A Mamba-based Network for Semi-supervised Singing Melody Extraction Using Confidence Binary Regularization
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866910941672636416 |
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| author | He, Xiaoliang Dong, Kangjie Cao, Jingkai Yu, Shuai Li, Wei Yu, Yi |
| author_facet | He, Xiaoliang Dong, Kangjie Cao, Jingkai Yu, Shuai Li, Wei Yu, Yi |
| contents | Singing melody extraction (SME) is a key task in the field of music information retrieval. However, existing methods are facing several limitations: firstly, prior models use transformers to capture the contextual dependencies, which requires quadratic computation resulting in low efficiency in the inference stage. Secondly, prior works typically rely on frequencysupervised methods to estimate the fundamental frequency (f0), which ignores that the musical performance is actually based on notes. Thirdly, transformers typically require large amounts of labeled data to achieve optimal performances, but the SME task lacks of sufficient annotated data. To address these issues, in this paper, we propose a mamba-based network, called SpectMamba, for semi-supervised singing melody extraction using confidence binary regularization. In particular, we begin by introducing vision mamba to achieve computational linear complexity. Then, we propose a novel note-f0 decoder that allows the model to better mimic the musical performance. Further, to alleviate the scarcity of the labeled data, we introduce a confidence binary regularization (CBR) module to leverage the unlabeled data by maximizing the probability of the correct classes. The proposed method is evaluated on several public datasets and the conducted experiments demonstrate the effectiveness of our proposed method. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2505_08681 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Mamba-based Network for Semi-supervised Singing Melody Extraction Using Confidence Binary Regularization He, Xiaoliang Dong, Kangjie Cao, Jingkai Yu, Shuai Li, Wei Yu, Yi Sound Artificial Intelligence Audio and Speech Processing Singing melody extraction (SME) is a key task in the field of music information retrieval. However, existing methods are facing several limitations: firstly, prior models use transformers to capture the contextual dependencies, which requires quadratic computation resulting in low efficiency in the inference stage. Secondly, prior works typically rely on frequencysupervised methods to estimate the fundamental frequency (f0), which ignores that the musical performance is actually based on notes. Thirdly, transformers typically require large amounts of labeled data to achieve optimal performances, but the SME task lacks of sufficient annotated data. To address these issues, in this paper, we propose a mamba-based network, called SpectMamba, for semi-supervised singing melody extraction using confidence binary regularization. In particular, we begin by introducing vision mamba to achieve computational linear complexity. Then, we propose a novel note-f0 decoder that allows the model to better mimic the musical performance. Further, to alleviate the scarcity of the labeled data, we introduce a confidence binary regularization (CBR) module to leverage the unlabeled data by maximizing the probability of the correct classes. The proposed method is evaluated on several public datasets and the conducted experiments demonstrate the effectiveness of our proposed method. |
| title | A Mamba-based Network for Semi-supervised Singing Melody Extraction Using Confidence Binary Regularization |
| topic | Sound Artificial Intelligence Audio and Speech Processing |
| url | https://arxiv.org/abs/2505.08681 |