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Next: Universal Audio driver
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External

Since: Aug 13, 2006 Posts: 11
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(Msg. 16) Posted: Wed Aug 16, 2006 1:08 pm
Post subject: Re: Delay changing channels [Login to view extended thread Info.] Archived from groups: microsoft>public>windows>mediacenter (more info?)
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Jaime, please clarify this for us! Thanks!
"JW" wrote:
> Jaime said
> "their is only a very brief instant of blank screen. It's not as fast as an
> old TV" and he does not define brief.
> His "Brief" and your "1 second" could actually be about the same value if
> measrued with a stop watch.
>
>
> "DanDada" <DanDada DeleteThis @discussions.microsoft.com> wrote in message
> news:A935E191-0A4B-47EF-9318-AD705AB17071@microsoft.com...
> > ok JW, thanks. If the delay is unavoidable, that is fine, but the fact
> > that
> > Jaime experiences no delay still makes me think that there is something
> > that
> > can be done.
> >
> > Jaime can you please clarify what you mean by "no delay"? Is it exactly
> > like a conventional TV, or do you also see a momentary pause when going
> > from
> > one channel to another???
> >
> > "JW" wrote:
> >
> >> IMHO due to the establishment of the time shift buffer there is no way it
> >> will ever match that of a conventional NTSC tuner going direct to a
> >> screen
> >> without any reprocessing of any kind.
> >>
> >> "DanDada" <DanDada DeleteThis @discussions.microsoft.com> wrote in message
> >> news:6E89B605-D457-4B64-92B0-30D58EF0CC13@microsoft.com...
> >> > JW, I have confirmed Disk Caching is enable and the HD is using DMA,
> >> > infact,
> >> > Ultra DMA mode 2. The delay we are speaking of is a 1 second delay
> >> > when
> >> > going from one channel to the next. When you hit the button to go up
> >> > one
> >> > channel or enter any channel #, MCE freezes for 1 second, then the next
> >> > channel is displayed. On a conventional TV, when u change the channel,
> >> > the
> >> > delay is a matter of milliseconds. 1 second may sound insignificant,
> >> > but
> >> > try
> >> > going from 2 - 99 w/a 1 second delay between each channel. It gets to
> >> > be
> >> > very very annoying. Any other help is greatly appreciated!!!!!
> >> >
> >> > "JW" wrote:
> >> >
> >> >> It is not a function of the tuner it is a function of your MCE
> >> >> software
> >> >> and
> >> >> your disk confituration. You might make sure that your Disk caching
> >> >> is
> >> >> enabled for your drive or controller( I forget where the check box for
> >> >> this
> >> >> is) and that you are using DMA access.
> >> >> Assuming no prolems there( since the dafaults are the correct
> >> >> settings)
> >> >> what
> >> >> you and others consider long delay vs resonalble response may be the
> >> >> same
> >> >> time value you could only tell for sure using a stop watch.
> >> >> "DanDada" <DanDada DeleteThis @discussions.microsoft.com> wrote in message
> >> >> news:FC22C2D7-8072-402A-8838-9F3CF03DBCB2@microsoft.com...
> >> >> > So does that mean the Emuzed Tuner is inferior in quality? Does
> >> >> > anyone
> >> >> > know
> >> >> > of any issues w/ Emuzed Tuners?????
> >> >> >
> >> >> > "Michael J. Mahon" wrote:
> >> >> >
> >> >> >> From what has been written, I doubt that much of the delay is due
> >> >> >> to processing speed.
> >> >> >>
> >> >> >> For *directly* tuned channels (not STB setups), I'd be willing to
> >> >> >> bet
> >> >> >> that it is a function of the tuner's response time, not the
> >> >> >> *system*.
> >> >> >>
> >> >> >> -michael
> >> >> >>
> >> >> >>
> >> >> >> DanDada wrote:
> >> >> >> > Jaime, my system is just as beefy, if not more... 2 gigs ram,
> >> >> >> > intel
> >> >> >> > 4
> >> >> >> > dual
> >> >> >> > core pro, etc etc. Well, I guess I'll have to learn to live w/
> >> >> >> > the
> >> >> >> > delay if
> >> >> >> > there is not setting that can be adjusted in the registry etc.
> >> >> >> > Arite
> >> >> >> > thanx!
> >> >> >> >
> >> >> >> > "Jaime" wrote:
> >> >> >> >
> >> >> >> >
> >> >> >> >>I have a Hauppauge 150mce, which is what a lot of people use, and
> >> >> >> >>I
> >> >> >> >>don't
> >> >> >> >>know if that affects it or not. As I said, this discussion has
> >> >> >> >>come
> >> >> >> >>up
> >> >> >> >>before and most seem to think the second or two delay is inherent
> >> >> >> >>in
> >> >> >> >>the
> >> >> >> >>system, but the way some have described it, they must be seeing
> >> >> >> >>much
> >> >> >> >>more
> >> >> >> >>time between chaannels than I. As I said, when I flip channels,
> >> >> >> >>their
> >> >> >> >>is
> >> >> >> >>only a very brief instant of blank screen. It's not as fast as an
> >> >> >> >>old
> >> >> >> >>TV
> >> >> >> >>that didn't have all the filtering and cleanup circuitry that TVs
> >> >> >> >>have
> >> >> >> >>now,
> >> >> >> >>but it really is no different delay than if I just have the TV
> >> >> >> >>running
> >> >> >> >>directly from the cable.
> >> >> >> >>
> >> >> >> >>BTW, I have my signal split with one directly into the coax on
> >> >> >> >>the
> >> >> >> >>TV
> >> >> >> >>and
> >> >> >> >>one to the tuner. I have a Sempron 2600, 768M of RAM, a generic
> >> >> >> >>FX5200
> >> >> >> >>video
> >> >> >> >>card, and I use the nVidia DVD decoder. I don't know how much any
> >> >> >> >>of
> >> >> >> >>that
> >> >> >> >>affects the delay in the system.
> >> >> >> >>--
> >> >> >> >>James
> >> >> >> >>Orlando (Goofy says "Hey!"), Florida
> >> >> >> >>
> >> >> >> >>"DanDada" <DanDada DeleteThis @discussions.microsoft.com> wrote in message
> >> >> >> >>news:903BEE04-B48B-46A5-AE40-D3398BE51729@microsoft.com...
> >> >> >> >>
> >> >> >> >>>dfeifer, thanks for the reply but i'm not sure we are talking
> >> >> >> >>>about
> >> >> >> >>>the
> >> >> >> >>>same
> >> >> >> >>>thing. Did you respond to my post by mistake?
> >> >> >> >>>
> >> >> >> >>>Jaime, your post is on point. I don't have a set top box, I
> >> >> >> >>>hava
> >> >> >> >>>an
> >> >> >> >>>analog
> >> >> >> >>>cable, connected DIRECTLY to the tv tuner in my pc. The fact
> >> >> >> >>>that
> >> >> >> >>>you
> >> >> >> >>>don't
> >> >> >> >>>get any type of delay really gives me some hope now! My cable
> >> >> >> >>>signal
> >> >> >> >>>is
> >> >> >> >>>split between my main TV (different room) and my TV Tuner. If i
> >> >> >> >>>take
> >> >> >> >>>the
> >> >> >> >>>cable and connect it directly to the tv tuner (ie. no splitte),
> >> >> >> >>>it
> >> >> >> >>>makes
> >> >> >> >>>no
> >> >> >> >>>difference. What could the problem be???
> >> >> >> >>>
> >> >> >> >>>Oh, what kind of TV Tuner do you have? Mine is an Emuzed Angel
> >> >> >> >>>PCI.
> >> >> >> >>>Could
> >> >> >> >>>it be a problem w/ this tuner?
> >> >> >> >>>
> >> >> >> >>>"Jaime" wrote:
> >> >> >> >>>
> >> >> >> >>>
> >> >> >> >>>>Out of curiosity, are you using a STB with your setup or analog
> >> >> >> >>>>cable
> >> >> >> >>>>directly plugged in to the tuner card?
> >> >> >> >>>>
> >> >> >> >>>>We've had this question come up before on the group and I'm not
> >> >> >> >>>>totally
> >> >> >> >>>>convinced that it is the buffer causing the delay -- I have
> >> >> >> >>>>plain
> >> >> >> >>>>old
> >> >> >> >>>>analog
> >> >> >> >>>>cable plugged right into the PC and I have virtually no delay
> >> >> >> >>>>when
> >> >> >> >>>>I
> >> >> >> >>>>surf.
> >> >> >> >>>>The channel change at pretty much the same speed as when I am
> >> >> >> >>>>just
> >> >> >> >>>>watching
> >> >> >> >>>>the cable directly. I think some of the delay is MCE getting
> >> >> >> >>>>the
> >> >> >> >>>>signal
> >> >> >> >>>>from
> >> >> >> >>>>the remote, translating, and resending to the STB.
> >> >> >> >>>>--
> >> >> >> >>>>James
> >> >> >> >>>>Orlando (Goofy says "Hey!"), Florida
> >> >> >> >>>>
> >> >> >> >>>>
> >> >> >> >>>>"DanDada" <DanDada DeleteThis @discussions.microsoft.com> wrote in message
> >> >> >> >>>>news:ED5D3A84-5D57-4787-9766-870E81E8E97D@microsoft.com...
> >> >> >> >>>>
> >> >> >> >>>>>JW, thanks. That explains the delay, but is there anyway to
> >> >> >> >>>>>speed
> >> >> >> >>>>>this
> >> >> >> >>>>>process up? I mean if one is changing channels constantly,
> >> >> >> >>>>>isn't
> >> >> >> >>>>>there
> >> >> >> >>>>>some
> >> >> >> >>>>>sort of "cached" info like that of IE for example. Not trying
> >> >> >> >>>>>to
> >> >> >> >>>>>be
> >> >> >> >>>>>difficult, but I want to make this as seamless as possible.
> >> >> >> >>>>>If
> >> >> >> >>>>>it
> >> >> >> >>>>>can't
> >> >> >> >>>>>be
> >> >> >> >>>>>done, this is something that definitly needs to be taken into
> >> >> >> >>>>>consideration
> >> >> >> >>>>>for future versions of MCE.....
> >> >> >> >>>>>
> >> >> >> >>>>>"JW" wrote:
> >> >> >> >>>>>
> >> >> >> >>>>>
> >> >> >> >>>>>>The delay is caused by MCE creating a new file in order to
> >> >> >> >>>>>>support
> >> >> >> >>>>>>a
> >> >> >> >>>>>>TimeShift buffer for the new channel and not actually
> >> >> >> >>>>>>starting
> >> >> >> >>>>>>to
> >> >> >> >>>>>>show
> >> >> >> >>>>>>the
> >> >> >> >>>>>>new file until it can sucessfully issue a write command to
> >> >> >> >>>>>>the
> >> >> >> >>>>>>newly
> >> >> >> >>>>>>created
> >> >> >> >>>>>>file.
> >> >> >> >>>>>>
> >> >> >> >>>>>>"DanDada" <DanDada DeleteThis @discussions.microsoft.com> wrote in
> >> >> >> >>>>>>message
> >> >> >> >>>>>>news:1D8D927D-E7A4-4750-AD22-37F027372D03@microsoft.com...
> >> >> >> >>>>>>
> >> >> >> >>>>>>>Is there any way to avoid the delay when changing channels
> >> >> >> >>>>>>>w/
> >> >> >> >>>>>>>MCE?
> >> >> >> >>>>>>>There
> >> >> >> >>>>>>>is
> >> >> >> >>>>>>>a 1 second delay going from one channel to another which
> >> >> >> >>>>>>>gets
> >> >> >> >>>>>>>to
> >> >> >> >>>>>>>be
> >> >> >> >>>>>>>very
> >> >> >> >>>>>>>annoying when channel surfing. Does anyone have a
> >> >> >> >>>>>>>workaround
> >> >> >> >>>>>>>for
> >> >> >> >>>>>>>this
> >> >> >> >>>>>>>if
> >> >> >> >>>>>>>this is by design?
> >> >> >>
> >> >>
> >> >>
> >> >>
> >>
> >>
> >>
>
>
> >> Stay informed about: Delay changing channels |
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External

Since: Aug 13, 2006 Posts: 11
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(Msg. 17) Posted: Sat Dec 02, 2006 8:21 pm
Post subject: Re: Delay changing channels [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)
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