WAVE RESTORATION - Version 2.0 WAVE RESTORATION is a software that improve a sound quality of .wav. You can improve sounds of CD or your band's tape by using WAVE RESTORATION. To improve sound, we use epoch-making method. WAVE RESTORATION changes a dull sound into a good sound. Most of minor CD of the live performance are a dull sound. The cause that becomes a dull sound happens with that a part of the wave of a sound loses. WAVE RESRORATION does not add high frequency harmonics to dull sounds. Also, a wave is not being restored with the equalizer. WAVE RESTORATION restores wave by the new method. The new technology called AIfilter of our company development is being used, to the restoration of a wave.