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Amazon's Alexa recently arrived on headphones and even toilets, but it's about to become much more ubiquitous by hitting Windows 10 PCs later this year. HP, ASUS and Acer have revealed that the ...
A microphone’s sensitivity varies with frequency (as well as with other factors such as environmental conditions) and is therefore normally recorded as several sensitivity values, each for a specific frequency band (see frequency spectrum). A microphone’s sensitivity can also depend on the nature of the sound field it is exposed to.
In June 2018 the Amazon Echo Show was released to the public as a device with a 7-inch screen used for streaming media, making video calls and the use of Alexa. The second generation of the device was made available in November 2018 and features a 10-inch screen with improved speakers.
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 has released its Alexa app for Windows 10, which is now available from the Microsoft Store. Alexa was already on some Windows 10 machines, but now all users in the US, UK and Germany can ...
The most common unidirectional microphone is a cardioid microphone, so named because the sensitivity pattern is "heart-shaped" (i.e. a cardioid). The cardioid family of microphones are commonly used as vocal or speech microphones since they are good at rejecting sounds from other directions.
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.
The sensitivity of a microphone is usually expressed as the sound field strength in decibels (dB) relative to 1 V/Pa (Pa = N/m 2) or as the transfer factor in millivolts per pascal (mV/Pa) into an open circuit or into a 1 kiloohm load. [citation needed] The sensitivity of a loudspeaker is usually expressed as dB / 2.83 V RMS at 1 metre.