Guides
Practical guides to the standards broadcast and streaming engineers test against every day: what each check means, the limits the specifications set, and how to verify them on a real stream.
Transport stream
ETSI TR 101 290
Priority 1, 2 and 3 checks explained
Every ETR 290 indicator, the PAT/PMT, PCR and SI limits from the specification, and how to read the results.
Ad insertion
SCTE-35
Splice messages and how to verify them
splice_insert versus time_signal, segmentation descriptors and UPIDs, PTS pre-roll, and checking that cues arrive correctly.
Streaming
OTT Stream Monitoring
HLS, MPEG-DASH and SRT explained
How live video is delivered over HTTP and SRT, what goes wrong in distribution and contribution, and what to monitor.
Audio
Loudness Measurement
ITU-R BS.1770, EBU R128 and ATSC A/85
How loudness is measured, the R 128 and A/85 targets and true-peak limits compared, and common pitfalls.