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The Echo Connect is a small adapter that plugs into any Echo and a home phone line, allowing the Echo to make voice calls through a home phone number. [ 96 ] In September 2018, Amazon announced the Echo Sub , a subwoofer that connects to other Echo speakers, and the Echo Wall Clock , which can display how much time is remaining on timers set ...
Amazon Alexa, or, Alexa, [2] is a virtual assistant technology largely based on a Polish speech synthesizer named Ivona, bought by Amazon in 2013. [3] [4] It was first used in the Amazon Echo smart speaker and the Amazon Echo Dot, Echo Studio and Amazon Tap speakers developed by Amazon Lab126.
Amazon Echo Show is a smart speaker that is part of the Amazon Echo line of products. Similarly to other devices in the family, it is designed around Amazon's virtual assistant Alexa, but additionally features a touchscreen display that can be used to display visual information to accompany its responses, as well as play video and conduct video calls with other Echo Show users.
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This method improves the space-time resolution by a factor of 5 (typical). Commercially, this method was protected by US patent [2] 5615173 until 2011. The pulse-to-pulse coherent method [3] relies on a sequence of transmit pulses where the echo from subsequent pulses are assumed not to interfere with each other. This method is only applicable ...
Echo suppression and echo cancellation are methods used in telephony to improve voice quality by preventing echo from being created or removing it after it is already present. In addition to improving subjective audio quality, echo suppression increases the capacity achieved through silence suppression by preventing echo from traveling across a ...
Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water . It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; the resulting time of flight , along with knowledge of the speed of sound in water, allows determining the distance ...