Yes, you can index any set of audio files in Preferences/Audio Settings and change the reading voice. You can only register one set at a time, however. Hopefully, the other files will have a filename the Bible Analyzer indexing tool can understand.
Developer, Bible Analyzer
But to him that worketh not, but believeth on him that justifieth the ungodly, his faith is counted for righteousness. (Rom 4:5 AV)