Theme 4
| Nº | Resource | Content |
| 4.1 | Audacity | Audacity is a popular free software to edit audio |
| 4.2 | voki | talking avatar |
| 4.3 | vozME | voice in web pages |
| 4.4 | VidtoMP3 | web service to extract audio from a video |
| 4.5 | forbo | collaborating for a proper pronunciation |
| 4.6 | SlideShare | slidecast through the SlideShare service |
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