This ones for the audio engineers out there. Its basically a little utility that Allen & Heath have put together to allow you to calibrate your sound system. Using a laptop and microphone. Examples of use include:

- Setting equipment levels
- Noise testing loudspeaker phasing
- Testing loudspeaker drivers
- Analysing room acoustics
- Analysing stage acoustics
- Analysing studio acoustics

Its free to use but does require registration in order to use it beyond a 14 day period. Click here to go there now.