Traditional typing on a physical keyboard generates speech directly from typed text
May suit patients and persons who desire the ability to create full phrases on demand, and who , with the correct keyboard choice, can comfortably type. May suit moderate stroke, Laryngectomy, tracheotomy, early ALS, throat cancer, Apraxia and aphasia. Large key keyboards suit patients with moderate mobility.
Pointing to a graphic on a tablet or screen generates speech associated with an image
May offer a solution for children with autism or who cannot spell. Picture based systems are also well suited for patients with speech limitation associated with severe brain trauma, or injury that results in limited cognitive and/or severe restrictions that restrict typing due to limited motor/mobility movement.
Typing offers unlimited free text speech creation. Conversations can be fluid.
Keyboards can be varied in width, weight and key size to accommodate the typing needs of users. This flexibility offers comfort to enter text.
New “system on a chip” technology support prices of Text to Speech keyboard systems (wireless & corded) approaching $500
Keyboards require mobility and cognitive skills to type with ease.
Many devices include integrated keyboard with keyguards Some that may not suit the needs of all users. Power-on time varies with some devices.
Until recently, computer, laptop and color screen based products with integrated keyboards have pricing ranging $3000-$6000.
Does not require spelling. Good for severe mobility impairments
Low cost picture based systems may be lightweight, durable. Many offer Instant-on features and operate on long life batteries
Systems with useful and interchangeable printed image surfaces (templates) are available at under $1000
Speech is fixed to exact phrases limited to a single, specific icon or image
Some Windows PC based systems may a “boot” period of several minutes before use. Weight can increase with these systems.
Versions with LCD computer ‘touch screens ‘ can instantly change ‘templates’. Costs range from to $3000-$7000