Latest articles by ALDO CUGNINI
Wireless video
With wireless technologies moving more content to viewers, live television broadcast must adapt to consumers' lifestyles, and while an OTA connection
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.
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
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
Elements of DRM
Digital rights management (DRM) has come to mean the combination of content protection (by means of encryption) with entitlement rules (conditional access,
Media wrappers
Broadcasting today relies on the ingest, storage and playout of content involving many different tape- and file-based media. With the migration toward
Mobile video technology
Mobile DTV is continuing to roll out in the United States. The Open Mobile Video Coalition (OMVC) recently projected that the new service will reach more
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
TV on the go
Mobile DTV standards give content providers the ability to broadcast multiple video programs and data to mobile and vehicular devices. Although basic
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
Interactive TV
Consumers are increasingly staying connected to their content world through fixed and mobile devices. This connectivity requires a level of interactivity
MPEG-4 AVC
With the growing interest in repurposing video to multiple media and diverse means of display, including mobile TV systems, it is useful to consider how
Broadcast monitors
Video monitoring technology continues to evolve at an amazing pace. Just consider the variety of new broadcast and production monitors that were announced
Broadcast monitors
Video monitoring technology continues to evolve at an amazing pace. Just consider the variety of new broadcast and production monitors that were announced and demonstrated at NAB this year
MPEG standards
A new generation of standards provides more efficiency and higher quality.
HD interfaces
DisplayPort and HDMI are becoming preferred technologies for use with video displays.
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),
