1. Topic 5 Instructional audio OWT 410

2. Instructional audio Digital audio Definition of podcast Type of podcast Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

3. Digital audio The audio captured with a microphone is sent to an Analogue-to-Digital Converter that can be in a soundcard. The audio is now stored as binary data (0s and 1s) on a hard disk or magnetic tape. Part 1 of 2 … 2 Analogue-to-Digital Converter

4. Digital audio The audio stored as binary data is converted to analogue data (sound). Part 2 of 2 … 2 Digital-to-Analogue Converter

5. Instructional audio Digital audio Definition of podcast Type of podcast Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

6. Definition of podcast A podcast is simply a media file that can be downloaded from a website. Podcasts download quickly and can be placed onto a mobile device like an iPod. The term podcast is a combination of pod (Portable On Demand) and cast. Part 1 of 1 … 3

7. Instructional audio Digital audio Definition of podcast Type of podcast Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

8. Types of podcast There are essentially four types of podcast, namely: Audio podcast: The term used for the online delivery of audio content. Example... Example... Video podcast: The term used for the online delivery of video content. Example... Example... Enhanced podcasts: Podcasts that combine audio podcast with synchronised images, similar to a narrated slideshow. Example...Example... Screencast: Is a digital recording of computer screen output as a video screen capture, often containing audio narration. Example...Example... Part 1 of 1 … 5

9. Instructional audio Digital audio Definition of podcast Type of podcast Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

10. Tools for creating audio podcasts The following tools are required for creating an audio podcast: A computer with an Internet connection. A microphone and headset. Recording and editing software. MP3 converter. Part 1 of 1 … 5

11. Instructional audio Digital audio Definition of podcast Type of podcast Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

12. Steps for creating an audio podcast Creating an audio podcast includes the following steps: Preparing the script: The script is written out and rehearsed prior to recording. Recording and editing the sound file: Add effects, such as fade in and out and extra sound tracks. Publishing a podcast: Publish to your website or a web hosting and syndicating service that distributes podcasts across the Internet. Part 1 of 1 … 4

13. Instructional audio Digital audio Definition of podcast Type of podcast Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

14. Text-to-speech Text To Speech (abbreviation: TTS): also called Speech synthesis is the artificial production of human speech. The computer system used to produce TTS is called a speech engine. A Text to Speech engine transforms any text into speech in real time. It literally reads out loud any written information with a smooth and natural sounding voice. Example... Part 1 of 1 … 3

15. Instructional audio Digital audio Definition of podcast Type of podcast Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

16. Using podcasts in education Uses of podcasting in learning and teaching are: Recording of lectures. Recording of special events e.g. outside speakers. Subject expert interviews Assisting auditory learners, and/or providing for a variety of learning styles. Specific listening practice for certain disciplines e.g. heart sounds in medicine, speech/phonetics. Listening to language – comprehension and pronunciation. Submitting oral reports and/or other assignments. Part 1 of 2 … 8

17. Using podcasts in education Lecturers providing group feedback on assignments. Students capturing audio data as part of inquiry-based learning. Students recording notes from field work. Students engaging in other forms of creative activities. Part 2 of 2 … 4

18. Instructional audio Digital audio Definition of podcast Type of podcasts Steps for creating audio podcasts Tools for creating audio podcasts Text-to-speech Using podcasts in education

19. Test to speech examples Natural Voices Return AT&T: Interactive TTS: Loquendo Demo Cepstal Voices: Cepstral Neospeech Neospeech demo:

20. Podcast examples English Secondary Language Return Audio podcast: Video podcast: Space shuttle Enhanced podcast: 1190 AM Know Quadratic Graphing Screencast: