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When these devices detect the wake word, they stream audio to the Cloud, including a fraction of a second of audio before the wake word.Ģ. How do Amazon Echo and Echo Dot recognize the wake word?Īmazon Echo and Echo Dot use on-device keyword spotting to detect the wake word. That should be your complaint, that these things cost more than 20 bucks when they are the definition of a dumb terminal.Īmazon Echo and Echo Dot are far-field Alexa-enabled devices.ġ. that's called an MP3 player and should be as cheap as one. All the Echo, Dot, Siri, Cortana really do is record, stream, and playback your data. stream voice to cloud, use eleventy-bajillion processors to do it all and the device is dumb and therefor cheap on the customer end. On your device, this would be painfully slow, since it does require an AI of its own. Processing voice isn't the problem, its the decision engine behind there that figures out what you wanted from the words input and then serves it up to you. Its supposedly not always streaming your voice to the cloud (since you'd wind up noticing that on your internet usage anyways). it does process locally for its activation word. It is always listening (if you do not turn the mic off), it does notify you when it accesses the cloud service and. Soon, you'll speak your wants into the air - anywhere - and a woman's warm voice with a mid-Atlantic accent will talk back to you, ready to fulfill your commands." After years of false starts, voice interface will finally creep into the mainstream as more people purchase voice-enabled speakers and other gadgets, and as the tech that powers voice starts to improve.ĭespite competition from Google Home, and a rumored "Home Hub" from Microsoft, Amazon "has a two-year jump on its competition, having first introduced the Echo speaker in November 2014," notes the article, adding that Amazon also "opened its platform early to third-party developers." (Alexa now has more than 5,000 "skills".) They argue that Amazon is already winning the war of the operating systems by familiarizing consumers with "a new computing interface - a voice devoid of a screen - that will eventually grow to be more ubiquitous and more useful than our smartphones. The Alexa-enabled Echo is a true unicorn, one of those rare products that arrives every few years and fundamentally changes the way we live.
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But Backchannel argues that Amazon is already dominating the race to become the operating system for future voice-activated devices, with Forrester tech analyst James McQuivey pointing out that "having microphones in your environment is a lot more convenient than pulling out your phone." Six million homes already have an Amazon device with it Alexa voice assistant - about 5% of all households.