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Jitter via HDMI

Posted by John C. - Aussie (A) on June 7, 2008 at 10:13:03

The whole subject of jitter makes the hair stand up defensively with many people with subsequent accusations of snake oil, cannot hear it, imagination, ....

But jitter DOES exist and from what I am reading it is rather too prevalent in HDMI, something which will not worry 95% of users but can be of concern to obsessive nutters like me. A Google search on this subject yields some interesting reading. For some time the whole existence of jitter was denied, even at AES level, but we have moved forward and its importancve is now acknowledged.

So how can it be overcome?

One suggestion I understand could be in the pipeline, is to take the HDMI signal into a buffer package which strips off the audio and removes jitter allowing a nice clean digital out to go to a processor or receiver + a video only to go on to the monitor or wherever.

But maybe HDMI protocols will be further modified. Who knows.

Yet another reason to hold back investing in blu ray.

John

Sadly (or is it happily?) an incurable audio-video nutter with an indecent number of toys. Classical music forever!!!!

• A paper on jitter   (Open in New Window)

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