Khmer Pronouncing Dictionary is new guide to enunciating both formal and informal Khmer language. The work is a joint-effort of Mr. Filippi and Mr. Chan Vicheth.
The dictionary is a compilation of standard Khmer and Phnom Penh dialect. What’s standard Khmer? This refers to the way Khmer is or should be spoken in a formal environment such as universities, schools, administration, and even the media outlets. The dictionary offers both Khmer standard form and Phnom Penh casual form.
As quoted in The Cambodia Daily, “This highly idealized Khmer language based on the pronunciation of an academic authority had but little if any counterpart in reality,”
This Khmer Pronouncing Dictionary (a massive guide) can be downloaded here (PDF): http://unesdoc.unesco.org/images/0024/002463/246360M.pdf