This paper introduces a new Chinese text-to-speech system that produces far more natural and intelligible synthesized speech than existing systems. There are two distinguishing features in this system. One is the perfect prosodic rules that were summed up from the linguistic knowledge and statistical results made on a standard Chinese database. These rules are successfully used to modify the elemental synthesis units to get high naturalness while concatenate them to a sentence. The other feature is that, the Log Magnitude Approximate