{"title":"讲台二:多媒体课件采集与编辑系统","authors":"N. Joukov, T. Chiueh","doi":"10.1109/ICME.2003.1221708","DOIUrl":null,"url":null,"abstract":"Deployment of asynchronous learning systems is still very limited mainly because of the use of expensive video to record and play back classroom lectures. The key advantage of the Lectern II approach is that all important lecture components can be effectively captured without video. Lectern II employs the touch-sensitive screen technology to build a \"digital desk,\" which is shown to be able to effectively support and transparently capture the standard classroom lecturing activity. Recorded lectures can be edited and automatically uploaded to a Web server, and than viewed by students via a standard streaming player. As the total cost of a complete Lectern II system is under $4,000, Lectern II represents the first course lecture recording system that has the potential to be widely deployed in the classrooms of universities and K-12 schools.","PeriodicalId":118560,"journal":{"name":"2003 International Conference on Multimedia and Expo. ICME '03. Proceedings (Cat. No.03TH8698)","volume":"25 2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"23","resultStr":"{\"title\":\"Lectern II: a multimedia lecture capturing and editing system\",\"authors\":\"N. Joukov, T. Chiueh\",\"doi\":\"10.1109/ICME.2003.1221708\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Deployment of asynchronous learning systems is still very limited mainly because of the use of expensive video to record and play back classroom lectures. The key advantage of the Lectern II approach is that all important lecture components can be effectively captured without video. Lectern II employs the touch-sensitive screen technology to build a \\\"digital desk,\\\" which is shown to be able to effectively support and transparently capture the standard classroom lecturing activity. Recorded lectures can be edited and automatically uploaded to a Web server, and than viewed by students via a standard streaming player. As the total cost of a complete Lectern II system is under $4,000, Lectern II represents the first course lecture recording system that has the potential to be widely deployed in the classrooms of universities and K-12 schools.\",\"PeriodicalId\":118560,\"journal\":{\"name\":\"2003 International Conference on Multimedia and Expo. ICME '03. Proceedings (Cat. No.03TH8698)\",\"volume\":\"25 2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-07-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"23\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2003 International Conference on Multimedia and Expo. ICME '03. Proceedings (Cat. No.03TH8698)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICME.2003.1221708\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2003 International Conference on Multimedia and Expo. ICME '03. Proceedings (Cat. No.03TH8698)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICME.2003.1221708","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Lectern II: a multimedia lecture capturing and editing system
Deployment of asynchronous learning systems is still very limited mainly because of the use of expensive video to record and play back classroom lectures. The key advantage of the Lectern II approach is that all important lecture components can be effectively captured without video. Lectern II employs the touch-sensitive screen technology to build a "digital desk," which is shown to be able to effectively support and transparently capture the standard classroom lecturing activity. Recorded lectures can be edited and automatically uploaded to a Web server, and than viewed by students via a standard streaming player. As the total cost of a complete Lectern II system is under $4,000, Lectern II represents the first course lecture recording system that has the potential to be widely deployed in the classrooms of universities and K-12 schools.