摘要
線上KTV系統相較於傳統KTV具有便利性、花費低等優點，已成為許多人的休閒娛樂方式之ㄧ。目前的網路KTV系統已發展出各式各樣多元化的功能，其中包括了每月新歌資料庫更新、強化歌唱工具或將其與社群網站結合等應用。不過，在歌曲對唱部分，尚未提供即時對唱服務實為線上KTV系統的一大缺憾。本論文實現了一網路互動式KTV娛樂平台，具有讓身處於不同兩地的使用者能透過網路進行如臨現場般的即時對唱功能。實驗結果證明，本系統經由NTP伺服器對時後，使用者間的伴唱KTV播放的同步時間誤差可控制在60ms以內，已符合哈斯效應研究成果中，人類可忍受之即時互動延遲時間差為100ms內之需求。即時對唱功能相較於非即時對唱或其他相關應用為使用者提供了更高的互動性與娛樂性，配合線上包廂的設計，使用者可在此進行即時視訊聊天或尋找歌友等功能，使系統功能更加完善。同時透過網頁方式的呈現，利於使用者只要具有網頁瀏覽器，即可登入並使用本系統。
並列摘要
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.