DEVICE FOR IMPROVING THE ACOUSTIC PROPERTIES OF SPRUCE TONE WOOD

摘要

In a method for improving the acoustic properties of spruce wood for musical instruments, at least one wood chip is subjected to Physisporinus vitreus treatment under controlled, sterile conditions. In this case, the previously sterilized soundwood blank is immersed in a fungus mycelium-enriched liquid medium and kept dark during a contact time in the dark and finally sterilized, during the exposure time, a temperature of 18 to 26 ° C and a relative humidity of about 60 to about 80% is set , The fact that the liquid medium contains nanofibrillated cellulose (NFC) in a proportion of 200 to 300 g per liter, a reproducible, uniform and free from local defects improvement of the acoustic properties of the sound wood is guaranteed.