Interstellar -2014- Imax Edition 1080p Bluray 5... Updated -

The “1080p BluRay 5.1” part of the filename indicates:

While some may scoff at “only 5.1” in an Atmos era, Interstellar was mixed natively in 5.1 for IMAX 70mm prints (which have no object-based audio). The 5.1 track in this IMAX Edition is typically a direct rip from the Blu-ray’s DTS-HD Master Audio 5.1, clocking at 24-bit/48kHz. It maintains: Interstellar -2014- IMAX Edition 1080p BluRay 5...

Most home users simply watch the 1.43:1 image as-is, centered with letterboxing on top/bottom (for scope scenes) and pillarboxing on sides (for IMAX scenes). It’s not seamless, but it’s authentic. The “1080p BluRay 5

The same applies to the launch from Earth, the wave on Miller’s planet, and the tesseract. The extra height isn’t just empty space; it contains critical compositional elements. It’s not seamless, but it’s authentic

Given the phrasing, this likely refers to a high-quality fan release or a specific encode of Christopher Nolan’s Interstellar (2014) that preserves the original IMAX aspect ratio shifts, commonly labeled in torrent or usenet naming conventions as something like: Interstellar.2014.IMAX.Edition.1080p.BluRay.x264.DTS-HD.MA.5.1