ADVERTISEMENT

Solving the Cocktail Party Problem

Computers have great trouble deciphering voices that are speaking simultaneously. That may soon change
THIS IS A PREVIEW.
or subscribe to access the full article.



Illustration by Bryan Christie

You are at a party, and Alex is telling a boring story. You are much more interested in the gossip that Sam is recounting to Pat, so you tune out Alex and focus on Sam’s words. Congratulations: you have just demonstrated the human ability to solve the “cocktail party problem”—to pick out one thread of speech from the babble of two or more people. Computers so far lack that power.

Although automated speech recognition is increasingly routine, it fails when faced with two people talking at once. Computerized speech separation would not only improve speech-recognition systems, it could also advance many other endeavors that require the separating of signals, such as making sense of brain-scan images.

THIS IS A PREVIEW.
or subscribe to access the full article.
Buy Digital Issue $7.99
Print + Digital
All Access
$99.99 Subscribe
Rights & Permissions
Share this Article:

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.

EVERY ISSUE
EVERY YEAR
1845-PRESENT

Get All-Access Digital + Print >

X

Email this Article

X