Laser Meager Listener: A Scientific Exploration of Laser-based Speech Eavesdropping in Commercial User Space
Time Domain Graphs of Vibration Data
* When the induced vibrations from the external audio are strong, we see 10 distinct peaks in the time domain graphs of the collected data.
Direct-Contact Scenario:
Paper Cup:
Loudspeaker-Aerial (Normal SPL)
Loudspeaker-Aerial (Loud SPL)
Loudspeaker-Same Surface (Normal SPL)
Loudspeaker-Same Surface (Loud SPL)
Plastic Cup:
Loudspeaker-Aerial (Normal SPL)
Loudspeaker-Aerial (Loud SPL)
Loudspeaker-Same Surface (Normal SPL)
Loudspeaker-Same Surface (Loud SPL)
Styrofoam Cup:
Loudspeaker-Aerial (Normal SPL)
Loudspeaker-Aerial (Loud SPL)
Loudspeaker-Same Surface (Normal SPL)
Loudspeaker-Same Surface (Loud SPL)
Glass-Barrier Scenario:
Paper Cup:
Loudspeaker-Aerial (Normal SPL)
Loudspeaker-Aerial (Loud SPL)
Loudspeaker-Same Surface (Normal SPL)
Loudspeaker-Same Surface (Loud SPL)
Plastic Cup:
Loudspeaker-Aerial (Normal SPL)
Loudspeaker-Aerial (Loud SPL)
Loudspeaker-Same Surface (Normal SPL)
Loudspeaker-Same Surface (Loud SPL)
Styrofoam Cup:
Loudspeaker-Aerial (Normal SPL)
Loudspeaker-Aerial (Loud SPL)
Loudspeaker-Same Surface (Normal SPL)
Loudspeaker-Same Surface (Loud SPL)
Glass-Surface Scenario:
Control (No Speech)
Loudspeaker-Aerial (Normal SPL)
Loudspeaker-Aerial (Loud SPL)
