Call QA coverage vs accuracy: the new role of sampling
Analysing every call vs sampling: coverage, fitness for analysis and accuracy are three separate numbers — with a worked example and sampling rules.
This section covers the decisions made before starting quality analysis of agent calls: what AI call analysis actually produces, which work stays with AI and which with people, how analysing every call differs from sampling, who owns quality, how to calculate ROI honestly, and what to ask in a software demo.
The articles are written for CEOs, operations and contact center managers. The product side is on the Vexvon Audio Analyzer page; to try it on your own recordings, get in touch.
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Analysing every call vs sampling: coverage, fitness for analysis and accuracy are three separate numbers — with a worked example and sampling rules.
How to split call QA between AI and people: first pass, review queue, human decision and appeal — with a matrix and queue rules.
How to calculate speech analytics ROI: freed hours, realised cash savings and proven business impact — with a verified worked example.
Call center quality management roles: who writes the standard, who checks results, who coaches agents — with a RACI table.
AI call analysis in five layers — recording, transcript, summary, per-criterion evaluation and score — shown on one example call, with the limits of each.
Choosing call center quality assurance software: a test on your own calls, eight groups of demo questions, red flags and a comparison table.
See Vexvon live in a 10-minute demo.