ResearchBenchmarksSpeech Naturalness ABX Test (NABX) on LibriMix (test)Follow55.83CodeSepCodeSep37.879642.539847.251.8602Jan 19, 2026Evaluation ResultsMethodMethodLinksCodeSepFSTCN/Pp-valueCodeSepBitrate Comparison=1 v...Bitrate Comparison=1 vs. 2 kbps2026.0155.8341.92.27—CodeSepBitrate Comparison=1 v...Bitrate Comparison=1 vs. 4 kbps2026.0152.7742.974.26—CodeSepBitrate Comparison=1 v...Bitrate Comparison=1 vs. 8 kbps2026.0138.5753.577.86—