數位學習Podcast推播機制之探討—以華語文學習為例

Abstract

數位學習在Web2.0時代下具有移動性、跨平台等多元的面貌，本研究主要探討利用Podcast推播特性滿足個人化行動學習之可行性。研究目的在探討Podcast使用需求、平台設計與評估。本研究採用研究發展法，以使用者訪談探討功能需求，提出平台設計之功能規格與界面，最後以平台功能評估作結。得研究結論如下：根據使用需求設計以Web2.0為核心概念之互動式平台，並符合華語文學習需求情境。平台功能以互動問答、社群討論、訂閱與推播、支援移動設備與頻道發佈等功能設計。平台內頻道功能與推播機制設計為本研究關注之面向，頻道與推播系統的使用角色為頻道創作者、教材使用者與系統管理者；頻道創作者登入後透過Web網頁編輯模式以降低使用端系統需求，教材使用者可透過互動式意見表達對該教學內容、頻道之意見。頻道與推播系統提供頻道公告訊息RSS訂閱、頻道教學內容Podcast訂閱，訂閱推播資訊以頻道資訊、頻道網址、教學Podcast影片與影片相關描述資訊等。評估與測試後歸納意見如下：具時效性的問答知識庫需要注意社群經營與維持平台使用率；頻道與推播方面可以增進會員互動與充實網站內容，透過Podcast的教學活動有助於平台學習教材延伸至行動學習，然Podcast的描述資訊著錄必須詳細，並且注意有效連結與更新頻率。E-learning has multi-features in Web2.0 era with mobile and open characteristics. The research is aim to develop a platform in order to fit the personal e-learning within Push technology, such as Podcast, by exploring Podcast User experiences, designing the platform ,and evaluating it as well. Research and Development method is taken in the thesis. Research procedure include finding out the user engineering requirements, bringing out the site specification and interface, and assessing the site. This platform features following subjects. Based on user investigation, the research platform is taking concepts from Web2.0 and corresponds with the environment of Chinese Learning. The platform are designing by those functions, such as interactive questions and answers, communities discussions, subscriptions and pushing, mobilabilities and channel publishing. Researcher is focused on the development of mechanism of Channel and Publishing. There are publisher, content user, and system administrator in this system. Publisher can maintain the channel information by website interface with a logged on account. Content User can comment on the channels or learning contents by rating stars or texting messages. The system is providing RSS and Podcast subscriptions which include channel descriptions, URL, Podcast video clips and descriptions etc. The platform took advices by site usage and evaluation. First of all, updated databases of Q&A need keeping maintaining by frequency usage and communities management. Second, strict descriptions of learning objects made leaning activities extended from the platform to the air effectively. Last, keep the Podcast updating frequently.