Subjective Audio Testing Cheat Sheet

One page: which method (MOS/MUSHRA/A-B/ABX) answers your question, how many listeners and which statistic each needs, the facts that catch people, and the discipline for a defensible test.

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Book cover: Audio for Video, Volume 5 of the Fora Soft Video Engineering Handbook

The book · Volume 5 of 7

Audio for Video: A Complete Guide to Sound in Video Products: From Jitter Buffers and Lip Sync to Atmos, Quality Metrics, and Neural Codecs

This cheat sheet matches MOS, MUSHRA, A/B and ABX to the question you are asking, with listener counts and the statistic each method needs. Volume 5 covers audio quality measurement in depth: PESQ, POLQA and ViSQOL, MUSHRA listening tests, neural codecs that need them, and the network effects such as jitter and packet loss you are often testing. Written by Nikolay Sapunov, CEO at Fora Soft.

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