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4000 Hz Sound Audio Test Tone | 4000 Hertz Sine Signal | 4 kHz
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This is a 4000 Hz sound for audio tests. The sine wave's frequency is 4000 Hertz with an amplitude of -3 dB. The 4 kHz signal was digitally created.
#4000Hz #4000Hertz #4kHz
#4000Hz #4000Hertz #4kHz
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