ACTIVE HEARING PROTECTION SYSTEM

摘要

An active hearing protecting system right earplug and a left earplug and a wearable central unit to be worn at the user's body a digital audio signal processing unit which has at least two channels and which can be connected via an audio input to an external audio signal source each earplug including a microphone and a loudspeaker which are connected to the audio signal processing unit. The central unit also has a detector for detecting audio signals and being adapted to control the audio signal processing unit when audio signal is detected. The audio signal processing unit has an ambient mode in which the audio signals captured by the left ear microphone are provided to the left ear loudspeaker and the audio signals captured by the right ear microphone are provided to the right ear loudspeaker, and a communication mode in which the audio signals from the audio input are provided at least one of the loudspeakers and audio signals captured by at least one of the microphones are provided to the other ear loudspeaker.