| Summary: | 碩士 === 國立中正大學 === 電機工程研究所 === 100 === As compared to traditional KTV systems, an online KTV system has many advantages, such as convenience, low expense, high safety and so on. The online KTV system has become one of leisure entertainments for many people. The currently-available network KTV system has developed a wide range of diversified features, including monthly database updating, singing tool enhancement, social network integration, etc. However, the commercial online KTV systems still do not provide real-time duet. This missing function is a great shortcoming of services for online KTV. Therefore, this work has successfully developed an interactive network KTV system via which users located at different places can sing a song together. Experimental results demonstrate that our system via the NTP server synchronization yields a time error between the users playing karaoke KTV less than 60ms, which meet the Haas effect of that humans can tolerate delay time difference smaller than 100ms. Real-time duet function and the other corresponding applications provide users with high levels of interactivity and entertainment. With the proposed online box, users can conduct real-time video chats or to find duet partners, which makes the system easily engaged and used. In addition, the proposed system established through the website allows that users straightforwardly adopt web browsers to enjoy online KTV services.
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