[mythtv-users] QAM Decrypt?

Mike Perkins mikep at randomtraveller.org.uk
Sat Mar 1 18:20:41 UTC 2008


Brian Wood wrote:
> On Mar 1, 2008, at 10:45 AM, Andy Burns wrote:
> 
>> On 01/03/2008 16:39, K Goldenberg wrote:
>>
>>> Do I misunderstand, or would this make a killer "tuner" for a  
>>> backend?
>>> http://www.maxcomcorp.com/index.php?kat=1&sol=3&m=167
>> It think you misunderstand, it's not for receiving signals, it's for
>> sending them (over cables rather than airwaves).
> 
> That's what I thought at first, that it was simply a QAM modulator.
> 
> But, this line is interesting:
> 
> "Locally inserts decrypted TV program from any encrypted cable channel"
> 
> This could be interpreted as meaning the unit will decrypt an  
> encrypted channel, but I don't see how it could do that without a  
> CableCard.
> 
> It probably means that the channel has to be decrypted externally, say  
> with a cable STB.
> 
> I think it is just a QAM modulator that can accept firewire input, but  
> I suspect that F/W signal must be unencrypted.
> 
> I think "channel inserter" means "modulator".
> 
Yup. The diagrams on the web page all show a set-top box being used to decrypt 
the cable. It was beginning to look quite desirable till I saw that...

Mike Perkins



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