MambaRate: Speech Quality Assessment Across Different Sampling Rates
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866913944466096128 |
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| author | Kakoulidis, Panos Alexiou, Iakovi Oh, Junkwang Jho, Gunu Hwang, Inchul Tsiakoulis, Pirros Chalamandaris, Aimilios |
| author_facet | Kakoulidis, Panos Alexiou, Iakovi Oh, Junkwang Jho, Gunu Hwang, Inchul Tsiakoulis, Pirros Chalamandaris, Aimilios |
| contents | We propose MambaRate, which predicts Mean Opinion Scores (MOS) with limited bias regarding the sampling rate of the waveform under evaluation. It is designed for Track 3 of the AudioMOS Challenge 2025, which focuses on predicting MOS for speech in high sampling frequencies. Our model leverages self-supervised embeddings and selective state space modeling. The target ratings are encoded in a continuous representation via Gaussian radial basis functions (RBF). The results of the challenge were based on the system-level Spearman's Rank Correllation Coefficient (SRCC) metric. An initial MambaRate version (T16 system) outperformed the pre-trained baseline (B03) by ~14% in a few-shot setting without pre-training. T16 ranked fourth out of five in the challenge, differing by ~6% from the winning system. We present additional results on the BVCC dataset as well as ablations with different representations as input, which outperform the initial T16 version. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2507_12090 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | MambaRate: Speech Quality Assessment Across Different Sampling Rates Kakoulidis, Panos Alexiou, Iakovi Oh, Junkwang Jho, Gunu Hwang, Inchul Tsiakoulis, Pirros Chalamandaris, Aimilios Sound Audio and Speech Processing We propose MambaRate, which predicts Mean Opinion Scores (MOS) with limited bias regarding the sampling rate of the waveform under evaluation. It is designed for Track 3 of the AudioMOS Challenge 2025, which focuses on predicting MOS for speech in high sampling frequencies. Our model leverages self-supervised embeddings and selective state space modeling. The target ratings are encoded in a continuous representation via Gaussian radial basis functions (RBF). The results of the challenge were based on the system-level Spearman's Rank Correllation Coefficient (SRCC) metric. An initial MambaRate version (T16 system) outperformed the pre-trained baseline (B03) by ~14% in a few-shot setting without pre-training. T16 ranked fourth out of five in the challenge, differing by ~6% from the winning system. We present additional results on the BVCC dataset as well as ablations with different representations as input, which outperform the initial T16 version. |
| title | MambaRate: Speech Quality Assessment Across Different Sampling Rates |
| topic | Sound Audio and Speech Processing |
| url | https://arxiv.org/abs/2507.12090 |