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Reference · Picture & sound

Temporal resolution: IPTV reference

Temporal resolution describes how finely changes over time are represented. For ordinary video, frame rate is a key part of it: more distinct captured frames can describe movement in smaller time steps.

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What does Temporal resolution mean?

Temporal resolution describes how finely changes over time are represented. For ordinary video, frame rate is a key part of it: more distinct captured frames can describe movement in smaller time steps.

Why it matters

It should not be confused with the display’s refresh rating or with interpolated images created after capture. A television can refresh repeatedly using the same source frame, and motion processing can estimate intermediate pictures. Neither operation adds original camera observations. Exposure duration, cadence and presentation timing also affect how clear or smooth motion appears to the viewer.

A practical example

A 50 fps sports source contains more separate temporal samples than a 25 fps source when both truly contain distinct frames. Sending the 25 fps version through a 100Hz display does not turn it into a recording of 100 original moments each second.

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Related terminology: Television special, Territorial media rights.

For practical setup and troubleshooting, browse the journal or support guides.

Further reading

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