JunHwi Moon, OkJoo Choi, Sarah Choi, Keon Chul Park, JeongRok Lee, Wonsun Shin, Vol. 19, No. 11, November 30, 2025
10.3837/tiis.2025.11.019

• adult speech data modulation
• ASR
• automatic speech recognition
• child speech recognition
• voice data augmentation

Keon Chul Park, Sangmin Lee, Vol. 16, No. 6, June 30, 2022
10.3837/tiis.2022.06.009

• Consumer Innovativeness
• Digital Literacy
• New Media Infusion
• OTT
• Mediating Effect

Keon Chul Park, Jae Woo Shin, Bong Gyou Lee, Vol. 8, No. 6, June 26, 2014
10.3837/tiis.2014.06.016

• Authentication Method
• Smartphone banking service
• Analytic Network Process
• ActiveX
• Public Key certificate

Bong Gyou Lee, Seong Jin Kim, Keon Chul Park, Su Jin Kim, Eui Suk Jeong, Vol. 6, No. 3, March 22, 2012
10.3837/tiis.2012.03.006

• Digital textbook
• learning effectiveness
• public education
• technology enhanced Learning
• u-Learning Environment