0:09
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Mid-range frequency from an old newsreel.
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0:11
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Steady crackling from an old newsreel.
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0:19
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Blowing and rumbling noise from an old newsreel.
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0:13
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Dark, crackling tone from an old newsreel.
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0:23
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Pulsating noise with some audible voice from an old newsreel.
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0:04
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Abrasive switch followed by humming, from an old newsreel.
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0:05
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Tonal sound from an old newsreel, with a ringing alarm bell in the background.
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0:08
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Blowing and ringing noise from an old newsreel.
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0:02
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Humming and crackling from an old newsreel.
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0:06
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Electromagnetic humming/buzzing.
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0:06
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Strong crackling with modulation from an old newsreel.
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0:13
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Filtered crackling noise from an old newsreel.
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0:25
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Long crackling loop, with a high tone.
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0:18
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Tonal humming and stuttering from an old newsreel.
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0:18
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Electromagnetic modulation.
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0:09
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Electromagnetic humming with a rustling.
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0:04
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Fizzling crackling from an old newsreel.
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0:07
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Pitched up buzzing noise from an old newsreel.
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0:01
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Rhythmic cracking from an old newsreel.
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0:05
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Clattering rattle with a smooth fuzz sequence from an old newsreel.
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