| 摘要 |
A device which uses an input of speech and measures latency between stimu lus and response. The device generally includes an input transducer for conv erting a stimulus speech sound into an electrical signal and transmits the e lectrical signal to an electric circuit. In the preferred embodiment, the el ectric circuit includes a central processing unit which utilizes delay time counters to measure the length of time between signals. A second input trans ducer is used to convert a response speech sound into an electrical signal a nd transmits the electrical signal to the electric circuit. Each input trans ducer operates on a separate channel, so that the central processing unit ma y easily distinguish between stimulus sounds and response sounds.
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