Dirac HD Sound is a state-of-the-art digital audio performance enhancement technology on the all new Infinix Hot 7 that optimizes all types of sound systems outfitted with a loudspeaker or transducer, from home speakers and mobile devices to headphones. By correcting impulse and magnitude frequency response, Dirac HD Sound drastically improves musical staging, clarity, voice intelligibility, and bass fidelity.

Made for entertainment, Dirac HD Sound on the Hot 7 is more advanced than previous Hot series and tailored to both earphone and loudspeaker irregular, unusual and mind blowing meticulous acoustic measurements in sounds. This gives you a great deal of satisfaction and lets you brings out the inner joy in you Dirac HD Sound offers fundamental audio performance improvements.
Dirac HD widening technology helps the speaker to create a magically wide, surround sound with enhanced sound quality perfect for movies, gaming and music on the go.

http://www.infinix.club/ng/forum/803/1109427