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The world’s largest police network is evaluating software that would match samples of speech taken from phone calls or social media posts to voice recordings of criminals stored within a massive database shared by law enforcement agencies.
While the system can process any “lawfully intercepted” sound, including ambient conversation, its expected use would be to match voices gleaned from telephone and social media against a “blacklist” database. The samples could come from mobile, landline, or voice-over-Internet-protocol recordings, or from snatches of audio captured from recruitment or propaganda videos posted to social media.
The platform can also match voice samples taken from social media platforms including Twitter, Google+, LinkedIn, YouTube, and Facebook. By combing through multimedia content based on search criteria such as language relevance and geolocation, the system will tag and process this material, and find similar clips in the database. The software’s video processing engine can extract the audio from an online video, split it into mono, and format it into uncompressed 16 kilohertz WAV files. Audio-only content can also be searched and tagged in this way.
This analysis could also be considered a warning, given recent concerns about companies hoovering data from social media platforms like Facebook. As the activist Monroy points out, the general public is only recently aware of the huge extent to which their written communication can be monitored and filtered for keywords. “They should know that this works with speech as well,” he says.
originally posted by: Jefferton
Don't be a criminal, nothing to worry about.
I have to always wonder about the thread makers worrying about this kind of thing.