When it comes to voice, one of the areas of frustration is that the speech recognition service doesn’t detect the end of speech quickly or detects it too quickly. The result is that the device appears to have a very high latency for interaction (which we they equate with lack of intelligence) or cuts us off mid-sentence (which we equate with rudeness).
Specifically, the end of speech detection above other endpoints is most frustrated (e.g. end of trigger detection or end of response) when things don’t work. When originally testing the Ubi, we had seen many different instances. Some of the main causes we found were:
Focusing on the weakest parts of the voice interaction chain can lead to big wins in happy users.
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