Evaluating Speech-to-Text Systems

How to Evaluate the Performance of a Speech-to-Text system

Neon light speech bubble with the word ‘hello’ inside
Photo by Adam Solomon on Unsplash
WER = (S + D + I) / N
WER = (S + D + I) / N
WER calculation
Reference: It's nice   and sunny at the sandy beach     today
STT: It's bright and sunny at sandy beach hut today yes
C S C C C D C C I C I
Reference: It's July 1st   2020
STT: It's July first twenty twenty
C C S S I

Machine Learning scientist & consultant :: voice and language tech :: powered by coffee :: www.catherinebreslin.co.uk

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