Factors to Consider for Speech Recognition as assistive technology

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Factors to Consider for Speech Recognition

by Dan Gilman, ATP.      December 22, 2001




Speech recognition is one of the more desired assistive technology systems. People believe if someone can speak, than speech recognition is a logical and easy method of accessing the computer.

People with a physical disability want to use speech recognition for:
  • Dictation. Translation of the spoken word into written text.
  • Computer Control. Operation of the computer, and other software applications simply by speaking commands.
People with a learning disability want to use speech recognition for written language expression.

Please consider the following so as to prevent frustration and assistive technology abandonment.

Training. The user must expect to invest several hours so the program will recognize their speech accurately and any unique vocabulary words he might use.

Headset and Microphone. For optimal performance the user must wear a headset that has a microphone boom. Can the user place the headset on his head and position the microphone properly? Can the user remove the headset?

Consistent Speech. Speech patterns cannot go beyond the limits of the speech engine model, otherwise words will be interpreted incorrectly. Does the user slur words when speaking?

Cognitive Abilities. Does the user have the capacity or ability for multi-tasking? Does he understand the fundamentals of operating a computer, using a word processor, dictating text, and using commands necessary for speech recognition?

Environmental Area. Does the user expect to use speech recognition in a noisy area? Is speech recognition practical for a receptionist who is; receiving people, answering the telephone, and simultaneously dictating information using speech recognition?

Recommended Books:


Copyright © 2001 Dan J. Gilman.

Dan Gilman is an an Assistive Technology Practitioner and webmaster of www.AbilityHub.com. He has lived with a disability since 1972 when he fractured his neck in a swimming accident, resulting in paralysis from a C4-5 spinal cord injury. Dan has been in the Assistive Technology field since 1992 and has dedicated his efforts to assist those disabled individuals who require Assistive Technology to access the computer. He may be contacted by email at webmaster@abilityhub.com .

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