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The relatively small number of the auditory hair cells is surprising when compared to other sensory cells such as the rods and cones of the visual system. Thus the loss of a lower number (in the order of thousands) of auditory hair cells can be devastating while the loss of a larger number of retinal cells (in the order to hundreds of thousands ...
An AAC user indicates a series of numbers on an eye gaze communication board in order to convey a word. Augmentative and alternative communication (AAC) encompasses the communication methods used to supplement or replace speech or writing for those with impairments in the production or comprehension of spoken or written language.
Speech coding differs from other forms of audio coding in that speech is a simpler signal than other audio signals, and statistical information is available about the properties of speech. As a result, some auditory information that is relevant in general audio coding can be unnecessary in the speech coding context.
Code-excited linear prediction (CELP) is a linear predictive speech coding algorithm originally proposed by Manfred R. Schroeder and Bishnu S. Atal in 1985. At the time, it provided significantly better quality than existing low bit-rate algorithms, such as residual-excited linear prediction (RELP) and linear predictive coding (LPC) vocoders (e.g., FS-1015).
The system is successfully being used to provide communication access to individuals who are deaf or hard of hearing in many programs around the country. In addition to educational environments, C-Print also can be used in business and community settings, and with individuals with other disabilities, such as those with a visual impairment or a ...
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 ...
Cued speech is a hybrid, oral/manual system of communication used by some deaf or hard-of-hearing people. It is a technique that uses handshapes near the mouth ("cues") to represent phonemes that can be challenging for some deaf or hard-of-hearing people to distinguish from one another through speechreading ("lipreading") alone.
Although the envelope/fine-structure dichotomy has been debated and questions remain as to how temporal fine structure cues are actually encoded in the auditory system, these studies have led to a range of applications in various fields including speech and audio processing, clinical audiology and rehabilitation of sensorineural hearing loss ...