By Rodolfo La Maestra • Oct 23 2007, 2:06pm
This is the concluding article in the IPTV series of articles and covers specific IPTV implementations by Sony, TAVI 030, UTStarcom, Xbox 360, Verizon, and a smattering of other worldwide solutions and final thoughts on the big picture.
By Rodolfo La Maestra • Oct 16 2007, 2:02pm
This is a continuation of the IPTV series of articles and covers specific IPTV implementations by Falcon Communications, Minerva Networks/Siemens/Espial, MyTVPal.com, and Sasktel.
By Rodolfo La Maestra • Oct 9 2007, 2:58pm
Some IPTV Implementation Lessons
This Texas company's president Keith Galitz commented "It hasn't been easy, but it's been a great experience for us".
Canby is a 100-year-old telephone cooperative with 11,000 phone lines that started offering IPTV a couple of years ago, invested about $3 million by Dec 06, and has 900 IPTV subscribers of about 100 channels and VOD, no HD yet.
By Rodolfo La Maestra • Oct 2 2007, 2:51pm
When using standard MPEG-2 compression, an HD channel requires about 19 Mbps of bandwidth to be transmitted.
If using DSL or cable modem, although it is considered hi-speed for typical Internet services, it currently has the capacity to transmit only a small fraction of what raw HDTV requires.
Even when re-compressing the 19 Mbps with more efficient compression algorithms like MPEG-4 or VC1, and even when using additional transmission-saving techniques to fit HDTV content into those typical hi-speed Internet services, the approach would be a challenge, not to mention that after making use of this bandwidth for HDTV there will be little or no headroom left for Internet downloads of music, files, photos, etc.
Additionally, it becomes less feasible to...