When you localize an e-learning course, every narration second matters. The audio track is often the most expensive and least flexible part of a multilingual course — so the choice between human voiceover and AI text-to-speech (TTS) tools shapes both your budget and your workflow.

Expanding your e-learning courses to international markets is a smart move, but poor localization can do more harm than good. Many companies waste time and money on half-measures that fail to engage global audiences.