Ori asta:
http://www.softpedia.com/......itor.shtml
ori asta:
http://download.chip.eu/ro/Power-Sound-Editor-Free-5.7_1632556.html
(in variantele gratis, nu poti salva in mp3, numai.wav) iti trebuie un convertor gratis:
http://www.softpedia.com/......tory.shtml