i want to write wav to a file useing wavwrite function

i use y=wavrecord(n,fs) to record sound after i assign fs=11025 ; n=3*fs then i play the wav with wavplay and when i want to write it to file useing wavwrite occur this error Error using wavwrite>OpenWaveWrite (line 169) Unable to open file. Reason: Permission denied

Error in wavwrite (line 95) fid = OpenWaveWrite(wavefile);

i use this function

 wavwrite(y,fs,'test.wav')

Answer 1

[Walter Roberson]

Check to see if the file is open in another process.

Check where you are trying to write the file. If you are in Windows 7 and you try to write under the system folder (e.g.., if MATLAB is installed in the system folder), then that will be denied unless you are running as administrator.

[Abdulkareem]

than you very much mr. walter your answer solve the problem