第三届DIHARD挑战赛的ABSP系统
ABSP System for The Third DIHARD Challenge
摘要:
本报告描述了由ABSP实验室团队为第三次DIHARD语音日记挑战开发的说话人日记系统。我们的主要贡献是开发用于说话人日志化的声学域识别(ADI)系统。我们研究基于扬声器嵌入的ADI系统。我们应用一个域相关的阈值凝聚层次聚类。此外,我们优化参数PCA的降维领域相关的方式。我们的方法集成域为基础的处理方案的基线系统的挑战实现了相对改善$9.63\%$和$10.64\%$在DER的核心和完整的条件,分别为轨道1的DIHARD III评估集。
英文摘要:
This report describes the speaker diarization system developed by the ABSP Laboratory team for the third DIHARD speech diarization challenge. Our primary contribution is to develop acoustic domain identification (ADI) system for speaker diarization. We investigate speaker embeddings based ADI system. We apply a domain-dependent threshold for agglomerative hierarchical clustering. Besides, we optimize the parameters for PCA-based dimensionality reduction in a domain-dependent way. Our method of integrating domain-based processing schemes in the baseline system of the challenge achieved a relative improvement of $9.63\%$ and $10.64\%$ in DER for core and full conditions, respectively, for Track 1 of the DIHARD III evaluation set.
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