Sevana 构建用于测量一通语音呼叫究竟听起来有多好的技术。我们从第一天起就是国际化的:2003 年起步于芬兰,自 2010 年起在爱沙尼亚延续,至今仍在全球运营着一支团队和合作伙伴网络。最重要的是,我们相信真正的高科技总有机会取胜,因此我们从不惧怕竞争。

我们的道路始终围绕一个理念:先把语音质量做对,再在真实流量上加以验证。下面的每一个里程碑,都让我们离这一目标更近一步。
简而言之,我们把原始音频和数据包转化为清晰、可经得起检验的质量评分。我们的感知引擎 PVQA 像真人那样聆听解码后的语音,而我们的网络模型则补充传输视角。围绕这一核心,我们为各种工作流程构建实用的产品:
面向实验室和测试的全参考与无参考音频质量分析,以 POLQA 和 ViSQOL 为基准。
被动式、感知式语音质量分析,无需参考信号即可对实时或录制的语音进行评分。
面向运营商网络的实时被动式 VoIP 与 VoLTE 质量监控,提供双 MOS 与告警。
直接从 PCAP 捕获分析 VoLTE 与 VoIP 通话质量,提供双 MOS、时间线与 AI 解释。
由于音频质量是我们唯一专注的事情,客户会带着其他工具无法解释的难题找到我们。我们与每一个合作伙伴紧密协作,让路线图对他们的需求保持开放,并为结果负责。因此,当目标只是为用户提供尽可能好的声音时,运营商、测试人员和软件厂商都信赖 Sevana。
“NetQPro has worked with Sevana for many years, extending our monitoring solution with their know‑how in waveform analysis. Our customers value Sevana’s expertise in audio quality evaluation and the benefits it brings in troubleshooting. Especially now, as VoLTE grows, Sevana’s technology for end‑to‑end verification of voice services enables full, instant problem detection and reliable service. Moreover, Sevana has proven a professional partner, always open to close co‑operation. Therefore, we recommend them with full confidence.”
Zbigniew Lapkiewicz – NetQPro
“We have collaborated with Sevana for several years to deliver their voice‑quality analysis to our clients. At comitFS, our middleware (CAS) integrates regulated communications for Investment Banking and Wealth Management, and four of the world’s top‑10 investment banks have chosen comitFS. One flagship client relies on Sevana’s PVQA to ensure optimal voice quality, and Sevana’s technology is a vital part of our CAS Oversight monitoring. We highly value their support and gladly recommend them as a trusted partner.”
Jappy Takhar, Managing Director – comitFS
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