VoiceThread is a web-based application that allows you to place collections of media like images, videos, documents, and presentations at the center of an asynchronous conversation.
A VoiceThread allows people to have conversations and to make comments using any mix of text, a microphone, a web cam, a telephone, or uploaded audio file.
Resources for VoiceThread from Penn State – http://voicethread.psu.edu/
VoiceThread Introduction Tutorials – http://voicethread.psu.edu/voicethread-introduction-tutorials.html
Seven Things You Should Know About VoiceThread – http://net.educause.edu/ir/library/pdf/ELI7050.pdf
Using VoiceThread for Online Presentations – http://facultynet.matc.edu/tltnewsletter/may11/page1.htm
Humanizing Online Learning with VoiceThread – http://gettingsmart.com/cms/blog/2013/02/humanizing-online-learning-with-voicethread/