Target Speaker Extraction with Curriculum Learning
arxiv(2024)
摘要
This paper presents a novel approach to target speaker extraction (TSE) using
Curriculum Learning (CL) techniques, addressing the challenge of distinguishing
a target speaker's voice from a mixture containing interfering speakers. For
efficient training, we propose designing a curriculum that selects subsets of
increasing complexity, such as increasing similarity between target and
interfering speakers, and that selects training data strategically. Our CL
strategies include both variants using predefined difficulty measures (e.g.
gender, speaker similarity, and signal-to-distortion ratio) and ones using the
TSE's standard objective function, each designed to expose the model gradually
to more challenging scenarios. Comprehensive testing on the Libri2talker
dataset demonstrated that our CL strategies for TSE improved the performance,
and the results markedly exceeded baseline models without CL about 1 dB.
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