Why WER lies to you in production IVR
Part 1 of the CAFA-IVR series. Your ASR dashboard is green and your callers are furious. Word error rate dropped two points last quarter. The vendor deck says accuracy is up. Meanwhile containment is flat, agent handle time is up, and the failure-review meeting has the same argument it always has:…
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- 2026-10-04 17:19 · DEV Community — Machine Learning
Why WER lies to you in production IVR