these ultra sound waves to directly into the fermenting line the frequency of the waves is about two hundred thousand hertz ten times higher than what a conventional loudspeaker can produce. thanks to this vibration transmitter and the round stainless steel tank the vibrations are reflected take this as a mixing effect that keeps during the nice during that fermentation process it keeps the yeast in bacteria and suspension. and the result is that during fermentation the wind takes on a creamy air quality wood says i make a. nice this crucial for wine production it's what turns juice into alcohol. books now has quite a selection of wines treated this way in addition to rose and red wine. he also markets a recent. japanese scientist was