You are trying to apply the vocoder to a mono track, but the vocoder effect requires a stereo track. See here in the manual for how to use the Vocoder effect: http://manual.audacityteam.org/o/man/vocoder.html Steve On 6 June 2013 05:34, Dang Manh Cuong <dangmanhcuong@xxxxxxxxx> wrote: > Thanks steve > error: bad argument type - #<Sound: #ad20b48> > Function: #<Subr-AREF: #9098178> > Arguments: > #<Sound: #ad20b48> > 0 > Function: #<FSubr-SETF: #9094648> > Arguments: > S > (VECTOR (AREF S 0) (SCALE TRACK-VOL (AREF S 1))) > Function: #<FSubr-IF: #90990c8> > Arguments: > (< TRACK-VL 100) > (SETF S (VECTOR (AREF S 0) (SCALE TRACK-VOL (AREF S 1)))) > 1> error: bad argument type - #<Sound: #ad20b48> > Function: #<Subr-AREF: #9098178> > Arguments: > #<Sound: #ad20b48> > 0 > Function: #<FSubr-SETF: #9094648> > Arguments: > S > (VECTOR (AREF S 0) (SIM (AREF S 1) (SCALE RADAR-VOL (OSC (HZ-TO-STEP > RADAR-F) DURATION *RADAR-TABLE*)))) > Function: #<FSubr-IF: #90990c8> > Arguments: > (> RADAR-VL 0) > (SETF S (VECTOR (AREF S 0) (SIM (AREF S 1) (SCALE RADAR-VOL (OSC > (HZ-TO-STEP RADAR-F) DURATION *RADAR-TABLE*))))) > Function: #<Subr-AREF: #9098178> > Arguments: > #<Sound: #ad20b48> > 0 > Function: #<FSubr-SETF: #9094648> > Arguments: > S > (VECTOR (AREF S 0) (SCALE TRACK-VOL (AREF S 1))) > Function: #<FSubr-IF: #90990c8> > Arguments: > (< TRACK-VL 100) > (SETF S (VECTOR (AREF S 0) (SCALE TRACK-VOL (AREF S 1)))) > 2> NIL > 2> VOCODER > 2> NIL > 2> 1> > ----- Original Message ----- From: "Steve the Fiddle" > <stevethefiddle@xxxxxxxxx> > To: <audacity4blind@xxxxxxxxxxxxx> > Sent: Thursday, June 06, 2013 11:28 AM > Subject: [audacity4blind] Re: Vocoder question > > >> If you can reproduce the problem, please press the Debug button >> instead of the OK button, then a second window will pop up containing >> some debug text. Please copy and paste the contents of the debug >> window into your reply so that we can diagnose the problem. >> >> Steve >> >> On 6 June 2013 04:51, Dang Manh Cuong <dangmanhcuong@xxxxxxxxx> wrote: >>> >>> 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 >> >> >> The audacity4blind web site is at >> //www.freelists.org/webpage/audacity4blind >> >> Subscribe and unsubscribe information, message archives, >> Audacity keyboard commands, and more... >> >> To unsubscribe from audacity4blind, send an email to >> audacity4blind-request@xxxxxxxxxxxxx >> with subject line >> unsubscribe >> > ________________ 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: > > The audacity4blind web site is at > //www.freelists.org/webpage/audacity4blind > > Subscribe and unsubscribe information, message archives, > Audacity keyboard commands, and more... > > To unsubscribe from audacity4blind, send an email to > audacity4blind-request@xxxxxxxxxxxxx > with subject line > unsubscribe > The audacity4blind web site is at //www.freelists.org/webpage/audacity4blind Subscribe and unsubscribe information, message archives, Audacity keyboard commands, and more... To unsubscribe from audacity4blind, send an email to audacity4blind-request@xxxxxxxxxxxxx with subject line unsubscribe