Latest articles by ALDO CUGNINI
Broadcast monitors
LCD displays have rapidly displaced CRT monitors, first for computer users and then for consumer TV viewing. The same evolution is now taking place for
Interactive services
In 1953, children could interact with the Winky Dink and You program by drawing on a piece of clear plastic affixed to the TV screen. Kids would be asked
MPEG tools
Video compression has been available in a standardized form for about 20 years. Over that time, there have been considerable advances in the technology.
Mobile video technology
With the ATSC standard for mobile DTV released last year, and the potential for a half-billion worldwide mobile TV subscribers by 2013 (according to ABI
Broadcast in transition
Broadcasting is in a transition that goes beyond the mere conversion of analog systems to digital platforms. Various initiatives are leading the way to
Video compression technology
A media container is a that contains video, audio and data elements, and can function as a file entity or as an encapsulation method for a live stream.
Facility A/V timing
Although content distributors have recently gotten the message on audio operations in the form of federally mandated requirements on commercial and program
The road to 3-D
Although 3-D content is widely available in theaters, and 3-D disc players are now on retail shelves, terrestrial digital television has not caught up
Digital interfaces
A video processing pipeline encompasses end-to-end audio and video processing, commencing with A/V capture and culminating at a video display. As shown
Correcting lip sync errors
Audio/video synchronization, or lip sync, is a frustrating problem for both broadcasters and viewers. The complexity of the broadcast plant has not made
Audio interfaces
Digital audio has not been spared from the usual alphabet soup of interfacing and distribution formats. Now relatively mature, AES3 (and the related S/PDIF),
DTV reception solutions
Digital broadcasting has now replaced high-powered analog television broadcasting in the United States. But is reliable over-the-air reception a given?
Interactive services
The killer app of computer interactivity, when considering popularity, is probably the Web browser. But interactivity requires more than just a browser;
MPEG-4 AVC systems
MPEG-4 AVC offers many tools for coding video and higher coding efficiency than MPEG-2. The growing number of AVC applications is facilitated by a broad
Digital video processing
In this column earlier this year, we mentioned the concept of an overall transfer function describing a complete camera-to-display video system. We then
D-A conversion
By the time you read this, more than 20 million digital converters will have been purchased and installed in U.S. viewers' homes, and a large number will
Understanding muxing
Multiplexing is a technique for carrying multiple channels of information within a common signal. Although usually thought of as a digital process, the
DTV multichannel transmission
Digital transmission brings with it a host of new possibilities and headaches for those unprepared to make the most of the opportunities. The flexibility
Technology Seminar - Monitors
While several manufacturers still market CRT displays, the requirements for critical video evaluation are being met by more LCD units. Some of the enhanced
Maintaining lip sync
The problem of lip sync, or A/V synchronization, continues to daunt the most sophisticated video operators. While various technical working groups continue
Broadcast monitors
Broadcast monitors are in the middle of a transition, not unlike the digital transition. CRT monitors, used for decades as the ultimate standard for judging
Displaying growth
Some say we've gotten to the point where the venerable CRT is about to become obsolete. This month, we'll take a look at the existing and emerging display
ATSC enhancements
Now that ATSC is about to embark on its status as the primary TV transmission method in the United States, let's take a look at a number of changes to
