Last time I checked, August 2019, the date of that thread, is not earlier than March 2019, the date this thread was made. So, this thread is actually the earlier one, by about 5 months.
You're right, my apologies, I was going off of the date from the last comment in the thread and not the start of the date.
nothing to fixed. .cda on DataCD is not a actual lossless anyway.
The original redbook audio from the DOS version was lossless and in a 44KHz format, but the battle.net edition is confirmed by myself to be not only in a 22KHz format, but stored in lossy compression format. My fix mentioned above fixes both of these and has the original length audio. (The full length audio isn't something I really care about too much, but eh, its there as part of the restoration process anyway.)
So, there are two things to be fixed about the GoG Warcraft II release's music. The sound effects should be looked at as well to see if they suffer from the same degradation of quality. And also the CGI movies and the audiotracks for them - since somebody else claimed they were also of inferior quality in the B.net re-release of Warcraft II. It seems that Blizzard made a lot of shoddy cuts to the quality of the game in order to save the cost of a 2nd CD in the B.net re-release. This just goes to show that the B.net edition, while being the first version many or maybe even most people played, is an inferior product and a poor choice to use as the basis for a remaster.
I will take a look into the sound effects and cinematics being of a lower quality on this battle.net release as well, but my gut feeling is that those are going to be the same or higher quality, but i'll let you know for sure.
Also, if anyone is interested, I also did a restoration project where I restored the original music as would have been heard through MIDI on cards like the Sound Blaster 16 (or any card using a true OPL3 chip). You can find that here: https://www.gog.com/forum/warcraft_ii_battlenet_edition/warcraft_ii_opl3_midi_music_replacement_sound_blaster_16_and_the_like