'mi-voix' means in a subdued voice. 'mi' is a variation of 'demi' meaning half, so 'parler à mi-voix' means literally to speak at half the regular volume of the voice.
In French, "voix" means "voice" in English. It refers to the sound produced by speaking or singing, as well as the ability to produce this sound.
In French, "voix" is feminine.
"La voix pure" translates to "the pure voice" in English.
la voix (feminine)
baisse la voix / baissez la voix
voix
la voix
You can say "J'aime ta voix" in French to tell someone you like their voice.
It means "I miss your voice". However, it should be written 'votre voix me manque'.
"Je veux entendre ta voix"
elle a une belle voix
Looks like French. It would be pronounced "vwa".