A speaker comprising tiny robots can deploy multiple microphones to create speech zones that allow it to separate and mute conversations.
"You can have four people having two conversations and isolate any of the four voices.""You can have four people having two conversations and isolate any of the four voices."A new speaker can rearrange its seven "self-deploying" microphones to partition a room into so-called "speech zones," allowing it to track and identify different voices, even as they move.
"For the first time, using what we're calling a robotic 'acoustic swarm,' we're able to track the positions of multiple people talking in a room and separate their speech," said co-lead author of the study Malek Itani at the Paul G. Allen School of Computer Science & Engineering, in aTo navigate their environment, the prototype bots use a technique akin to high-frequency echolocation, the researchers say.
"We developed neural networks that use these time-delayed signals to separate what each person is saying and track their positions in a space," explained co-lead author Tuochao Chen at the Allen School, in the statement. "So you can have four people having two conversations and isolate any of the four voices and locate each of the voices in a room.
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