The devices have natural lifelike voices resulting from speech-unit technology. High speech accuracy is achieved through sophisticated natural language processing algorithms built into the Echo's text-to-speech engine.
Multi-Room Music
As with all Alexa devices, the functionality of Echo smart speakers periodically evolves as Amazon releases new software for it. Most new releases fix bugs in addition to including enhanced functionality. New releases are pushed to the devices on a gradual basis so it may take several days to a week or more for a particular device to be updated.
Getting Started is easy
Because much of Echo's intelligence lies in the cloud, significant functional enhancements can be made to Echo without updating the software version it is running. For example, in April 2015, the Echo added the ability to give live sports scores without updating the software version running on the device.
FreeTime on Alexa
The first-generation Amazon Echo consists of a 9.25 inch tall cylinder speaker with a seven-piece microphone array. The Echo hardware complement includes a Texas Instruments DM3725 ARM Cortex-A8 processor, 256MB of LPDDR1 RAM and 4GB of storage space. As of July 2017, the first-generation Echo maintained an 83% score on GearCaliber, a review aggregator.
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