计算机专业英语 郭敏 计算机专业英语Unit8.pptVIP

Unit 8 Section 2 Passage A animation Interactive Multimedia ASCII BMP VGA analog format frame Microphone digitized speaker background sound Unit 8 Section 2 Passage B text-to-speech program talking book speech synthesis hypermedia computer simulation Unit 8 Section 2 Passage A Integration of multimedia into instruction can help to reduce curriculum barriers and improve learning for all students. Here is a basic introduction to multimedia and how it can be used to support student learning. Talking books and speech synthesis CD-ROM storybooks Video/videodiscs Hypermedia Computer simulations Unit 8 Section 2 Passage B 1. Talking books and speech synthesis Digital texts can be read aloud using recorded human voice or synthetic text-to-speech programs. Read-aloud is an intrinsic feature of so-called talking books, but with text-to-speech software, virtually any digital content—including web-based texts—can be read aloud, with or without synchronous highlighting of the printed text. Speech synthesis can be segmented at a variety of levels, providing feedback at the level of the passage, sentence, word, onset rime, syllable, or subsyllable. Read-aloud offers potential benefits to many students, including students with visual deficits, students with decoding problems, and reluctant readers. In addition to providing access to curriculum content for those who cannot see or decode printed text, read-aloud can support the development of key literacy skills such as fluency and reading comprehension, and increase engagement and motivation. Unit 8 Section 2 Passage B Text-to-speech is also a beneficial writing tool. It may be easier for students to recognize errors when listening versus reading a composition. By using text-to-speech to read back the text they have written, students may be able to revise more successfully. Unit 8 Section 2 Passage B 2. CD-ROM storybooks CD-ROM storybooks offer digital text in combination with features such as animations, illustrations, speec