Re: Shaky image
- From: "JW" <anonymous@xxxxxxxxxx>
- Date: Wed, 13 Jul 2005 09:46:08 -0700
MCE will use your PowerDVD Decoder when playing DVDs so if you also
experience a Shaky Image when playing a DVD in MCE you at least know that
the problem has nothing to do with tuner card or disk drive.
Many user's state that they have latest release of the drivers only find out
later that they used WinUpdate (which can be several months behind) the
vendor's updates. Also some times they get the drivers from the card
manufacturers Website and not from the Chip vendor's Website. There are also
sometimes known problems with certain driver releases with certain decoders
or configurations.
What make model graphics card do you have and what driver release are you
using?
"Perry Diels" <perry.diels@xxxxxxxxxxxx> wrote in message
news:eStkrU8hFHA.1204@xxxxxxxxxxxxxxxxxxxxxxx
> Hello JW,
>
> thanks for your answer. As I mentioned in my first message, the latest
> drivers are installed for the whole system. The DVD decoder is from Power
> DVD 6 (latest release) but is that one not needed for viewing DVD's only?
>
> The answer to your last question, in fact I reboot the PC every day,
> sometimes a couple of hours before recording a show. I have noticed that
> the problem is worse after the PC resumes from StandBy, but I don't care
> to much since I don't plan to use that option.
>
> Are ther any other diagnostic methods in order to isolate such problem?
>
> Best regards,
> Perry
>
>
>
>
> "JW" <anonymous@xxxxxxxxxx> wrote in message
> news:%23tkh8t7hFHA.3632@xxxxxxxxxxxxxxxxxxxxxxx
>>I assume that you have installed the latest graphics card driver from
>>NVIDIA, ATI, or whoever made the chip for your graphics card and that you
>>have the current release of you DVD Decoder also.
>> Actually Live TV is easier on the disk than you think. When MCE gets the
>> data from the tuner card it writes it to disk but it does lose track of
>> where in memory it was written from. So when it goes to read it back and
>> pass it to the decoder it comes right out of memory since the memory
>> won't be reused by the OS until it is the oldest memory available for
>> reuse. Even if it had to get it from the disk the data would still be in
>> the disk's own buffer so no actual read would be required.
>> The only cases of problems caused by reading from the disk have caused by
>> either poor disk cable connections, intermittent faulty cables, or when
>> using RAID 0 with 2 drives on the same IDE Bus. Fragmentation has not
>> been a program except possibly when recording 2 programs while playing
>> back a third.
>> You could look for any entries in the event logs at the time of shaky
>> image or check your CPU utilization when normally watching recorded TV.
>> Is the problem less likely to occur within a day or so after rebooting
>> your PC?
>>
>> "Perry Diels" <perry.diels@xxxxxxxxxxxx> wrote in message
>> news:upA0e8zhFHA.500@xxxxxxxxxxxxxxxxxxxxxxx
>>> Hello,
>>>
>>> I have my Media Center PC running fine with just one little annoyance.
>>> Occasionally the image of "My recorded TV" is shaky, not really like
>>> dropped frames but kind of a shaky trembling image for a fraction of a
>>> second. This happens at an average of about 1 or 2 times per 30 minutes.
>>> I have the feeling that it goes a little bit better after defragmenting
>>> the hard-disk, but I'm not 100% sure. All recorded TV goes to the second
>>> partition (on the same physical drive as C:), I do so in order to manage
>>> fragmentation. Note however that MCE is not really
>>> fragmentation-friendly (at least not on my system), in other words I
>>> mean that after recording a few shows the drive gets quickly fragmented.
>>> As TV shows are 'huge' files I would presume that fragmentation keeps
>>> low, especially on an almost empty (defragmented) drive. But back to the
>>> shaky image ... has anyone seen this problem? Is there a known solution?
>>> This is only a problem with recorded TV and not even when watching 'live
>>> TV'. In the latter case, I suppose the system needs to work even harder,
>>> because while watching live TV it reads and writes from HDD
>>> simultaneously, correct? It doesn't happen while watching a DVD either.
>>> While the image 'trembles' audio plays unaffected.
>>>
>>> FYI some of my PC specs:
>>>
>>> - Hauppauge MCE 150 TV capture card, latest WHQL driver
>>> - nVidia 6200 with 128 MB and the latest MCE WHQL driver
>>> - Pentium 4 with HT 3.0 G (HT enabled)
>>> - Intel 815G chipset (onboard VGA disabled in BIOS)
>>> - 512 MB DDR400 RAM
>>> - SATA HDD (2 partitions)
>>> - Plextor 716A DVD (latest firmware)
>>> - NO Anti-Virus or other software/services that are running in the
>>> background apart from MCE's standard stuff. I don't use this PC for the
>>> Internet (apart from downloading the MCE Guide)
>>>
>>> All ideas and help are welcome,
>>>
>>> Best regards,
>>> Perry
>>>
>>
>>
>
>
.
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