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Augmentative and alternative communication. 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 ...
Switch access scanning is an indirect selection technique (or access method), used with switch access by an assistive technology user, including those who use augmentative and alternative communication (AAC), to choose items from the selection set. [ 1][ 2] Unlike direct selection (e.g., typing on a keyboard, touching a screen), a scanner can ...
Advanced Audio Coding is designed to be the successor of the MPEG-1 Audio Layer 3, known as MP3 format, which was specified by ISO / IEC in 11172-3 ( MPEG-1 Audio) and 13818-3 ( MPEG-2 Audio). Blind tests in the late 1990s showed that AAC demonstrated greater sound quality and transparency than MP3 for files coded at the same bit rate.
Speech-generating devices ( SGDs ), also known as voice output communication aids, are electronic augmentative and alternative communication (AAC) systems used to supplement or replace speech or writing for individuals with severe speech impairments, enabling them to verbally communicate. [ 1] SGDs are important for people who have limited ...
Open access logo, originally designed by Public Library of Science A PhD Comics introduction to open access. Open access (OA) is a set of principles and a range of practices through which nominally copyrightable publications are delivered to readers free of access charges or other barriers. [1]
Fraunhofer FDK AAC is an open-source [5] library for encoding and decoding digital audio in the Advanced Audio Coding (AAC) format. Fraunhofer IIS , developed this library for Android 4.1 . [ 6 ] [ 7 ] It supports several Audio Object Types including MPEG-2 and MPEG-4 AAC LC, HE-AAC (AAC LC + SBR ), HE-AACv2 (LC + SBR + PS ) as well AAC-LD (low ...
The International Society for Augmentative and Alternative Communication (ISAAC) was founded in May 1983 in East Lansing, Michigan, United States. Its stated purpose is to improve the communication abilities and quality of life of individuals with complex communication needs who use augmentative and alternative communication (AAC).
For example, MP3 and AAC dominate the personal audio market in terms of market share, though many other formats are comparably well suited to fill this role from a purely technical standpoint. First public release date is first of either specification publishing or source releasing, or in the case of closed-specification, closed-source codecs ...