AV Tools - Be an AV expert wherever you go with AV Tools. It''s a simple but very useful collection of audio visual tools and information for use whenever you need them. These include: ? Audio Delay Calculator ? Wavelength Calculator ? SPL Calculator ? Impedance Calculators ? Aspect Ratio Calculator ? Projection Distance Calculator ? DMX Address - Dip Switch ? Beam Width Calculator ? Power Voltage Current Calculator ? Voltage Drop calculator ? Pin-outs for common Audio Visual Connectors ? Tone Gen (Sine waves, White & Pink Noise) If you find this app useful please consider upgrading to the advert free pro version available: https://market.android.com/details?id=com.embu.avtoolspro If you would like to request a feature or report a bug please email me.