Papers › Target conversation extraction: Source separation using turn-taking dynamics

Target conversation extraction: Source separation using turn-taking dynamics

15 Jul 2024arXiv:2407.11277archive 2025-07-28

Tuochao Chen, Qirui Wang, Bohan Wu, Malek Itani, Sefik Emre Eskimez, Takuya Yoshioka, Shyamnath Gollakota

Extracting the speech of participants in a conversation amidst interfering speakers and noise presents a challenging problem. In this paper, we introduce the novel task of target conversation extraction, where the goal is to extract the audio of a target conversation based on the speaker embedding of one of its participants. To accomplish this, we propose leveraging temporal patterns inherent in human conversations, particularly turn-taking dynamics, which uniquely characterize speakers engaged in conversation and distinguish them from interfering speakers and noise. Using neural networks, we show the feasibility of our approach on English and Mandarin conversation datasets. In the presence of interfering speakers, our results show an 8.19 dB improvement in signal-to-noise ratio for 2-speaker conversations and a 7.92 dB improvement for 2-4-speaker conversations. Code, dataset available at https://github.com/chentuochao/Target-Conversation-Extraction.

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