Finding Authentic Video Pronunciations...
Scanning thousands of native English clips with synchronized subtitles and exact timestamps.
There's some nice work that has been done using computer graphics to randomly display an avatar's face and randomly move its facial muscles,
and so participants from China saw a movement of an eyebrow or a wrinkling of the lip that Western perceivers did not see.
In the U.K., there were facial muscle movements associated with an emotion like anger that were not perceived to be associated with that emotion category in China.
Listen to native speakers pronounce “wrinkling” as a noun in real conversational contexts with synchronized timestamps and subtitles.