![]() ![]() A number of spectrum types can be selected, including Full and 1/3 Octave, and Critical Bands, which splits the spectrum into ranges that reflect the way the human auditory system perceives sounds as 'similar'. It can be zoomed with the mouse wheel or by dragging a box over the area you want to see close-up, and scrolled by dragging on the two axes. Spectrum Analyzer displays frequency against amplitude on a graph. "Spectrum Analyzer displays frequency against amplitude on a graph" ![]() Phase problems are indicated by segments around the edge that light up red when significantly out-of-phase signals occur. ![]() Presented as a top-down view, the relative levels of the channels are indicated by the central 'blob', while the white dot is the equivalent to the stereo Balance Meter, showing the point that the listener will perceive the weight of the sound to be coming from. Surround Scope offers the same sort of information, but for any 5.1 surround sound material. The Correlation Meter on the right is used to check for phase cancellation, showing the level of similarity between the two channels (+1 meaning they're perfectly in phase, -1 meaning they're perfectly out of phase). The Balance Meter at the bottom of the interface shows the stereo location of the sum of the left and right channels - essentially, the point in the stereo image at which the listener will feel the body of the sound is coming from. As well as the current state of the signal, all three modes also show its recent history, fading over a few seconds. ![]() Vectorscope offers three analysis modes: Polar Sample shows individual samples as dots, Polar Level shows the average levels of samples, and Lissajous Vectorscope plots sample dots on an oscilloscope. Sound Field is Insight's positional analyser, switchable between mono, stereo and surround modes - named Vectorscope and Surround Scope, respectively. Operating in both 2D and 3D modes, Spectrogram displays both the frequency and amplitude distribution of the incoming signal over time, with the 3D version looking quite spectacular and being fully pannable and rotatable. "Spectrogram displays both the frequency and amplitude distribution of the incoming signal over time" And they go a little something like this. The five modules are entitled Spectrogram, Sound Field, Spectrum Analyzer, Level Meters and Loudness History Graph. ![]()
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