振動数決定用動画

Movie clips for determining the frequency of pitches

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  An artificilal sound can be heard and the frequency of the sound is shown when you play these movie clips. A clip contains 10 sounds. Each sound is maintained an even frequency for 5 seconds, and the frequency increases by 1 Hz every 5 seconds.

  Comparing the pitch of musical instrument with the sound recorded in them, the frequency of a pitch can be determined. 

250-350Hz

250-260Hz  260-270Hz  270-280Hz  280-290Hz  290-300Hz

300-310Hz  310-320Hz  320-330Hz  330-340Hz  340-350Hz  

350-450Hz

350-360Hz  360-370Hz  370-380Hz  380-390Hz  390-400Hz

400-410Hz  410-420Hz  420-430Hz  430-440Hz  440-450Hz

450-550Hz

450-460Hz  460-470Hz  470-480Hz  480-490Hz  490-500Hz

500-510Hz  510-520Hz  520-530Hz  530-540Hz  540-550Hz