activeSpeaker on libmediasoupclient

a real-time volume notification can be received in a timely manner if the audio stream is sent on the mediasoup-demo-app,however, notifications are very few or even non-existent if the audio stream is sent on libmediasoupclient
mediasoup version 3.8.4
libmediasoupclient version 3.3.0

{"notification":true,"method":"activeSpeaker","data":{"peerId":"pm7kaw47","volume":-75}}