Lip-Sync Test Methodology Checklist

One page: the four measurement methods (clapper, light+mic probe, automated detection, perceptual check), the tolerance numbers and sign convention, the time-of-flight correction, and a six-step repeatability checklist.

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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 lip-sync test checklist compares four measurement methods, gives tolerance numbers and sign convention, and makes results repeatable in six steps. Volume 5 covers synchronisation in detail: lip sync, timestamps and clock domains, jitter buffers and quality metrics such as PESQ and POLQA. Written by Nikolay Sapunov, CEO at Fora Soft.

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