| 摘要 |
<p>An audio frequency compressing system (1) for a headset (5) receiver comprising amplifier means (20) for input signals (3) and gain controller means (21, 22). The system further comprises a circuit (13, 14, 15, 16, 17) to protect the user against continuous high-level signals, a circuit (9, 10, 11, 12) forming a AGC circuit and a hard-clipping circuit in the headset (5) in order to follow the OSHA procedure. <IMAGE></p> |
