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@jemoka / Jemoka Knowledge Base / wiki/concepts/speech_feature_extraction.md
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--- title: "Speech Feature Extraction" type: concept related: [Mel Scale, Filter Bank, Speech Feature Extraction] source: https://www.jemoka.com/posts/kbhspeech_feature_extraction/ confidence: high status: active --- take audio calculate Mel Scale representation apply a series of Filter Banks which attenuates the input to highlight groups of frequencies we then run a discrete-cosine transform to obtain MFCCs, because much of the output results will still correlate with each other