在 3D 世界里，所有的表演都需要一个舞台。Three.js 遵循“三剑客”原则：场景、相机、渲染器。
For comparison, the equivalent configuration in Vapi - using the same STT, LLM, and TTS models - estimates around ~840ms. In this setup, the custom orchestration actually beats Vapi's own estimates by about 50ms.
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春节期间，手里难免沾上油烟、糖霜或者护手霜，手机镜头大概率是蒙着一层油污的。带着油污去拍照，所有的灯光都会变成乱七八糟的眩光，画面也是雾蒙蒙的，再精通后期也救不回来。所以，在掏出手机准备记录美好瞬间之前，先用衣服下摆或者纸巾，用力地、仔细地把镜头擦干净。
"From when you first wake up, you think, is today going to be the day we get that call?" he said.
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