On Aug 10 17:57:17, arche1@xxxxxx wrote: > Hi! > > I am playing 2 frequencies like this: > > play -qn synth $a_number_variable sine $sound_1 sine $sound_2 fade h > $some $random $numbers > > and I am trying to play even more sounds like: > > play -qn synth $a_number_variable sine $sound_1 sine $sound_2 sine > $sound_3 sine $sound_4 > or like: > > play -qn synth $a_number_variable sine $sound_1 sine $sound_2 synth > sine $sound_3 sine $sound_4 Why the extra invocation of 'synth'? 'play -n synth 5 sine 100 sine 200 sine 300 sine 400' works just fine. > but that doesn't work. Meaning what? What actual command are you using, and what exactly is SoX doing? (That is to say, show us the output of play -V synth ...) > How would I do it to play 4 frequencies parallel > with the same command? Is there no support for that and if so, why limit > it to 2? Is your hardware capable of playing more than 2 channels? If not, you will need the remix effect to mix it down to two channels. Jan _______________________________________________ Sox-users mailing list Sox-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/sox-users