A Machine Learning Assessment System for Spoken English Based on Linear Predictive Coding

Table 1

Representative spoken pronunciation assessment systems.

System name	Research and development institutions
EduSpeak SDK7	Stanford research institute, USA
DISCO	Lanemegen University, The Netherlands
SCILL	University of Cambridge, UK, Massachusetts Institute of Technology, USA
TBALL	University of California, Los Angeles, USA
HUGO	Kyodo University, Japan
LISTEN	Carnegie Mellon University, USA
ISLE	University of Leeds, UK, University of Hamburg, Germany
EyeSpesk	EyeSpesk inc
Enunciate	The Chinese university of Hong Kong
PLASER	Hong Kong University of Science and Technology
National general language testing system	KDDI Corporation
Versant	Pearson Corporation