| Summary: | 碩士 === 國立陽明大學 === 醫學工程研究所 === 88 === Human sensory system is important to human beings . Ross once said " The better children can hear , the better they are able to learn . " By the way , we saw the importance of hearing sensory system in the young children group . Many foreign journal had reported that the FM sound field system is excellent in noise susceptibility and is wireless . So we imaged the way that by placing the speakers as the new sound sources to enhance the signal level . And selecting some different material as absorption material to correct the echo , reflection , and reverberation to reduce the noise level to achieve a high signal to noise ratio environment .
Many skills were used to do this job . To achieve the best fitted answer , finite element analysis was frequently used to solve this problem . But the human interface of this kind of software is usually not so friendly for the general group like the parents or teachers to use it . Especially the mesh method . It usually wastes a lot of time to be aware of this and do this .
So we prefer to create another human interface . Of course , it must have the property that is easy to be used . By the way , the result calculated by the software must also be correct . At least it must fall in the reasonable range .
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