rem t1.wav->t1.mp3->t2.wav
lame -h t1.wav t1.mp3
lame --decode t1.mp3 t2.wav

rem t2.wav->t2.mp3->t3.wav
lame -h t2.wav t2.mp3
lame --decode t2.mp3 t3.wav

rem t3.wav->t3.mp3->t4.wav
lame -h t3.wav t3.mp3
lame --decode t3.mp3 t4.wav

rem t4.wav->t4.mp3->t5.wav
lame -h t4.wav t4.mp3
lame --decode t4.mp3 t5.wav

