Back to today’s briefing

Story perspectives

MIT's AlterEgo: Silent Communication Device Revolutionizes Speech

9/10/2025

40 9

Summary

Story summary

MIT researchers created AlterEgo, a device for silent communication using bone conduction technology.
It interprets unspoken words by detecting mouth and vocal cord movements.
AlterEgo aims to help individuals with speech disorders and enable wordless communication.
The device achieves 90% accuracy in silent speech detection but requires user-specific adjustments.
In 2025, AlterEgo evolved from a research project to a for-profit startup.

1 of 1

Story summary

MIT researchers created AlterEgo, a device for silent communication using bone conduction technology.
It interprets unspoken words by detecting mouth and vocal cord movements.
AlterEgo aims to help individuals with speech disorders and enable wordless communication.
The device achieves 90% accuracy in silent speech detection but requires user-specific adjustments.
In 2025, AlterEgo evolved from a research project to a for-profit startup.