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 <a href=../../tags/><b>Tags</b></a>.
 <a href=../../about/><b>About</b></a>.</nav></p></header><main><article><h1>low latency audio: measurement</h1><b><time>2024-07-20 13:02:00</time></b>
 <a href=../../tags/public>PUBLIC</a><div><p>终于有时间做一个测试，回答长久以来(见<a href=../../posts/20211130195311-low_latency_audio/>low latency audio</a>)很有疑问的一个问题。</p><p>我们常用的语音通话服务的延迟究竟是多少。</p><h2 id=测试手段>测试手段</h2><p>同样的网络环境中，两台设备分别在麦克风/扬声器附近放一个麦克风。
-两个麦克风分别作为左右声道接入声卡录音。</p><h2 id=测试结果>测试结果</h2><h3 id=微信语音>微信语音</h3><figure><img src=../../ox-hugo/2024-07-20_11-53-29_screenshot_hu93d68203adceca02e02ddd5e9d7bc857_1078368_1280x0_resize_q75_h2_box_3.webp height=721 width=1280></figure><p>\[1.571-0.047=0.524s\]</p><h3 id=腾讯会议>腾讯会议</h3><p><figure><img src=../../ox-hugo/2024-07-20_11-55-01_screenshot.png alt></figure>\[1.563-1.173=0.390s\]</p><h3 id=lark>Lark</h3><p><figure><img src=../../ox-hugo/2024-07-20_13-18-02_screenshot.png alt></figure>\[2.561-2.253=0.308s\]</p><h3 id=电话-联通-电信>电话，联通-电信</h3><p><figure><img src=../../ox-hugo/2024-07-20_11-55-45_screenshot.png alt></figure>\[1.652-1.329=0.321s\]</p><h3 id=lltalk>lltalk</h3><p><figure><img src=../../ox-hugo/2024-07-20_11-56-44_screenshot.png alt></figure>\[2.173-2.145=0.028s\]</p></div></article></main><script src=https://utteranc.es/client.js repo=dvorak0/site issue-term=pathname theme=github-light crossorigin=anonymous async></script><script async src=https://www.yangzhenfei.com/js/mathjax-config.js></script><script type=text/javascript async src=https://cdnjs.cloudflare.com/ajax/libs/mathjax/3.2.2/es5/tex-chtml.min.js></script><aside><div><div><h3>LATEST POSTS</h3></div><div><ul><li><a href=../../posts/20240720130238-low_latency_audio_measurement/>low latency audio: measurement</a></li><li><a href=../../posts/20240527151116-stoicism/>斯多葛主义(Stoicism)</a></li><li><a href=../../posts/20240131143759-avp%E4%BD%93%E9%AA%8C/>AVP体验</a></li><li><a href=../../posts/20240130180127-%E5%85%A8%E8%87%AA%E5%8A%A8%E9%A9%BE%E9%A9%B6%E7%9A%84%E9%87%8C%E7%A8%8B%E7%A2%91_%E5%90%97/>全自动驾驶的里程碑，吗？</a></li><li><a href=../../posts/20231108162044-llm_is_dead_long_live_agent/>LLM is dead, long live agent</a></li></ul></div></div></aside><footer><p>&copy; 2024 <a href=https://www.yangzhenfei.com/><b>Seeking Complexity</b></a>.
+两个麦克风分别作为左右声道接入声卡录音。</p><h2 id=测试结果>测试结果</h2><h3 id=微信语音>微信语音</h3><figure><img src=../../ox-hugo/2024-07-20_11-53-29_screenshot_hu93d68203adceca02e02ddd5e9d7bc857_1078368_1280x0_resize_q75_h2_box_3.webp height=721 width=1280></figure><p>\[1.571-0.047=0.524s\]</p><h3 id=腾讯会议>腾讯会议</h3><p><figure><img src=../../ox-hugo/2024-07-20_11-55-01_screenshot.png alt></figure>\[1.563-1.173=0.390s\]</p><h3 id=电话-联通-电信>电话，联通-电信</h3><p><figure><img src=../../ox-hugo/2024-07-20_11-55-45_screenshot.png alt></figure>\[1.652-1.329=0.321s\]</p><h3 id=lark>Lark</h3><p><figure><img src=../../ox-hugo/2024-07-20_13-18-02_screenshot.png alt></figure>\[2.561-2.253=0.308s\]</p><h3 id=mumble>Mumble</h3><p><figure><img src=../../ox-hugo/2024-07-21_14-54-28_screenshot.png alt></figure>\[2.351-1.618=0.733\]</p><h3 id=lltalk>lltalk</h3><p><figure><img src=../../ox-hugo/2024-07-20_11-56-44_screenshot.png alt></figure>\[2.173-2.145=0.028s\]</p></div></article></main><script src=https://utteranc.es/client.js repo=dvorak0/site issue-term=pathname theme=github-light crossorigin=anonymous async></script><script async src=https://www.yangzhenfei.com/js/mathjax-config.js></script><script type=text/javascript async src=https://cdnjs.cloudflare.com/ajax/libs/mathjax/3.2.2/es5/tex-chtml.min.js></script><aside><div><div><h3>LATEST POSTS</h3></div><div><ul><li><a href=../../posts/20240720130238-low_latency_audio_measurement/>low latency audio: measurement</a></li><li><a href=../../posts/20240527151116-stoicism/>斯多葛主义(Stoicism)</a></li><li><a href=../../posts/20240131143759-avp%E4%BD%93%E9%AA%8C/>AVP体验</a></li><li><a href=../../posts/20240130180127-%E5%85%A8%E8%87%AA%E5%8A%A8%E9%A9%BE%E9%A9%B6%E7%9A%84%E9%87%8C%E7%A8%8B%E7%A2%91_%E5%90%97/>全自动驾驶的里程碑，吗？</a></li><li><a href=../../posts/20231108162044-llm_is_dead_long_live_agent/>LLM is dead, long live agent</a></li></ul></div></div></aside><footer><p>&copy; 2024 <a href=https://www.yangzhenfei.com/><b>Seeking Complexity</b></a>.
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