Target Speaker Extraction through Comparing Noisy Positive and Negative Audio Enrollments

• URL: http://arxiv.org/abs/2502.16611v1
• Date: Sun, 23 Feb 2025 15:33:44 GMT
• Title: Target Speaker Extraction through Comparing Noisy Positive and Negative Audio Enrollments
• Authors: Shitong Xu, Yiyuan Yang, Niki Trigoni, Andrew Markham,
• Abstract summary: Previous research has explored extracting the target speaker's characteristics from noisy audio examples.<n>In this work, we focus on target speaker extraction when multiple speakers are present during the enrollment stage.<n>Experiments show the effectiveness of our model architecture and the dedicated pretraining method for the proposed task.
• Score: 34.67934887761352
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Target speaker extraction focuses on isolating a specific speaker's voice from an audio mixture containing multiple speakers. To provide information about the target speaker's identity, prior works have utilized clean audio examples as conditioning inputs. However, such clean audio examples are not always readily available (e.g. It is impractical to obtain a clean audio example of a stranger's voice at a cocktail party without stepping away from the noisy environment). Limited prior research has explored extracting the target speaker's characteristics from noisy audio examples, which may include overlapping speech from disturbing speakers. In this work, we focus on target speaker extraction when multiple speakers are present during the enrollment stage, through leveraging differences between audio segments where the target speakers are speaking (Positive Enrollments) and segments where they are not (Negative Enrollments). Experiments show the effectiveness of our model architecture and the dedicated pretraining method for the proposed task. Our method achieves state-of-the-art performance in the proposed application settings and demonstrates strong generalizability across challenging and realistic scenarios.

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