[mythtv-users] DVB-T Channel Scanning

[Richard Conway]

Alessandro Corbelli wrote:
> *********** REPLY SEPARATOR  ***********
>
> On 05/10/2006 at 9.06 Richard Conway wrote:
>
>   
>> Clyde Stubbs wrote:
>>     
>>> On Thu, Oct 05, 2006 at 09:23:32AM +0200, Alessandro Corbelli wrote:
>>>   
>>>       
>>>> On 04/10/2006 at 18.25 Daniel Kristjansson wrote:
>>>>     
>>>>         
>>>>> Nope, not true. it can record all the channels. It can only record
>>>>> one of them at a time, which is probably what you read about.
>>>>>       
>>>>>           
>>>> I think that if card has only one tuner, this should be normal.
>>>>     
>>>>         
>>> Normal? Maybe, but nonetheless sub-optimal. A DVB tuner tuned to a
>>> single channel delivers a full transport stream, which can then be
>>>       
>> de-multiplexed
>>     
>>> into several program streams. There's no fundamental reason why
>>> mythbackend couldn't record multiple programs from a single DVB tuner,
>>> but it's not currently implemented, probably because the current
>>>       
>> architecture
>>     
>>> is based on the analog model of only one program per tuner.
>>>   
>>>       
>> I suppose it depends whether the de-multiplexing is done by the card or 
>> by Myth.
>>     
>
> It would be great....Single cheap DVB card and 10 channel simultaneously.
>   
I'm sure I read somewhere about a project some guys were doing to build 
a huge disk array and use several tuners to record all the DVB-T 
multiplexes simultaneously.  I think they estimated that they would have 
enough storage space to store everything for about a week.  The plan was 
to literally have the entire previous weeks TV stored locally.