You might be looking for a specific text guide or documentation explaining why the CHD version of the Spanish release is superior (e.g., fixed audio/dubbing issues or better compression).
It sounds like you're referring to a very specific, niche piece of fan-edited or bootleg content—likely a custom soundtrack or remix project titled Metal Gear Solid España Disco 1CHD Better . While no official MGS release matches that name, I can offer a of what such a project could represent within the intersection of retro gaming, Spanish fan culture, and the enduring love for Hideo Kojima’s masterpiece.
La versión Disco 1CHD de Metal Gear Solid en español ofrece varias características y mejoras notables: