How hard would non-native English speaker interact with English based speech interface

What is it about?

Not all languages can be supported in the speech interfaces, which means a group of non-native speakers cannot use their native languages to interact with speech interfaces. Our team design an experiment. we found that when interacting with IPAs, L2 speakers’ cognitive workload was higher than L1 speakers. However, the number of commands, the ability of adapting specific vocabulary, the language complexity, and vocabulary diversity did not vary across speaker groups

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Why is it important?

When designing speech interfaces, researchers are more focusing on native English speakers. Not all languages can be supported in the speech interfaces, which means a group of non-native speakers cannot use their native languages to interact with speech interfaces. Also, because of the language limitation, L2 speakers face more challenges when they use this technology.

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