We're explaining the difference between CDs and digital music. The sound quality, formats and what you have to know when it comes to the difference.
Is the sound on vinyl records better than on CDs or DVDs?
What Are MP3 CDs?
The sound of vinyl is just an effect. Here's the proof
Is 16 bit CD Quality Good Enough?
Is high-resolution audio (like SACD) audibly better than than CD?
High bitrate audio is overkill: CD quality is still great - SoundGuys
Music Industry Blog For Musicians And Engineers
All About the CD, HDCD, and SACD Audio Disc Formats
Q. How much impact can a CD transport have on sound quality?