OPTIONALLY SHIELDED SOUND AVAILABLE ELECTRIC ACOUSTIC WINDOWS

摘要

The present invention relates to a sound treating device capable of selective sound shielding. The present invention relates to a sound window technique and a method, wherein a clean sound environment is generated by selectively controlling a sound applied to an acoustically shielded indoor space such as a building and a vehicle. The sound treating device comprises: a sound receiving unit for obtaining one or more sound signals from the outside; a sound signal treating unit for treating a sound signal obtained from the outside; and a playing unit for playing a treated sound therein through one or more speakers.