Ditch WMP. Download and install a copy of Exact Audio Copy (EAC). Don't bypass the configuration procedure. Select you want to have full control. There is a built-in search utility that will go to an online database. I found that database to be inadequate and opted to pay a couple of bucks for a much better database. It cost me $10 for a lifetime subscription that's useable for multiple PC's.FLAC files ripped from CDs.
When I burn those FLAC files onto a CD, I get this…
But what is a “wmp11.assocfile”??
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So how do I determine what exactly the files are?The fact that they are all 1KB in size indicates to me that is just showing the metadata, not the actual music files.
Fair.It really doesn't matter whether you know exactly what they are. Because there is no data that means anything usable.
That is to say, metadata is useless unless it's associated with a file. In some ways they're like the zero-byte CDA files that are seen when you use file manager to view the contents of a music CD. Rest assured, there's no music contained in them.
Fair.
But since my CDP only plays wav or mp3, that means they must be wav or mp3.
I wish to know which of the two I am listening to. I want to know if the tracks are compressed or not, lossless or not.
Also, I want to understand what is happening. I rip as FLAC. My player does not play FLAC, yet when I burn from the FLAC files, I get something that my player plays. I always thought that if I burn a FLAC file to a cd, I get FLAC on my cd, but that is clearly not the case.
Well, FWIW, my still functioning 1987 purchased Mc. MCD-7007 CD player plays WAV. ripped music tracks that I burn to CDs with no problems, as I use the player to confirm the burn`s CD player compatibility !Wav files are files that Windows creates from what's on a CD. Wav files are native to Windows.
What's on a commercial audio CD is not wav FLAC or mp3. That's why when you run a directory on a music CD it is displayed in file manager as a list of 0 byte cda files.
You can burn an audio CD from FLAC, mp3 or wav files because you have told Windows you want an audio CD. Windows will then automatically convert them to CD format when burned. If you tell Windows to create a data disk using wav, FLAC or MP3 it probably won't be playable on a regular audio CD player.
There are some audio CD players that will play MP3 files. I'm unaware of any that will play FLAC or wav files.

This is incorrect. A computer optical drive can most assuredly write an audio CD; I've done it many times, with standard blank CD-Rs (and it was definitely an audio CD, not a data CD with audio files on it; it was able to be played in any standard CD player, including those made before the advent of CD recording). The only time licensing fees were required was with audio component CD player/recorders. Those required special licensed media (which is probably no longer available).A computer optical drive cannot write an "audio CD" because license fees would need to be paid (in advance, by the manufacturer) for any drive with this capabilty.
You might wish to inform any one of my 9 different Windows (from Win 7, 8, and currently 10) machines, since I have many, many times successfully burned audio CDs from WAV. ripped music files in the computer, plus copied from one CD to another blank R/W CD on those machines, either directly if 2 optical drives were available (tower) or from a computer created image from the source CD because of only a single R/W optical drive was/is present (laptop).A computer optical drive cannot write an "audio CD" because license fees would need to be paid (in advance, by the manufacturer) for any drive with this capability.