Effect of NSV (voice recordings)
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Speech cannot be recognized well, because of the nasal emission.
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Speech improved to be understood in daily conversation.
Submitting English recordings would be appreciated.
Effect of NSV (video recordings)
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In Japanese, he says "By using the NSV, I could talk with health insurance agent on phone. It was really helpful for me."
If you could provide a video of any other language to show the effect of NSV, it would be appreciated.
Effect and advantages
NSV is a small appliance which can be inserted into his/her nostril by himself/ herself. It is especially effective to a person who has nasal emission during speech.
旧版（５年次部分床義歯実習書.pdf）
