Sayコマンドでのパラメータについてのまとめ
# all these voices are available on Mac OS X 10.5
# good female voices Agnes Kathy Princess Vicki Victoria
# good male voices Bruce Fred Junior Ralph
# other voices Albert Bad News Bahh Bells Boing Bubbles Cellos Deranged Good News Hysterical Pipe Organ Trinoids Whisper Zarvox