Re: AverMedia AverTVHD MCE A180 stutter
- From: "JW" <nospam@xxxxxxx>
- Date: Sat, 12 Nov 2005 09:50:36 -0800
One more idea.
I assume that you are using a splitter to support the antenna connections on
the two different tuner cards. If so then you might try switching the
splitter lines on the two cards antenna connections to make sure thay you
aren't getting a degraded signal on one line.
"denyart" <denyart@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:9FE3A2CA-B637-4CB6-877B-C2DDC0E097F5@xxxxxxxxxxxxxxxx
> If I play a show recorded by the A180 on the SATA drive, then yes the
> video
> is bad just like it is when it is live. I have not specifically tried it
> in
> WMP, but I have a hunch it is in the recording so it would be there. On a
> second note, it is not really stuttering of the video, it is pixillation
> of
> the video (breakup, macroblocking, not sure what you want to call it) and
> the
> sound does not miss a beat. I call it stuttering because that is the
> generic
> term that many people seem to search for, but this "stuttering" that I and
> a
> few other people have with this tuner is really somehow related to how it
> gets along with a SATA controller (maybe only SiI3x12) on the PCI bus. I
> have
> found this to be the case for both nForce 2 motherboards and a person
> running
> an intel board. Here is a post on a forum that I beleive is describing
> some
> of what I am saying, but in my case I know there is a way to make things
> work, because the ATI HDTV Wonder works beautifully.
> http://htpcnews.com/forums/index.php?showtopic=6050&view=findpost&p=71707
> I hope that someone with more knowledge than me can look at this and tell
> me
> why tha A180 doesn't work and possibly if there is a way to fix it by
> forcing
> some change on my system. I will also check to be sure that WMP doesn't
> play
> the files back perfectly. Thanks again, and any more ideas would be great!
> --
> Windows Media Center 2005 rollup 2, Abit NF7-S v2, GeForce 6600GT, nVidia
> decoder 1.02-185, NVTV single tuner, AverTVHD MCE A180, ATI HDTV Wonder
>
>
> "JW" wrote:
>
>> After rereading all your posts I have to admit I am rather baffled since
>> AFAIK only the MCE software gets the software from the controller and
>> writes
>> it to disk. The only thing I can think about that may be different
>> between
>> the tuners is that the two tuner drivers buffer up the data and give it
>> to
>> MCE in different size buffers or their is a problem with the AVERmedia
>> driver and MCE gets a buffer out ot sync since I believe that MCE dobules
>> the input from the tuners.
>> If you play a recorded program using Media Player instead of MCE do you
>> still get the stuttering and if yes is it in the same place? I assume the
>> answer will be yes. Do both the audio and video stutter? Again I assume
>> the answer will be yes.
>>
>> "denyart" <denyart@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> news:E44D2185-2DA3-4EFA-8A0C-B2B424937710@xxxxxxxxxxxxxxxx
>> > Well, for IDE you never usually worry because nothing takes 14 and 15.
>> > I
>> > checked the IRQs for my system, and the SATA and both HD tuners are
>> > using
>> > independent IRQs. ATI (if installed) use 17, SATA uses 18, and the A180
>> > uses
>> > 19. So its not IRQ sharing. Someone once mentioned option rom space,
>> > but I
>> > don't know what that is or how tocheck it. Any ideas about that?
>> > Thanks
>> > --
>> > Windows Media Center 2005 rollup 2, Abit NF7-S v2, GeForce 6600GT,
>> > nVidia
>> > decoder 1.02-185, NVTV single tuner, AverTVHD MCE A180, ATI HDTV Wonder
>> >
>> >
>> > "JW" wrote:
>> >
>> >> I normallly don't think about shared IRQs causing a problem with disk
>> >> drives, however, if the AverMedia Tuner card and the SATA drive are
>> >> somhow
>> >> sharing a resource such as an IRQ then that could be the problem since
>> >> you
>> >> previously stated that you only have problems using the Avermedia
>> >> tuner
>> >> with
>> >> the SATA drive and not with you IDE drive.
>> >>
>> >> "denyart" <denyart@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> >> news:47379726-B66B-496E-9251-EC7DD4D8B69D@xxxxxxxxxxxxxxxx
>> >> > Um, the ATI is an HDTV tuner as well, so the amount of data being
>> >> > sent
>> >> > to
>> >> > disk should be the same for both of them. The ATI doesn't have any
>> >> > problems
>> >> > with the SATA disk being used for Recorded TV, while the Avermedia
>> >> > does
>> >> > have
>> >> > a problem. It would seem odd that one does and the other doesn't,
>> >> > but
>> >> > is
>> >> > it
>> >> > possible that the driver for the A180 has it doing something
>> >> > slightly
>> >> > different from ATI's driver? In my case, I know it is not just a
>> >> > simple
>> >> > "disk
>> >> > not fast enough" problem because a different ATSC tuner has no
>> >> > problems
>> >> > using
>> >> > the disk. Could it be the driver for the A180 does something that
>> >> > causes
>> >> > the
>> >> > SATA to slow down? Thanks
>> >> > --
>> >> > Windows Media Center 2005 rollup 2, Abit NF7-S v2, GeForce 6600GT,
>> >> > nVidia
>> >> > decoder 1.02-185, NVTV single tuner, AverTVHD MCE A180, ATI HDTV
>> >> > Wonder
>> >> >
>> >> >
>> >> > "JW" wrote:
>> >> >
>> >> >> It has nothing to do with the AVERMedia Drivers since they do not
>> >> >> pass
>> >> >> anything directly to your disk drive. MCE optains the already
>> >> >> encoded
>> >> >> siganl fromthe tuner using the AVERMEDIA dirvers and MCE writes the
>> >> >> data
>> >> >> to
>> >> >> the disk drive . Since encoded MCE video is about 4 times as large
>> >> >> as
>> >> >> endoced NTSC video from yuor ATI tunerif f there is any delay in
>> >> >> writing
>> >> >> the
>> >> >> data to disk and you do not have write cache enabled for the SATA
>> >> >> disk
>> >> >> drive
>> >> >> or an inefficient SATA drive conroller you can get stuttering.
>> >> >> "denyart" <denyart@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> >> >> news:3F351E24-C966-419D-AF9C-4A0E08182B2C@xxxxxxxxxxxxxxxx
>> >> >> >I have found that if I use the Silicon Images SiI3112 SATARaid
>> >> >> >controller
>> >> >> >on
>> >> >> > my motherboard for recorded tv (or access it much at all) the
>> >> >> > picture
>> >> >> > from
>> >> >> > my
>> >> >> > A180 will stutter or pixilate. It doesn't affect my ATI tuner, so
>> >> >> > I
>> >> >> > am
>> >> >> > sure
>> >> >> > it has something to do with the drivers for the A180. Neither
>> >> >> > tuner
>> >> >> > is
>> >> >> > sharing an IRQ (in fact I have tried it with just the A180 in
>> >> >> > either
>> >> >> > open
>> >> >> > slot which the ATI works fine in). Anyway, the A180 doesn't work
>> >> >> > unless
>> >> >> > I
>> >> >> > use
>> >> >> > my PATA IDE drive instead of SATA. I just wanted to ask if anyone
>> >> >> > else
>> >> >> > has
>> >> >> > seen this, and to post this so others may try this to fix their
>> >> >> > stuttering/pixilation with the A180. I have heard back from at
>> >> >> > least
>> >> >> > 2
>> >> >> > other
>> >> >> > people at AVSForums who fixed their A180 video problems by not
>> >> >> > using
>> >> >> > their
>> >> >> > SiI3X12 SATA controllers. I would ultimately like to find a way
>> >> >> > to
>> >> >> > make
>> >> >> > my
>> >> >> > system work, but I may need a different PCI SATA card (or driver)
>> >> >> > or
>> >> >> > a
>> >> >> > new
>> >> >> > motherboard to use SATA with this tuner because AverMedia doesn't
>> >> >> > seem
>> >> >> > to
>> >> >> > be
>> >> >> > busy writing a driver that will work with this SATA controller.
>> >> >> > The
>> >> >> > A180
>> >> >> > driver I am using is the WHQL 1.2.2.23 version and the SiI3X12
>> >> >> > driver I
>> >> >> > am
>> >> >> > using is the 1.0.0.5.1 WHQL driver from Windows Update. Who
>> >> >> > checks
>> >> >> > these
>> >> >> > WHQL
>> >> >> > drivers to make sure they will work anyway? I think given the
>> >> >> > prevalence
>> >> >> > of
>> >> >> > these SATA controllers on motherboards, it would be good if the
>> >> >> > drivers
>> >> >> > would
>> >> >> > not cause problems like this.
>> >> >> > --
>> >> >> > Windows Media Center 2005 rollup 2, Abit NF7-S v2, GeForce
>> >> >> > 6600GT,
>> >> >> > nVidia
>> >> >> > decoder 1.02-185, NVTV single tuner, AverTVHD MCE A180, ATI HDTV
>> >> >> > Wonder
>> >> >>
>> >> >>
>> >> >>
>> >>
>> >>
>> >>
>>
>>
>>
.
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