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rwth-i6 / i6_models

Collection of NN-Model parts
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add LogMelFeatureExtraction #26

Closed JackTemaki closed 1 year ago

JackTemaki commented 1 year ago

Adds PyTorch-based log-mel feature extraction that is compatible to the librosa-based feature extraction in RETURNN.

The log-scaling and normalization are missing on purpose, as this should be an independent user decision.

Is a draft for now as test cases are still missing, but feel free to comment!

JackTemaki commented 1 year ago

@mmz33 as this is relevant for you and Atanas, can you review?