Incoming President Requests DTV Cutover Delay

Will Russell will7777r at
Sat Jan 24 06:30:50 CST 2009

Also, there is a question of the sensitivity of the converters (and  
the receivers in the DTV receivers).  Assuming  there are standards it  
would seem that the various designs would perform differently.

My recollection is that a member talked about testing these devices  
last summer.  If that person reads this could he or she respond with  
whether the tests covered the performance of the units and if so what  
data was obtained?  Another possibility is that performance data is  
available on line.  Any links?


Will Russell

On Jan 22, 2009, at 5:15 PM, Alex Fraser wrote:

>     The converters I was talking about should rightly be called  
> adapters.  They are passive devices which allow you to mate the  
> connectors between the DVI standard and the HDMI standard.  HDMI  
> cable carry digital video and digital sound, so if you use the  
> adapter to DVI you have to figure out another way to get the audio  
> as  the DVI standard is video only.
>     I might be mistaken, but the jargon is the converters take the  
> ATSC digital stream off the radio signal and then convert it to NTSC  
> so you can feed your old analog machine.  It could output through  
> coax as base band composite or be sitting on channel 3 or 4.  It  
> could also be s-video.
>     The Digital tuner takes ATSC the stream off the radio signal and  
> presents it to your device unchanged.  I'm trying to learn as much  
> about those connections as I can. HDMI and firewire (IEEE1394) seem  
> to be used.  I have a friend who has coax coming out of his Comcast  
> PVR to his digital HDTV.  I think this isn't optimum, but he says  
> that is how the Comcast tech wired it.  I don't think that is  
> optimum, but I really don't know.  Perhaps you can pump a digital  
> signal through the coax, they used to do it with Ethernet.  Does  
> anyone know?
> Will Russell wrote:
>> Alex,
>> Some questions -
>> On Jan 10, 2009, at 1:00 AM, Alex Fraser wrote:
>>>  ...I had to look up the HDMA connectors and was pleased to see  
>>> that they are DVI compatible and converters are available for  
>>> computer monitors.  The catch is that the monitors must have  
>>> speakers and circuitry so you can hear the sound.  Has any one  
>>> made a break out box and device to pull off the digital audio and  
>>> pump it through a decoding device?  Will it go into a digital  
>>> input on a computer sound card? ...
>> When you mention units which "are DVI compatible and converters are  
>> available for computer monitors" are these the digital TV  
>> converters?  -the ones where the govt rebate card works?   All I've  
>> found locally have coax outputs plus a RCA jack with (presumably)  
>> analog TV video.
>> Also, there are a number of TV receiver/decoder units which plug  
>> into a USB 2.0 port, but they are pricy (and the rebate is not  
>> applicable).
>> My interest is not only in saving a relatively recent analog TV,  
>> but also being able to project it with a (non HD) projector which  
>> accepts DVI inputs.  Even when I purchase a new digital TV, these  
>> applications will remain.
>> Will KM4VJ
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