Originally Posted by colucix
The wave file already is mono and 8kHZ, so that you don't need the -c1 and -r8000 options respectively. Have you tried without any option? What is the quality of the output file? Another question: which Linux OS are you running the sox command on?
Thank you very much for your reply . Please be informed that I run the command without any option and it seems that it gets through . The sizes of the *.gsm converted files are as :
sizes : 4752 bytes & 5841 bytes
Can you please confirm if they are correctly converted ?
Please be informed that my client Linux OS is of CentOS 5 .