Before revision:  A well trained neural network based speech enhancement model is used for pre-processing and a neural network based voice activity detection (VAD) system is followed to remove background musicand noisewhich are harmful for speaker diarisation system.
After revision:  A well trained neural network based speech enhancement model is used for pre-processing front-end of input speech signals. We replace conventional energy-based voice activity detection (VAD) system is followed to remove background musicand noisewhich are harmful for speaker diarisation system.