Mir\'s a simple convolver. GigaPulse is that plus a whole lot more. There\'s not much comparison between the two...GigaPulse is definitely a next generation tool. However, if you\'re looking for simple, two channel convolution, Mir is fine. A single \"space\" in GigaPulse is actually 7 mics x 16 positions + mic modeling. It\'s quite a bit more elaborate.