ITU-T has made public a
tracking test signals applicable to uses such as testing end-to-end quality of telecoms systems, compliance to specific ITU standards (ITU-T Recommendations) and performance assessment of certain types of telecom terminals.
The ITU-T Test Signals for Telecommunication Systems
database currently contains 15 gigabytes of audio, still image, video signals and encoded bitstreams. It is a “one-stop shop” for data found within ITU-T Recommendations. Some of this material was previously available only in physical media (such as CDs or DVDs), and can now be downloaded for free.
Database entries are augmented with explanations and links to the corresponding Recommendations.
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