Posted by cbx on 05/22/07 23:30

Has anyone seen a test pattern and see just what resolution they
are getting? How much bandwidth is allocated with cable?
Is there a formula to equate Symbol Rate with video bandwidth or
resolution?




On 22 May 2007 03:46:44 -0700, Mikey <kingdelhi@gmail.com> wrote:

>At present compression used is MPEG 2 by satellite and cable both, the
>picture quality depends on the bandwidth allocated to each channel,
>which is a limited resource in case of satellite but not in cable.
>Well for resolution it simply depends on what res u r getting from
>source and what res configuration you have made on the encoder. Higher
>the res, higher the bw requirement for the channel, usual case would
>be 3 quarters.
>
>
>On May 22, 3:40 am, cbx <nos...@nospam.com> wrote:
>> Can anyone enlighten me or provide a source of information on the
>> actual video resolution (not theoretical maximum) one typically gets
>> with:
>>
>> DVB (say Dish Network or Express VU)
>> Digital Cable (not HD, just regular)
>>
>> Am I correct in assuming Digital Cable uses the same MPEG compression
>> that digital satellite uses, or do you get a higher quality picture
>> with digital cable than you do from DVB? (I have yet to see ANY
>> digital satellite broadcast compare with the old analog broadcasts)
>>
>> Any leads appreciated.
>

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