They do not
make voice effects, but they will make a variety of emotions and the sound effects associated with them depending on the situation.
The mic would be in the middle of the room, so that the actors could deliver their lines from different angles in order to create that feeling of a
multilayered voice effect.
I wished that the game had the actual noises these professional players made when hitting that cross-court smash, but instead you the odd
canned voice effect if anything at all.
Namely, BlueJackG, the Wario remix aficionado who redid the entire soundtrack of Wario Land 4 in HD with modern instruments and
cleaner voice effects.
The sound department is really worthy of praise, though, with very good background tunes, adorable character sound effects (think of it as cuter Banjo -
Kazooie voice effects) and one heck of a great narrator.
The voice effects are particularly notable as well, especially Jake Elwood (possibly a reference to The Blues Brothers?)
Linkle comes with her trusty crossbow, and the re-skin also includes new facial animations and
voice effects.