Feeding a measured room impulse response into a neural acoustic echo canceller, especially as a synthesized echo input, improves its performance on unseen and real rooms.
Room Impulse Response as a Prompt for Acoustic Echo Cancellation
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abstract
Data-driven acoustic echo cancellation (AEC) methods, predominantly trained on synthetic or constrained real-world datasets, encounter performance declines in unseen echo scenarios, especially in real environments where echo paths are not directly observable. Our proposed method counters this limitation by integrating room impulse response (RIR) as a pivotal training prompt, aiming to improve the generalization of AEC models in such unforeseen conditions. We also explore four RIR prompt fusion methods. Comprehensive evaluations, including both simulated RIR under unknown conditions and recorded RIR in real, demonstrate that the proposed approach significantly improves performance compared to baseline models. These results substantiate the effectiveness of our RIR-guided approach in strengthening the model's generalization capabilities.
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Room Impulse Response as a Prompt for Acoustic Echo Cancellation
Feeding a measured room impulse response into a neural acoustic echo canceller, especially as a synthesized echo input, improves its performance on unseen and real rooms.