( Google translate). Presented music with enhanced stereo effects and increased "contrast" sound. This is not an extension of the stereo base. The sound of most phonograms acquires lightness and airiness, in accordance with the sound presentation characteristic of the so-called "old school", "old school" characteristic of tube amplifiers and vinyl turntables. The sound was saved as AAC 320 kB / s, as the most suitable in terms of its parameters. Sources MP3 128-320 kb / s. Sound changes were made in hardware at the "SEEMS" level. It seems to me that high-quality sound should be like this. It seems that I have stated some considerations on the site: stereo-plus.com. And how much mine SEEMS to be correct in sound quality is for you to judge.