: This is the standard "raw" image format for PlayStation 1 games. The .bin file contains the actual data, while the .cue file acts as a map for the tracks.
If your game plays but lacks background music, the online converter likely ignored the .cue file. Use a desktop tool like PSX2PSP to ensure multi-track audio is compressed correctly. bin to pbp online converter
If you are looking to convert a specific file right now, I can help you find a reliable or guide you through the desktop settings for the best compression. Would you like a recommendation for a specific platform (Windows, Mac, or Browser)? : This is the standard "raw" image format