VLC for Android / documented 3.X controls · Version-scoped publisher documentation; no UK IPTV account/device test. Instructions are based on publisher guidance; a UK IPTV account was not tested on this platform.
Notice what changed between items
Suppose a viewer slows an authorised tutorial to 0.75x and then opens a different clip. If the second clip also sounds and moves slowly, first inspect the visible playback-speed setting. The original file has not necessarily been rewritten or encoded incorrectly. An application preference can affect presentation without altering the media stored on disk.
Check the versioned save option
VideoLAN’s VLC for Android 3.X video settings document Save Playback Speed. When enabled, the selected speed remains after changing videos; when disabled, the documentation says it returns to 1.00x for the next video. This is a specific persistence choice. It should not be confused with the television refresh rate or a programme-guide time offset, which describe different systems.
Use a simple duration comparison
For an illustrative 120second clip, playback at 0.75x would take 160 seconds if played continuously under that rate. That is 120 divided by 0.75, before allowing for pauses or startup. A longer elapsed viewing time therefore can follow directly from the chosen rate. It does not, by itself, show that the source contains extra scenes or that delivery has repeatedly stalled.
Return to the intended baseline
Choose1.00x if normal-rate playback is required and decide whether future items should inherit changes. Reopen a known authorised sample and verify the setting. Keep any time-stretching or pitch-handling behaviour separate if sound character remains a concern. This article explains the documented preference and a hypothetical calculation; it reports no test of a UK IPTV programme or exact current interface on every Android device.