Are you trying to get this file to work on a specific or handheld device ? If you tell me what you're using, I can help you with the setup!
Not all emulators support CHD natively. Here is what works best: PaRappa the Rapper -USA- -EnFrDeEsIt-.chd
If you are building a complete PlayStation library (the "No-Intro" or "Redump" sets), space is at a premium. A full US PS1 set in BIN/CUE is over 500GB. The same set in CHD is roughly 220GB. By using the CHD variant of PaRappa, you are future-proofing your archive. Are you trying to get this file to
The CHD format is superior to older ISOs for several reasons: PaRappa the Rapper -USA- -EnFrDeEsIt-.chd