You may not be familiar with the Advanced Television Systems Committee, but the ATSC’s standards govern all digital television transmission, providing crisp, clear, and direct tv signals to users. The ATSC standards are what replaced the analog NTSC (National Television System Committee) standards on June 12, 2009.ATSC sets specifications for both audio and video. The audio standard, A/52, is a version of Dolby Digital AC-3. This allows for a maximum of five channels of sound with an extra channel for low-frequency effectsdeep sounds ranging from 3-120 Hz. This configuration is known as 5.1. (more…)