In an ideal world, the human ear would be the best instrument any of us could use for quality control and impartial judgment of your daily work. However, it is just not that simple. The introduction of HD and surround sound, as well as loudness control issues have triggered an increasing demand for quality control and monitoring of audio signals. Fast perception and accurate assessment of audio levels using visual representation methods are indispensable elements of daily work. RTW's easy-to-use Audio Monitors are the obvious choice.