Looking for pronunciation and syllabification data for American English. I want to analyze pronunciation and spelling rules/heuristics to see how accurate they are and identify exceptions. The goal is to help English as a Second Language students. Rule example: most English words have the accent on the second-to-last syllable.
If it's useful I would make it available to others. No commercial ambitions for now.
The CMU Pronouncing Dictionary (http://www.speech.cs.cmu.edu/cgi-bin/cmudict) has 133K pronunciation entries but without syllabification.
I plan to use data from http://www.wordfrequency.info/ to limit the analysis to the most frequent words (20K? 30K?).