Accurate automated closed captioning I have been looking into automated closed captioning and the accuracy of the services found so far is poor. 

I am looking to caption a number of 1hour + presentation recordings so manual captions isn't a feasible option.

Are there any worth while automated services out there??
YouTube's automated closed captions are actually getting better and better (and it's free!). Even if you don't use the automated (speech-to-text) captions in YouTube, it has a neat tool that pauses while you type a transcript (or lets you upload a transcript) and then automatically adjusts all the timings. You can find it in the Closed Captions section of any video you've uploaded.