Valve noise (10) for Hearing Protection.The valve (10) includes a housing (1) which can be placed or embedded in a plug for the ears (100) to form a Seal between an ear canal (13) of an ear and an External Environment (11),The housing (1) comprising a Conduit (2) sound that extends through the housing (1) to allow at least partial transmission of sound from the External Environment (Channel 11) AUDItivo (13) an impulse filter (3) comprising a rigid plate (4) which form an enclosed volume (12) within the sound Tube (2),Where The Rigid plate (4) comprises at least one Hole (5) to get the sound from the External Environment (11) through the Hole (5) The Volume enclosed (12) and - FiAcoustic filter (6) to flatten a transfer function noise Sound External Environment (11) in the ear canal (13),The Acoustic filter (6) includes a MESH (7) arranged in the sound Tube (2) between the Rigid plate (4) and the ear canal (13),Wherein the Mesh (7) comprises a rack to form a Plurality of Openings through the Grate, where a Cross Section area of the Openings is between 0.5 to 20 percent of the total cross section area of the Mesh (7).Válvula acústica (10) para la protección auditiva, la válvula (10) comprende una carcasa (1) que puede colocarse o integrarse en un tapón para los oídos (100) para formar un sello entre un canal auditivo (13) de una oreja y un entorno externo (11), la carcasa (1) que comprende - un conducto de sonido (2) que se extiende a través de la carcasa (1) para permitir al menos la transmisión parcial del sonido desde el entorno externo (11) al canal auditivo (13) - un filtro de impulso (3) que comprende una placa rígida (4) que forma un volumen encerrado (12) dentro del conducto de sonido (2), en donde la placa rígida (4) comprende al menos una perforación (5) para hacer pasar parte del sonido desde el entorno externo (11) a través de la perforación (5) al volumen encerrado (12) y - un filtro acústico (6) para aplanar una función de transferencia acústica del son