Update preprocesses and processes of ambient noise calculation#3

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frostforestcdjl wants to merge 4 commits intoAI4EPS:mainfrom

frostforestcdjl:main

Commits on Aug 12, 2025

Update downsample and model
frostforestcdjl
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Commits on Aug 13, 2025

Reduce difference with upstream
frostforestcdjl
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Commits on Aug 14, 2025