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A position sensitive device and/or position sensitive detector (PSD) is an optical position sensor (OPS) that can measure a position of a light spot in one or two-dimensions on a sensor surface. Principles
However, in the 1990s, research and commercial multi-tone devices began to be developed, including discrete-tone devices using multiple-position switches [7] or multiple buttons; [8] [9] as well as variable-tone devices controlled by single pressure-sensitive buttons, [10] trackballs, [11] gyroscopes, [12] touchpad-like input devices, [13] or ...
The use of synthesized speech has increased due to the creation of software that takes advantage of the user's existing computers and smartphones. AAC apps like Spoken or Avaz are available on Android and iOS, providing a way to use a speech-generating device without having to visit a doctor's office or learn to use specialized machinery. In ...
A silent speech interface is a device that allows speech communication without using the sound made when people vocalize their speech sounds. It works by the computer identifying the phonemes that an individual pronounces from nonauditory sources of information about their speech movements .
Voice activity detection (VAD), also known as speech activity detection or speech detection, is the detection of the presence or absence of human speech, used in speech processing. [1] The main uses of VAD are in speaker diarization , speech coding and speech recognition . [ 2 ]
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The original Speak & Spell was the first of a three-part talking educational toy series that also included Speak & Read and Speak & Math.This series was a subset of TI's Learning Center product group and the Speak & Spell was released simultaneously with the Spelling B (a non-speech product designed to help children learn to spell), and the First Watch (designed to teach children to read ...