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Oscilloscope showing the waveform of a voice

Oscilloscope showing the waveform of a voice

T355/0180

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Credit

CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY

Caption

Oscilloscope. Oscilloscope showing the voiceprint of a woman speaking into a microphone (at lower left). The horizontal axis of the oscilloscope represents time whilst the vertical axis represents electrical amplitude. The oscilloscope is receiving electrical signals from the microphone. The microphone converts the pressure waves in sound into an electric current. The woman is tuning her voice, trying to produce a single note. This is producing a wave-like sinusoidal pattern on the oscilloscope screen.

Release details

Model release not available. Property release not required.

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