Amazon Echo (shortened and referred to as Echo) is a brand of smart speakers developed by Amazon.com. The devices connect to the voice-controlled intelligent personal assistant service Alexa, which responds to the name “Alexa”. This “wake word” can be changed by the user to “Hello”, “Gm” or “Hi Alexa”.The device is capable of voice interaction, music playback, making to-do lists, setting alarms, streaming podcasts, playing audiobooks, and providing weather, traffic and other real-time information. It can also control several smart devices using itself as a home automation hub.
How it Works
In the default mode, the device continuously listens to all speech, monitoring for the wake word to be spoken, which is primarily set up as “Alexa” . Echo’s microphones can be manually disabled by pressing a mute button to turn off the audio processing circuit.
Echo devices require a wireless Internet connection in order to work. Echo’s voice recognition capability is based on Amazon Web Services and the voice platform Amazon
The smart speakers perform well with a ‘good’ (low-latency) Internet connection which minimizes processing time due to minimal communication round trips, streamable responses and geo-distributed service endpoints. While the application is free, an Amazon account is required, and setup is not possible without one.
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