Speechless - Analyzing the Threat to Speech Privacy from Smartphone Motion Sensors

Explore a critical analysis of the potential threat to speech privacy posed by smartphone motion sensors in this IEEE conference talk. Delve into research examining whether gyroscopes and accelerometers in smartphones can be sensitive to speech signals, potentially allowing for speech reconstruction or speaker identification without microphone access. Investigate scenarios involving shared surfaces with loudspeakers, less powerful speakers, and live human speech to understand the extent of this security concern. Learn about the implications for human-rendered speech, machine-rendered speech, and the limitations of smartphone motion sensors in capturing speech-related vibrations. Gain insights into the specific conditions under which smartphone motion sensors may pose a threat to speech privacy and the overall scope of this security issue.