Extracting Audio From Visual Information

rtoz writes Researchers at MIT, Microsoft, and Adobe have developed an algorithm that can reconstruct an audio signal by analyzing minute vibrations of objects depicted in video. In one set of experiments, they were able to recover intelligible speech from the vibrations of a potato-chip bag (video) photographed from 15 feet away through soundproof glass.

Comments

Re:Not surprising

[Hamsterdan]

The countermeasure for laser listening was to install the windows inside a pipe *frame* and play music in the pipes. Using an object inside the building to extract audio defeats that countermeasure. This is 2014, do not expect any privacy, especially from government agencies...