The most reliable Khmer TTS currently comes from major tech giants who have invested in localization.
Khmer is a beautiful, complex script with 74 characters—the longest alphabet in the world. Unlike Latin-based languages, Khmer relies on subscripts, vowels placed above, below, or around consonants, and a distinct lack of spaces between words. Traditional TTS systems struggled with these features, often producing robotic or inaccurate speech. text to speech khmer