romildo: I like this one: http://www.etse.urv.es/~dmanye/quelcom/doc/quelcom.html#wav%20tools kjetism@hensten ~ $ qwavjoin --help qwavjoin: join wav files syntax: qwavjoin [option]... file1 file2... -h, --help: show this help and exit -o, --output <file>: send output to <file>. otherwise, append to <file1> -v, --verbose: verbose -V, --version: show version and exit --