Changing video playback speeds

I'm trying to watch videos for class on Blackboard. Quicktime is not supported. I use Real Player. I would like to be able to use quicktime. I also would like to be able to speed up and slow down the lecture. I have heard of a program called Enounce, but it is only available for windows. Is there a similar program to use with Mac OS???

Are you able to alter playback speeds, to speed up and slow down while watching a video. What I mean is, if I'm relistening to a lecture, can I speed up the lecturer and slow him back to regular talk when it is an important portion to the lecture. I noted a product called Enounce (enounce.com). It is available for windows based computers only. Please look at this and tell me if there are settings or options in Quicktime or anyother video player that you can preform these same functions. I'm relatively new to Mac. I love the computer, but am still learning the differences from PC. Thanks again.

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