Demonstration Sounds for Analysis

Water knife Noise

Broadband hiss at high frequencies from spray and impact of water. Tones at low frequencies from high pressure pump.

1/3 Octave Band Analysis

FFT Analysis

Octave Band Filtering

Water knife filtered into octave bands

63 Hz

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

8000 Hz

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