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谷歌logo题目声音节拍动绘AE MG教程 Google Sound Response Animation

谷歌新Logo色块随音频跳动动绘，将音频转换成枢纽帧，然后链接到线条少度变革中

we’ll be creating sound activated shape layers inspired by the new Google animations for the new logo using After Effects.

教程顶用到的表达式：

第一个:
aInp=thisComp.layer(“Audio Amplitude”).effect(“Both Channels”)(“Slider”);
aInp.valueAtTime(time-(index/24))*4+.000­1

第两个:
inp=content(“Shape 1″).content(“Trim Paths 1″).start;
linear(inp,0,100,180,0);