[opendtv] Re: Transition confusion
- From: "Hughes Gary-DJWV76" <ghughes@xxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Wed, 31 Oct 2007 13:21:47 -0400
> [mailto:opendtv-bounce@xxxxxxxxxxxxx] On Behalf Of Manfredi, Albert E
> Sent: Wednesday, October 31, 2007 10:41 AM
> To: opendtv@xxxxxxxxxxxxx
> Subject: [opendtv] Re: Transition confusion
>
> There is another article in that same issue that correctly
> states that cable companies typically use more compression,
> which is why image quality becomes degraded.
>
Cable tends to use 15mbit/sec for HD streams. It is fairly common
practice for them to transcode the OTA signals down to 15mbit/sec (or
possibly less). There is certainly a visible difference when comparing
the same HD signal received by my TV's ATSC receiver vs the cable box
delivering its version via HDMI.
Gary
Gary Hughes
Video Architect, Advanced Engineering
Motorola On Demand Solutions, MA34
80 Central St.
Boxborough, MA 01719
Email: ghughes@xxxxxxxxxxxx
Office: 978 266 7269
Mobile: 978 339 3615
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