{"id":"audio-normalize","engine":"media","category":"audio","name":"音频峰值归一化","fields":[{"key":"file","label":"选择文件","type":"file","accept":"audio/*,.wav,.mp3,.ogg,.m4a,.flac","multiple":false,"required":true},{"key":"peak","label":"目标峰值 (dBFS)","type":"number","default":-1,"min":-30,"max":0,"step":0.1}],"sample":{}}