Published October 27, 2026 | Version v1

Podcast Ad Transcription WER: Diarization When Overlap Hits 25%

Authors/Creators

Description

Podcast ad transcription WER breaks when speaker overlap hits 25%. Learn the 15% routing rule and why overlap dominates diarization errors.

Independent technical note mirroring the canonical version: https://transcribeall.io/blog/podcast-ad-transcription-wer-diarization-when-overlap-hits-25.php

Sources consulted:

  1. https://www.bluusun.com/

Notes

Independent analysis; not peer-reviewed.

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