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Amazon Polly is a cloud service by Amazon Web Services, a subsidiary of Amazon.com, that converts text into spoken audio. [1] [2] [3] It allows developers to create speech-enabled applications and products. [4]
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.
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 .
The Amazon Echo, an example of a voice computer. Voice computing is the discipline that develops hardware or software to process voice inputs. [1]It spans many other fields including human-computer interaction, conversational computing, linguistics, natural language processing, automatic speech recognition, speech synthesis, audio engineering, digital signal processing, cloud computing, data ...
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" (derived from Alexa Internet, the Amazon-owned Internet indexing company). Echo's microphones can be manually disabled by pressing a mute button to turn off the audio processing circuit.
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The interaction may be via text, graphical interface, or voice - as some virtual assistants are able to interpret human speech and respond via synthesized voices. In many cases, users can ask their virtual assistants questions, control home automation devices and media playback, and manage other basic tasks such as email, to-do lists, and ...
The last stage, the voice-over, is implemented using Text-to-speech technology. The basis is 260 thousand words and phrases recorded in the studio, which were then "cut up" into phonemes . From this audio database , the neural network collects the answer, and then the intonation gradients in the finished phrase are smoothed by the neural ...