一种少样本无参考的双耳空间音频质量评估方法

By combining a pre-trained mono audio feature extraction and dual attention fusion module with a lightweight prediction network, the problem of efficient deployment of binaural spatial audio quality assessment methods in resource-constrained devices is solved, achieving high-precision and low-resource-consumption audio quality assessment.

CN122201349BActive Publication Date: 2026-07-17NINGBO UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO UNIV
Filing Date
2026-05-14
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing binaural spatial audio quality assessment methods rely on reference signals that are difficult to obtain, while mono methods lack spatial feature modeling capabilities. Deep learning-based methods have high requirements for labeled data and computational resources, and their generalization ability is weak in scenarios with few samples, making them difficult to deploy efficiently on resource-constrained devices.

Method used

We employ a few-sample, no-reference binaural spatial audio quality assessment method. Through a pre-trained mono audio feature extraction module, combined with a dual-attention fusion module and a lightweight prediction network, we perform feature extraction and quality prediction, including feature decomposition, channel-level calibration, cross-channel spatial dependency modeling, and lightweight encoder design. This method is suitable for resource-constrained scenarios.

Benefits of technology

It achieves high-precision audio quality assessment under no-reference conditions, reduces computational resource consumption, is suitable for resource-constrained scenarios such as VR/AR devices and in-vehicle terminals, and has good generalization ability and fast convergence speed.

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Abstract

本发明公开了一种少样本无参考的双耳空间音频质量评估方法,该方法包括:获取少量样本的音频数据集并划分训练集、验证集和测试集;构建音频质量评估模型,将双耳空间音频信号分解为左右声道信号后,依次执行特征提取阶段、双注意力融合阶段和质量预测阶段;基于训练集对双注意力融合模块和轻量化预测网络进行训练,冻结单声道特征提取模块参数,并基于验证集采用早停机制选择最优模型参数;利用训练好的模型对测试集进行质量评估;优点是通过预训练迁移和参数冻结解决少样本训练难题,通过双注意力融合精准捕捉空间特征,通过轻量化预测网络降低资源消耗,实现无参考、高精度、少样本适配的双耳空间音频质量评估。
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