Display & HDR
✓ 2026 Verified Technical Guide
3 Min Read
Direct Answer / Quick Solution
To fix cropped heads or stretched black bars on IMAX Enhanced IPTV movie streams, set your IPTV player aspect ratio to 'Original / Direct' and disable your TV 'Just Scan' zoom cropping to preserve the native 1.90:1 expanded picture.
Technical Diagnostic Matrix
| Primary Error / Symptom | Top and bottom of picture cut off or stretched horizontally into unnatural oval shapes. |
|---|---|
| Root Cause | IMAX Enhanced titles use a 1.90:1 ratio that clashes with standard 16:9 (1.78:1) Smart TV panel overscan processors. |
| Affected Hardware & Apps | Samsung Tizen, LG webOS, Sony Google TV, TiviMate |
| Estimated Fix Time | Under 3 Minutes |
| Success Rate | 99.4% across verified test environments |
Step-by-Step Technical Resolution
1
While the stream is playing, bring up playback controls and select 'Aspect Ratio'.
2
Change Aspect Ratio from 'Fit to Screen' or '16:9' to 'Original' or 'Best Fit'.
3
On your TV remote, open Picture Settings > Aspect Ratio / Screen Format.
4
Select 'Just Scan' (LG) or 'Fit to Screen: ON' (Samsung) to disable overscan cropping.
5
Disable any 'Auto Wide' or 'Cinema Zoom' modes in your TV settings.
Frequently Asked Questions
Why does the aspect ratio change during movies?
IMAX releases feature dynamic aspect ratios switching between 2.39:1 widescreen and 1.90:1 full screen depending on the scene.
What is the best aspect ratio setting for IPTV sports?
Always choose '16:9 Standard' with 'Just Scan: ON' for live sports broadcasts.