| 摘要 |
Intercom comprising at least one analog filter (AF, AF') suitable to filter at least one audio signal (VN, VN') transmitted through at least one input line (IL, IL'), wherein the output of said analog filter (AF, AF') is connected to at least one first audio output (OUT), said input line (IL, IL') being also connected to at least one digital filter (DF, DF') suitable to filter said audio signal (VN, VN'), wherein the output of said digital filter (DF, DF') is connected to at least one second audio output (OUT'). The present invention also relates to a method that can be carried out by such an intercom. |
