A constant widescreen (2.39:1) version, which cuts off the top and bottom of the breathtaking IMAX cinematography. Always look for releases sourced from the official Blu-ray, which preserves these spectacular IMAX transitions. Audio Requirements: Do Not Ignore the Sound

The MKV container is favored by audiophiles and videophiles because it acts as a digital multimedia container. It can hold an unlimited number of video, audio, picture, or subtitle tracks in one file without compressing or degrading the original source quality.

Do you have a dedicated , or are you using TV speakers?