Alexa voice coming to light switches through AWS cloud

Alexa Voice Service integrates with AWS IoT Core now, which means developers can save on memory and processing because they are offloaded to the cloud. (AWS)

Alexa Voice Service (AVS) can now be produced on any connected device, AWS announced recently.

That’s because of a new AVS Integration feature in the AWS IoT Core. Using it will reduce the cost of producing an Alexa Built-in device by up to 50%, the company claimed.

The savings results from offloading compute and memory audio workloads to the cloud. AWS said the result should enable new categories of voice-ready products, including light switches, thermostats and small appliances to allow for a “truly ambient experience.”

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Media retrieval, audio decoding, audio mixing and state management can be shifted from a physical device to a virtual Alexa Built-in device in the cloud. Designers can lower hardware requirements from 50 MB of RAM to 1 MB of RAM running on Linux or Android. Arm Cortex A class microprocessors can be switched out with less expensive Cortex M microcontrollers.

In a customer win, AVS Integration for AWS IoT Core is being used by iDevices with its Instinct smart light switch with Alexa Built-in. Home users can save on counter space and, iDevices sped up time-to-market at lower cost.

AWS partners have launched two development kits, including two that are available from NXP and Qualcomm. Qualcomm has a mesh networking kit for $1,395 with four microphones, while NXP’s kit is $149 with three mics. 

RELATED: Smart home market to grow 5x by 2024 to $192B

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