Media
音频自动淡化设计器
设计并渲染音乐化的淡入/淡出：按 BPM 折算小节长度，或从检测到的静音自动推导时长；淡化贴着真实音乐区间摆放，默认对数曲线，可选静音修剪。
file· 文件结果打开工具
快速开始
用三种语言从你的代码中调用此工具。
cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/audio-automatic-fade-designer' \
-H 'Content-Type: application/json' \
-d '{"filename":"audioFile.ext","contentType":"application/octet-stream","size":12345}'
# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
--data-binary @/path/to/file.ext
# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/zh/api/tools/audio-automatic-fade-designer' \
-F 'audioFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'lengthEngine=tempo' \
-F 'bpm=120' \
-F 'fadeInUnit=1' \
-F 'fadeOutUnit=2' \
-F 'fadeCurve=log' \
-F 'trimSilence=true' \
-F 'outputFormat=wav'