Language Tools understands which languages you are studying, and which decks contain them. With this knowledge, it's able to intelligently suggest defaults and provide a high degree of automation for adding Audio, Translations and Transliterations.
Language Tool provides over 600 text to speech voices, which cover 50+ languages. You are certain to find a voice which matches your taste. Perform batch generation for your cards, or pronounce any field from the card browser. Listen to voice samples.
Translation is made possible using external services which provide a high quality of translation, in 133 languages. Transliteration is supported in some languages (for example Chinese to Pinyin). Full Language List.