RingtoneEditor lets you edit your existing MP3 Sonneries to your exact liking. You can import your newly created MP3 Sonneries or select a CD track and select the exact location and length of the final ringtone before uploading to your phone. You can select and play as you edit so that you get the exact ringtone you want to have. You can even change the bit rate of the selection to have better file Taille control. This is a powerful editing software. You can select the exact part of a song you wish for a ringtone! And it is free!