[mythtv-users] New Comcast DTA, grrrrrrrr.

[Larry Kennedy]

On Wed, May 6, 2015 at 10:20 AM, Gary Buhrmaster <gary.buhrmaster at gmail.com>
wrote:

> On Wed, May 6, 2015 at 1:30 PM, Eric Sharkey <eric at lisaneric.org> wrote:
> .
> > Are you saying Comcast is just giving out STBs instead of DTAs?
>
> Not exactly.
>
> The original Comcast DTA only had an RF (NTSC) output,
> limited to SD content and intended as a cost optimized
> solution for those that were still using SD TVs in areas
> where Comcast was turning off analogue.  It did not have
> guide or interactive (VOD) capability.
>
> The newer HD-DTA has both an RF (NTSC) output, capable
> of doing what the older DTA did, and also has an HDMI
> output for newer digital TVs.  It is a cost optimized solution
> for basic HD content.  At entry to service, it also did not
> have any guide, although there was some talk about
> basic guide capability (I do not know if they managed to
> roll that out), and it also does not have interactive
> capability.
>

My new DTAs have a guide capability.


> They are used by some as "second TV" boxes, although
> for those that want cheap, and do not subscribe to the
> highest tiers of service, they are an option for anyone.
>
> As neither have out of band tuners, they get their
> information in-band (the channel mapping is done via
> SCTE 65), and use SCTE 52 encryption rather than the
> more advanced CableCARD capabilities (SCTE 52 is
> considered "good enough" for content without strong
> protection requirements).
>
> With the X1 platform, Comcast is moving away from
> the DTAs for second TVs and moving to even dumber
> (and presumably still cheaper) device, the Xi3, which
> is basically just a front end player for the X1 gateway
> which does all the heavy lifting.
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