CD types & sonic quality (UHQCD, SHMCD, BSCD2, Crystal Disc, MQA-CD etc.)

The Compact Disc celebrates 40 years and is still present in our lives and actually is selling quite good for being a physical media. New audiophile types have arrived in the last years introducing new materials and manufacturing processes. Do these special characteristics really increase sonic quality or is it just marketing? LINKS: Test audio files: https://u.pcloud.link/publink/show?code=XZtafk0ZlzWEpDeCy6LOFawhEwSo15HwtnJy XRCD video: https://youtu.be/iiUeBgMAfmM?si=fAItZPkN4reHnh5w AQCD video: https://youtu.be/krp0KfJrsqw?si=MSaSLG2kHRzasd4c HDCD video: https://youtu.be/5jxZ2Q6Levo?si=TaHdbhdZxRdBUY6K INDEX: 0:00 - Intro 1:24 - SHMCD specs 5:05 - SHMCD test intro 7:53 - SHMCD Track 1 9:10 - SHMCD Track 2 10:29 - SHMCD test results 11:07 - SHMCD Platinum specs 11:54 - SHMCD Platinum test intro 12:30 - SHMCD Platinum Track 1 13:29 - SHMCD Platinum Track 2 14:28 - SHMCD Platinum test results 14:54 - BSCD2 specs 17:11 - BSCD2 test intro 18:30 - BSCD2 Track 1 19:22 - BSCD2 Track 2 20:14 - BSCD2 test results 20:57 - UHQCD specs 23:55 - UHQCD test intro 26:36 - UHQCD Track 1 27:36 - UHQCD Track 2 28:35 - UHQCD test results 29:50 - Crystal Disc specs 31:12 - MQA-CD specs 33:05 - Other types 34:18 - Final considerations More Ana[dia]log groove: INSTAGRAM: https://www.instagram.com/ana.dia.log FACEBOOK: https://www.facebook.com/anadialog1 X: https://twitter.com/anadialog #compactdisc #cds #uhqcd