DEVICE FOR DETERMINING WHISTLE BLOWING SOUND/INHALING SOUND, AND WHISTLE MUSIC TEST DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a device for determining whether whistle is generated by blowing, or the whistle is generated by inhaling. SOLUTION: The device includes: a determination section which determines that the whistle is the blowing sound, when a mean value PLof a logarithm power spectrum in a band of 50 to 200 HZ of whistle sound which is input to a microphone 2 is larger than a certain value PS, and it is the inhaling sound, when PLis PSor less; and a display section for displaying determination results based on the determination. COPYRIGHT: (C)2010,JPO&INPIT