Fabricio Batista Narcizo

Backchannel-Aware Transcription for Multiparty Conversation: ASR Omissions, Acoustic Recovery, and Cross-Corpus Transfer

Collective-state research increasingly treats automatic transcripts as a substitute for raw audio. We show this is not free under one widely used pipeline: WhisperX omits approximately 48% of hand-labeled backchannels (“mm-hmm”, “yeah”) in close-talk multi-party recordings, and the omission replicates across held-out r...