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What does "_ll_" mean in the ONNX tarballs? #628

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sevagh opened this issue Feb 9, 2025 · 1 comment

sevagh commented Feb 9, 2025

What's the difference between these two files?

DeepFilterNet3_ll_onnx.tar.gz
DeepFilterNet3_onnx.tar.gz

ll is larger (35 MB vs. 7.7 MB) and it seems to run slower as a baseline when feeding it mostly silence until I speak, when it runs as fast.

What does LL mean - low latency? Is it supposed to be faster or slower? What part of the paper talks about this?

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sevagh commented Feb 10, 2025

When I inspect their config.ini, I notice ll does have 0 lookahead (df_lookahead and conv_lookahead), which does indicate "low latency"

On the other hand, LL variant has larger weights/more layers in a few places which can make it run slower?

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