基于噪声均衡的音频传输质量评价方法及其系统
By selecting and processing multi-channel noise sources and performing equalization in audio transmission quality testing, the problem of noise simulation testing being greatly affected by the environment was solved, achieving better test consistency and accuracy.
CN121054028BActive Publication Date: 2026-07-17THE THIRD RES INST OF MIN OF PUBLIC SECURITY
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- THE THIRD RES INST OF MIN OF PUBLIC SECURITY
- Filing Date
- 2025-08-21
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In existing technologies, noise simulation testing is greatly affected by the playback equipment and the testing environment, which may lead to different evaluation results when the same testing standards are used in different regions.
Method used
By selecting the appropriate noise source and processing it according to the test environment, a multi-channel noise source is generated and then equalized to ensure that the background noise meets the test specifications and eliminate noise differences between different test environments.
Benefits of technology
It achieves better consistency in audio transmission quality testing, eliminates noise differences between different test environments, and improves the accuracy and consistency of testing.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN121054028B_ABST
Abstract
本发明涉及音频处理技术领域，具体涉及一种基于噪声均衡的音频传输质量评价方法及其系统，其中，所述的方法包括：针对测试项目选择对应的噪声源，依照测试环境对噪声源进行处理得到多通道噪声源；采用测试扬声器播放多通道噪声源并采集噪声样本；基于噪声样本对多通道噪声源进行均衡处理，得到均衡噪声源；基于均衡噪声源进行音频传输质量测试。针对现有技术中的噪声仿真测试受到播放设备和测试环境影响大的问题，针对测试场景预先选定了对应的噪声源并进行重放测试得到噪声样本，针对噪声样本进行了均衡处理，使得实际播放的背景噪声符合测试指标，从而消除了不同的测试环境之间的噪声差异，更好的实现测试的一致性。
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