Abstract:We propose a knowledge-driven approach to speech target extraction in the presence of background sound effects already recorded in cinematic audio. The specific knowledge sources studied are manners of articulation that are detected in speech frames and adopted to form a knowledge vector as a part of features to enhance speech separation and target speech extraction because some short speech segments are often difficult to separate from mixed background sounds. Testing on the recent Sound Demixing Challenge data for cinematic audio source separation (CASS) shows that utilizing articulator-aware knowledge sources produces better separation results than those obtained without using any knowledge, especially for speech segments buried in unspecified background sound events.
From: Chun-Wei Ho [view email]
[v1]
Thu, 30 Apr 2026 04:14:58 UTC (398 KB)
[v2]
Wed, 8 Jul 2026 04:19:16 UTC (396 KB)
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