"The DSA device has really opened up a new world for me. It has provided me with a new sense of freedom now, by allowing me to speak without fear, of so many things. The most significant revelation is being able to use the telephone and call people and places I haven't been able to.... The DSA has given me so much comfort in my speech and day to day life by gently allowing me to speak and say words that I have avoided for many, many years. It is truly a great invention and a miracle for someone like myself who felt I would spent the rest of my life hiding from many situations." Lori Paruch, Halifax, Nova Scotia, Canada. MORE

DSA picks up the stutterer's voice via the microphone, processes it digitally in real-time, and puts out the processed sound into the stutterer's ears via the earphones. The output of the device is protected from overload, making DSA safer than personal stereos and Walkmans. Unlike other speech aids this device does not slow down speech. With DSA one can speak in any fashion and at any rate.

How is DSA used?

DSA does not have to be worn all the time. It can be used as a backup in situations that require "extra help". Those depend on the person and may include conversations on the phone or public speaking. DSA can also be used as a training device. In this mode, a person just needs to speek using DSA. No other extra effort is required. As a training device, DSA can be used for several hours a day for instance when speaking to family members or during text reading.

What are the DSA test results?

DSA test results show an immediate improvement in speech fluency with a gradual increase in the effectiveness of the device during the first 2 to 6 weeks of use. After this time the level of fluency seems to level off. The results show no decrease in the fluency level over time. Furthermore, the results show carry-over effect as the person remains fluent or more fluent anywhere from 2 hours to 2 weeks (depending on the person) after using the device. Overall, a significant improvement in self-esteem and confidence has been observed. People like DSA and say that it is relaxing. Click here to read DSA users' testimonials.

Who benefits the most from using DSA?

DSA is most effective in the case of "Classical Stutterers" who are characterized by the usual patterns of stuttering, have no problem with speech synthesis and do not stutter during whisperring. "Classical Stutterers" make up about 80% to 90% of the stuttering population.

Significant improvement or total fluency has been observed in 40% to 60% of "Classical Stutterers", particularily in text reading. The rest have shown some degree of improvement. Those outside of the group of "Classical Stutterers" can also benefit in some cases, but results are less predictable.

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