In brief: Nirva announced a $25 million funding round, bringing its total to $33 million. It is preparing a microphone-equipped pendant that passively listens for its owner's speech and turns it into reminders and observations. The company says setup includes samples of the owner's voice, that other speakers are filtered out and that audio and transcripts are deleted by default after processing. Orders are planned for November, with early deliveries targeted by year-end.
The phrase 'only listens to you' sounds like a proven privacy guarantee. At present it is a description of the design supplied by the vendor. A microphone physically receives surrounding sound before software decides which speaker to keep. The article offers no independent error-rate measurements for noisy rooms, similar voices or overlapping conversations. It also leaves questions about where processing happens, what remains in application logs and how deletion can be checked. Those details matter to the wearer and to nearby people who did not consent to the device. Funding does not establish that filtering is reliable. Until independent tests and real user experience are available, the careful wording is that Nirva claims to select the owner's voice, not that other voices can never enter its system.