After Effects脚本 - 将音频转换为关键帧？

Question

你怎么做＆＃34;将音频转换为关键帧＆＃34;在后效应中使用脚本，手动右键单击＆＃34;声音＆＃34;层＆gt;关键帧助手＆gt;将音频转换为关键帧。

var myComp = app.project.activeItem;
var musicComp = myComp.layer("music");

var myEffect = musicComp.property("Effects").addProperty("High-Low Pass");
myEffect.property("Filter Options").setValue(1);
myEffect.property("Cutoff Frequency").setValue(50);

// then I want to do "convert audio to keyframes" 

Answer 1

答案提供者：Walter Soyka

app.executeCommand(app.findMenuCommandId("Convert Audio to Keyframes"));