Anime Studio allows multiple sound files to be added to an animated sequence including separate sounds for sound effects, dialogue, and a background music track.
Several sound-editing software packages are available that can help you record and create the needed sound files. Two good options are Cool Edit and Sound Forge. When recording and mixing the soundtrack for the animation, be sure to check the starting and ending of the audio file because the ability to edit sounds in Anime Studio is limited.
Another popular software package for preparing audio files is Audacity. It is free from http://audacity.sourceforge.net and works on Windows, Mac, and Linux.
Another aspect of the audio file to keep track of is where the ...