[vdr] Re: "stand-by-recording"

["Jake Wegman" <jake@the-computer.org>]

The (United States market) Dish Network's PVR DP501/508 receiver buffer is
60 minutes to disk.  If you change the channel the buffer is flushed and it
starts again.  If you pause, it will buffer up to 60 minutes.  This seems to
work well and is a great convenience when watching live tv.  (There is no
provision to save the buffer that I am aware of.)

When I'm watching one of my other receivers, I miss the buffer with the
ability to pause and replay the buffer.

I would certainly make use of such functionality if/when it becomes
available in VDR.

Thanks
Jake

----- Original Message -----
From: "Rienecker, Fa. Evenio, ITS P, M" <C.Rienecker@deutschepost.de>
To: <vdr@linuxtv.org>
Sent: Wednesday, November 06, 2002 10:01 AM
Subject: [vdr] Re: "stand-by-recording"


> [...]
> > The real question is what should we expect from this feature.
> > If you just want to jump back a few seconds or even minutes, the ram
> > buffer/disk approach is fine. But if you want to make the whole
> > transmission permanent after you have viewed it and it was really nice,
> > then you are talking about several gigabytes buffer.
> >
> > What are the settop boxes doing which have this feature. I can remember
> > at least one which has a buffer for half an hour. I don't think that
> > they have enough ram to keep the data. The key is to limit the
> > background recording to the time where you are doing live viewing. Then
> > the load on the disk is not very high. Remember, the data rate is only
> > about 500 KB/s. This means you have to write every 30s only for about
> > one second. This is nothing for a disk. Please think also about the
> > pause feature. If you do this also only to ram then you are very limited
> > on the time you can pause.
>
> Commercial boxes have many different approaches that range from 'the last
10 seconds' up to 'everything is recorded to HDD'.
> But then, they are not running 24/7.
>
> CU,
> Christian.
>
>
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