recording density in a sentence

Examples

1. Micropolis's first advance was to take the existing 48 TPI ( tracks per inch ) standard created by Shugart Associates, and double both the track density and track recording density to get 4 times the total storage on a 5.25 inch floppy.
2. Although advances in head and media technologies have historically been the driving forces behind the increases in the areal recording density, digital signal processing and coding established themselves as cost-efficient techniques for enabling additional substantial increases in areal density while preserving the high reliability of hard disk drive ( HDD ) systems.