To avoid the possibility of finding differences in the original and compressed files, subject must agree not to rip any tracks from the CD or in a any way use a computer to analyze the CD. Subject must work alone and not seek opinions from others. Using any stereo components desired, subject may listen to tracks on audio CD for for as long and as often as desired switching tracks at will, making notes, etc. The CD drive is 24x read/write, Matshita DVD-R UJ-875, firmware revision DB09. I created a playlist with the 24 tracks and sound-leveled all tracks with iVolume v3.1.4.Ī CD-R was burned with my iMac using iTunes. To determine which track comes first in a pairing, I rolled a six-sided die. stereo bit rate = 256 Kbps Variable Bit Rate (VBR)ĬD tracks were imported to iTunes using the Apple Lossless Encoder.MP3 tracks were imported to iTunes with these settings: Songs are ordered alphabetically by song title. Itzhak Perlman,Violine Wiener Philharmoniker, James Lavine The Nutcracker Suite – Dance of the Sugar Plum Fairy The primary criteria for track selection are length of track (2-4 minutes), availability (I have to own them), and pure subjectivity. “silver” discs – no CD-R, no online purchases, etc.).
![ivolume not seeing itunes purchases ivolume not seeing itunes purchases](https://www.iphonelife.com/sites/iphonelife.com/files/styles/screenshot_iphonexr_660_2x/public/cant_delete_apps_4.png)
Think you’re an audiophile? I’ll bet you beers you can’t tell the difference between 256 Kbps VBR MP3s and CD audio in a blind test.ġ2 tracks have been selected from commercially sold, mass-produced audio CDs (i.e. Unless you’re a dog, a whale, or a computer, you’re not going to be able to tell the difference between a good MP3 and CD audio.