0:01
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Smooth digital tone ascending in pitch
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0:23
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Pedestrian crossing alert for sight impaired - ascending bleep & fast, repetitive staccato beeps. B ...
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0:12
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Dial tone, numbers keyed, ring tone heard, hook flash button pressed. Heard through earpiece.
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0:13
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high pitch squeaky and scraping electronic space morse code signal, ascending intensity
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1:09
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Switches being pressed and the ticking of indicators from a bus, birds in the background
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0:19
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Course high pitch noise repeating rhythmically
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0:01
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Digital tape answering machine clunk & beep at end of tape.
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