Hi all This morning I play with vocoder, and the settings wich I sent yesterday to make a robot voice track. However, in some imported mp3 file, I got this message Nyquist returned the value: 3.599093 Anyone who know why, and how to solve? Thanks in advance. Cuong ________________ Dang Manh Cuong HCMC University of Pedagogy: The Educational Psychology Mobile: +84 902-572-300 E-mail: dangmanhcuong@xxxxxxxxx Yahoo! ID: manhcuong0312 Skype name: dangmanhcuong facebook: http://facebook.com/dangmanhcuong Blog: http://vi.netlog.com/Cuong_littlecat Website: http://ngoisaodanduong.com http://www.saomaicenter.org Projec-Website: http://dangmanhcuong.googlecode.com