What is orthoepy?
The orthoepy - (from Greek — right pronunciation) is the pronunciation recognized correct.
At each people having along with different local dialects and pronunciations, the common literary language, correct admits one any pronunciation. It ordinary pronunciation of that area which dialect formed the basis of formation of the book literary language. For example, Russians have
it is the Moscow dialect. Recently need of orthoepy is realized by practicians of a living word (readers, actors), and for the first time remarks on it found the place in the school program 1920.
the Russian orthoepy is based on
1) assimilation of the Moscow pronunciation and
2) elimination book alphabetic, pronunciations, like schoolboy it instead of e in oh, that, of course instead of what, of course, s, with I in verbs instead of with, with and: with d e l and l and with, with d e l and l with and.