Alexa is Amazon’s all-knowing, interactive voice assistant. Available on Amazon’s lineup of Echo speakers, smart thermostats, soundbars, lamps and lights, and right on your phone through the Alexa app, Alexa can do quick math for you, launch your favorite playlists, check news and weather, and control many of your home’s smart products.
Who/what is Alexa?
For most people, all you really have to know about Alexa is that it’s the name of the voice that comes out of Alexa-enabled speakers. Basically, Alexa is to Amazon what Siri is to Apple. Alexa is a voice that you can ask questions to and get answers, such as “What is the weather today in Chicago?” Alexa has been integrated into many of Amazon’s services and can be used with products such as the original Amazon Echo, Echo Dot, Echo Spot, Echo Show, or Amazon Fire TV.
But really, what exactly is Alexa? When you ask Alexa a question, what you’re doing is communicating with a cloud-based service. Amazon has designed the Alexa Voice Service (AVS) to mimic real conversations, but you’re actually using intuitive voice commands to get this service to perform specific tasks. “Alexa” is simply the “wake word” that alerts the service to start listening to your voice. For most devices, you just have to say the wake word to get a response.
According to Amazon’s Developer site, the Alexa Voice Service (AVS) lives in the cloud. Amazon’s AVS is an intelligent voice recognition and natural language understanding service. The service can be used to voice-enable any connected device that has a microphone and speaker. That’s why you’re starting to see Alexa in headphones and other devices. “Alexa is always getting smarter with new capabilities through machine learning,” Amazon’s Developer site reads.
While Alexa is the official name for Amazon’s voice assistant, you can change this wake word to “Amazon,” “Computer,” or “Echo.” That’s a useful feature, especially if your name or your partner’s or roommate’s name happens to be Alexa or something that sounds similar.
Apple has Siri. Google Home has the Google Assistant, which comes alive when you say “OK, Google.” Amazon has Alexa. But why? According to David Limp, the Amazon executive who oversaw the development of the service, the name “Alexa” was chosen for a few reasons. First, the name “Alexa” harks back to the Library of Alexandria, which attempted to collect all of the world’s knowledge. Amazon is attempting to do the same thing. Alexa is always learning but, in theory, it should be a seamless source of information.
More practically, the service was named Alexa because it contains the uncommon “X” sound. Since this service is voice-activated, Amazon wanted to choose a name that wouldn’t get confused with other words that could accidentally awaken the device:
“We did go through a number of names and the name is important as much for the personality that it creates around the persona than is this computer-based voice computer in the cloud. But there’s computer science behind it, too,” Limp said. “If any of you have Echoes, you know that it only wakes up when it hears the word “Alexa,” and the phonics of that word and how that word is parsed and the fact that it has a hard consonant with the ‘X’ in it, is important in making sure that it wakes up only when it’s asked for. And so, a combination of those two things allowed us to kind of narrow in on Alexa.”
Alexa has also become the center of many smart-home systems, including Wink, SmartThings, and the Logitech Harmony. You can also use the voice-assistant to build your smart home piecemeal, as Alexa can pair with hub-less devices such as WeMo switches and Nest thermostats.
Here is a list of some of the best smart-home devices that are compatible with Alexa.
What can Alexa do?
The list of commands Alexa can understand seems to grow on a daily basis. Amazon calls these “skills,” and you can even create your own skills through Amazon Blueprints. Upon review from Amazon, you can even publish your own skills in the Amazon Skills Store for other people to use on their Alexa devices. The number of tasks that Alexa can accomplish is clearly more than we can list in this article, but here are some of our favorites:
In addition, Alexa is also useful in helping people establish bedtime and morning routines. You only need to assign a command, and that specific command can trigger a series of events. For instance, if you were to say, “Alexa, goodnight,” it could trigger the machine to turn all house lights off, arm the security system, and turn on an ambient noise machine simultaneously. You can make your routine pretty specific, too; If you’d like, you could program Alexa to turn on your preferred lights, wait 10 minutes, and then turn on the coffee pot. If you get up earlier than your partner does, you can use Alexa’s whisper mode, so she communicates back in a whisper and listens explicitly for your whispers. You can learn how to set up routines in our how-to post.
Alexa Guard is a helpful security feature that carefully monitors the perimeter of your house and the activity inside your home when you’re not there. If your Echo speaker picks up on unusual sounds, like breaking glass or another mysterious noise, Alexa will quickly alert you with a notification to check things out. With Alexa Guard Plus (a paid version of the same feature), you’ll have the same home-monitoring feature, access to Amazon’s emergency hotline, and several other security tools too.
Amazon is constantly working to improve and expand on Alexa’s functions and capabilities by creating valuable and intuitive technology. For example, the company is currently working to roll out frustration-detection features, so Alexa will be able to understand your tone and figure out if you’re getting frustrated with her. If you want to learn about some more of these new Alexa features, simply ask, “Alexa, what’s new with you?” and she’s happy to share.
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