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Improving End-to-End Neural Diarization Using Conversational Summary Representations by Broughton, Samuel J.; Samarakoon, Lahiru is a scholarly article available to read on EtoBox.

What is Improving End-to-End Neural Diarization Using Conversational Summary Representations about?

Speaker diarization is a task concerned with partitioning an audio recording by speaker identity. End-to-end neural diarization with encoder-decoder based attractor calculation (EEND-EDA) aims to solve this problem by directly outputting diarization results for a flexible number of speakers. Currently, the EDA module responsible for generating speaker-wise attractors is conditioned on zero vectors providing no relevant information to the network. In this work, we extend EEND-EDA by replacing the input zero vectors to the decoder with learned conversational summary representations. The updated EDA module sequentially generates speaker-wise attractors based on utterance-level information. We propose three methods to initialize the summary vector and conduct an investigation into varying input recording lengths. On a range of publicly available test sets, our model achieves an absolute DER performance improvement of 1.90 % when compared to the baseline.

Author

Broughton, Samuel J.; Samarakoon, Lahiru

Published

2023

Language

EN