| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Towards an international standard for snore-based system for the diagnosis of obstructive sleep apnea syndrome (OSAS), we have developed the following five methods:(1)neural newtork(NN)-based breathing sound detection method which can accurately detect breathing sounds in a sleep sound recording, (2) automatic method to classify snore and breathing sounds using the feature:‘positive/ negative amplitude ratio (PNAR)’to capture the shape of the sound signal, (3)NN-based fundamental approach which is capable of rapidly detecting breathing sounds with low signal to noise ratio (SNR) with the same accuracy as the conventional method, (4)a basic approach to classify the sleep sound into two categories using a model considering human auditory properties, (5)a fundamental approach to model the basic hearing abilities of absolute pitch possessors.
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