Multiplexed Digital Audio Signal Compatible with NTSC Television

Audio for Digital Television

Audio is an area in television broadcasting and production that causes apprehension with some engineers because of its complexity and the care needed to get it right in design, installation, and operations. With the transition to digital television (DTV), there is a new level of uncertainty because the requirements for audio are far more advanced and complex than before. Yet digital audio provi...

Television Measurements NTSC Systems

The NTSC Color Television Standards

When a conventional black-and-white receiver is tuned to transmissions conforming to the NTSC color standards the receiver responds fully to the first signal (the “brightness signal”) and recreates from it an image in black-and-white having a quality equal (or superior) to that provided by present black-and-white standards. Because of the nature of the chromatic signal, no normally perceptible ...

An Analysis of Audio for Digital Cable Television

With an increasing number of cable systems deploying large volumes of digital set top boxes and digital services it has become increasingly apparent that large audio level discrepancies can exist between analog and digitally tiered programming. Since the local cable system usually has no control over the digital service audio levels it is up to the programmer(s), in most cases, to rectify any o...

A digital signal processing primer - with applications to digital audio and computer music

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