1. A system that improves speech intelligibility and speech quality of a speech segment comprising: a background noise processor programmed to detect and model a background noise from an input comprising a plurality of signals; a signal-to-noise processor programmed to approximate a signal-to-noise ratio of at least one of the plurality of signals; and an articulation index processor programmed to approximate an articulation index of the at least one of the plurality of signals processed by the signal-to-noise processor.