Smart speakers have proliferated since their initial launch earlier this decade. The devices combine voice recognition and assistant functionality with a foreboding sense that paying corporations for the privilege of having your conversations eavesdropped upon could come back to bite one day. For this reason, [Yihui] is attempting to build an open-source smart speaker from scratch.
The initial prototype uses a Raspberry Pi 3B and a ReSpeaker microphone array. In order to try and bring costs down, development plans include replacing these components with a custom microphone array PCB and a NanoPi board, then implementing basic touch controls to help interface with the device.
There’s already been great progress, with the build showing off some nifty features. Particularly impressive is the ability to send WiFi settings to the device using sound, along with the implementation of both online and offline speech recognition capabilities. This is useful if your internet goes down but you still want your digital pal to turn out the lights at bed time.
It’s not the first time we’ve seen a privacy-focused virtual assistant, and we hope it’s not the last. Video after the break.
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Source:: Hackaday