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Blind signal separation method is the method that the source signals are obtained by separating only the mixed signals. Generally, separation precision is lower when blind signal separation method is used for the sound signals. It is the cause that the power of the sound signals is concentrated in the low-frequency band. Specifically, the high-frequency(More)
Various illnesses are caused by stress, and stress release is being carried out by musical therapy. A variety of music is used in the musical therapy, and it takes a long time for patient and music therapist to select the music. Generally, time selecting music can be reduced and the musical therapy can be done more easily if effective music for the purpose(More)
OBJECTIVE Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive technique with a high diagnostic yield used in the investigation of mediastinal diseases including sarcoidosis. Although previous reports have discussed the echoic features of metastatic mediastinal lymph nodes in lung cancer, few have addressed(More)
There is the over-sampling method which is one of the methods for realizing the blind identification. In the conventional method, the unknown system is usually assumed by FIR system and the estimation filter is also used by FIR filter. However, if a target system has long impulse length in many real environment, we may have to assume IIR system for the(More)
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