20 - 20,000 Hz Audio Sweep | Range of Human Hearing Sonic Electronix 0:36 8 years ago 5 004 405 Скачать Далее
20Hz to 20kHz Frequency Sweep (Logarithmic) 1080p HD Aaron Shannon 0:41 9 years ago 267 944 Скачать Далее
20kHz to 20Hz Frequency Sweep - Audio Signal Test - Human Audible Spectra GMODISM 2:56 4 years ago 85 495 Скачать Далее
Frequency Sweep Audio Test (Human Hearing Range 20Hz - 20kHz) World of TecKe 1:08 1 year ago 336 Скачать Далее
20Hz to 20kHz Sine Wave Linear Frequency Sweep - 30 seconds Testing Tools 0:31 6 years ago 895 Скачать Далее
1-100 Hz. Frequency Sweep. Human Audio Spectrum. Hearing test. Bass test. Pure tone All Movie Tube 0:52 5 years ago 115 366 Скачать Далее