Prisoners’ code word caught by software that eavesdrops on calls

All on record Joshua Lott / Reuters By Hal Hodson SAY it out loud and the machines will know. Search engines are moving beyond the web and into the messy real world. And they’re finding some odd things. Every call into or out of US prisons is recorded. It can be important to know what’s being said, because some inmates use phones to conduct illegal business on the outside. But the recordings generate huge quantities of audio that are prohibitively expensive to monitor with human ears. To help, one jail in the Midwest recently used a machine-learning system developed by London firm Intelligent Voice to listen in on the thousands of hours of recordings generated every month. “No one at the prison spotted the code word until software started churning…


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