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Table 1 Classification error with oracle boundaries for the 1BLSTM RNN classifier on the test partition for different frontend configurations (Chr, chroma; Δ,ΔΔ, 1st and 2nd order derivatives)

From: Multiclass audio segmentation based on recurrent neural networks for broadcast domain data

FeaturesClassification error (%)# Parameters
64 bands16.22200K
80 bands16.20217K
96 bands16.05233K
64 bands + Chr13.40213K
80 bands + Chr13.80229K
96 bands + Chr14.51246K
64 bands + Chr + Δ,ΔΔ13.35368K
80 bands + Chr + Δ,ΔΔ13.34418K
96 bands + Chr + Δ,ΔΔ13.37467K