Periodic dropping of sound using minidisplay port to hdmi

anyone else get a periodic drop in sound transferred to an external display through a minidisplay port to hdmi converter? if so, is there i a fix to this? there does not seem to be a repeatable time for it to drop, just seems like i loose about 5 seconds of audio at periodic times.

Hi, last time when i use the mini displayport to hdmi adapter, i even don't know how to make it.. It cost me 3 hours. HDMI Port combines Audio/Video Port, really good. However, it often goes wrong. So, i had to use a *[USB to HDMI Adapter|http://www.espow.com/wholesale-usb-multi-display-adapter-for-computer-a dd-on-a-second-monitor.html]* to display 1080P. And of course, usb can't keep up with Mini DisplayPort, at least at transmission speed. Sound can only come out of the mini jack audio output. Although it's more advanced, HDMI is the main stream. So, *[usb to dvi hdmi adapter|http://www.espow.com/wholesale-usb-multi-display-adapter-for-computer-a dd-on-a-second-monitor.html]* is still important for us, though it will be replaced..

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I was hoping someone could offer advice as I'm struggling to find the answer.
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Sorry about that. I've ended up repeating everything you said in the beginning.
Some more digging reveals that it may not be Apples' fault and actually the video card companies whose components they use. Low End Mac has a good article on it (http://lowendmac.com/ed/fox/09ff/displayport-audio.html).
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I am using a macbook pro from early 2011 running os x Lion 10.7.5 and a thunderbolt to hdmi cord. The cord has worked without a hitch the numerous times I've used it until recently. Now plugging it in will cause the macbook to flash blue quicker than normal and immediately go back to the normal screen. I know the macbook recognizes the TV because changing the input on the TV to the hdmi connected to the computer will cause the macbook to flash blue again, with the same result. The TV remains unresponsive. I have tried all combinations of turning on and off the TV and macbook with the cord plugged in and unpugged from either and both systems and in both hdmi inputs on the TV. I've changed the display resolution to every possible option with no result. The TV is not recognized as a display on either the Display section of System Preferences or the Sound section.
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Do you have gfxCardStatus installed? Is your monitor set to "Integrated" or "Discrete". You want it set to Discrete to drive the external HDMI display.
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<About NVRAM and PRAM>
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Thanks for taking the time to respond, after I posted my brain kicked in and I recalled that mid 09 were not audio compatible. not a big deal anyway since there are multiple ways to listen...
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Hello,
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I would ask for one of those laptop backpacks for the holidays. They are around $60 or so and have a seperate padded section for the Macbook Pro.
I tend to like Speck products but there are many to choose from, this is only one example:
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thx

Oops, never mind - I just tried the connection again and it's working fine.

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If it does, what sort of cables and adapters would i need?
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Neerav

Thanks, this is a helpful article with good links.
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http://www.monoprice.com/products/product.asp?c_id=104&cp_id=10428&cs_id=1042802 &p_id=5969&seq=1&format=2

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Thanks, this is a helpful article with good links.
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http://www.monoprice.com/products/product.asp?c_id=104&cp_id=10428&cs_id=1042802 &p_id=5969&seq=1&format=2

I have a macbook pro, a mini display port to hdmi cable to hook up to my tv (a toshiba 1080p flatscreen). what do I do to actually get the image on the tv screen? Do I need another cable for sound?

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Rwogera wrote:
I couldn't transmit sound either, do i need another cable like Kim said? i mean it cant be transmitted through this HDMI port? as for me i have one of the latest mac pro with intel core i5..tnx
I need to know which MacBook Pro you have. Only mid-2010 and later MBP's transmit sound through MiniDisplay Port to HDMI. I have no information about the Mac Pro, so you might want to go to that Forum and ask there.

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I have tried everything including gfxCardStatus and using every setting, turning the brightness all the way down. Putting the mac to sleep and closing it and waking it up with an external mouse.
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Any help would be great! If you need anymore info let me know!
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Okay, now I know. As far as I am aware, there is no way of doing this by default on the Macbook because it's highest resolution is 1280x800. You could mirror this to the LG but of course it won't fill the screen unless it scales the image but again there will be black bars because the two screen ratios are different. if this did manage to scale up and also stretch to fill the entire LG screen, it still woudn't be 1080p resolution, it would be 1280x800 but stretched to fill the screen and it would look a little blurry and distorted on the LG. If the LG has this scale/stretch ability, it will be under the menu system for something like Picture mode or it may be a dedicated button on the remote - the ratio button perhaps?
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Macbook freezes post snow leopard when attempting to use minidisplay- hdmi

Previously, the setup worked without a hitch.
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Hi Robert,
Unfortunately I can't say that I had the exact same problem, but it's pretty similar. Apple doesn't make a MiniDisplay Port to HDMI adapter so whatever you're using it's 3rd party. I too purchased an adapter like this (from NewEgg.com) and my 10.5.7 machine did the exact same thing with the first adapter, the second adapter and 10.5.8 had it properly working but the colors were horrible.
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Periodic dropping of sound using minidisplay port to hdmi

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