iTunes Plus (formerly known as "iTunes Plus AAC") refers to Apple's premium digital audio format. It is a , which is significantly higher quality than the traditional 128 kbps or 192 kbps MP3 files. Format: M4A (MPEG-4 Audio). Quality: 256 kbps VBR (Variable Bit Rate).
: Unlike the older MP3, the .m4a extension (MPEG-4 Audio) allowed for better compression and higher fidelity, making it the preferred choice for fans who wanted their music to sound "clean" on their iPods. The Evolution of the Discography avengedsevenfolddiscographyitunesplusaacm4a
I can give you specific tips to make your music sound as crisp and punchy as possible. iTunes Plus (formerly known as "iTunes Plus AAC")
An iTunes Plus AAC encode uses psychoacoustic modeling to ensure that these complex frequencies do not get compressed into generic digital noise, preserving the punch of the low end and the crispness of the cymbals. Chronological Journey Through the A7X Discography Quality: 256 kbps VBR (Variable Bit Rate)
A crucial collection of unreleased tracks and covers. The iTunes version features a punchy, live-mixed master of their legendary Long Beach Arena performance.