10 years, 1,800 survey sites: inside China’s hi-tech push to map linguistic diversity

Speak a few sentences of your hometown dialect into a microphone at a museum in central China, and a machine will pinpoint exactly where you are from. The interactive voice-recognition booth is among star attractions at a new language resources hall that opened on Monday at the Hunan Museum in Changsha. The hall showcases recordings and other language materials from Chinese dialects, minority lang