[opendtv] Re: Comcast Exec Sees Greater Use of DVRs
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Fri, 31 Mar 2006 17:05:13 -0500
Kon Wilms wrote:
> I think you are confused. They describe a DVR, not a PVR.
Okay, I agree that the article uses "DVR" rather than "PVR," in the
title. But to me, those terms have always been interchangeable. Check
out what Wikipedia says (or just go to any list of consumer products):
http://en.wikipedia.org/wiki/Digital_video_recorder
"A digital video recorder (DVR) (also called Personal video recorder
(PVR)) is a device that records video to a digital storage medium. The
term DVR may be used to describe a piece of equipment such as a Personal
Video Recorder (PVR) or a CCTV DVR. It may also be used to reference a
function in a piece of equipment such as a digital video camera that has
a DVR function built into it."
The article is not talking about DVRs but rather VOD offered by cable
companies. The title was very misleading.
And yes, John G., the cable company can deploy these storage facilities
as close as possible to each customer drop, to avoid large quantity of
unicast bandwidth demands through the core, but the tradeoff there is
potentially very large storage demands at the edges. Unless any one or
combination of measures are taken to alleviate the problem. E.g. the
subscribers are made to request their choices ahead of time, so the
network can deliver the individual requests when there's bandwidth
available, or the content is kept in the VOD bin only for a short time,
or VOD content is delivered at low quality levels, or only a small
number of program choices is offered, etc. etc.
The bottom line is that the article describes a technique which would
seriously REDUCE the demand for PVRs/DVRs, as consumer products. Not
increase it.
Bert
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