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#28274 - 08/12/05 05:37 PM 990 lip sync question
george e tate Offline
Deputy Gunslinger

Registered: 08/12/05
Posts: 2
Loc: Utah
Even though I am a new member, I have been a guest reader to these discussion pages for years.
I am looking at either picking up a new 990 or a used 950 (anyone selling?). I have a question about the lip sync feature on the 990 I hope somone can answer. Does this control delay, only, or can you advance the audio too?
Thanks,

george
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#28275 - 08/12/05 05:46 PM Re: 990 lip sync question
gonk Offline
Desperado

Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
The 990's delay is solely a "slow it down" sort of thing - the unit is storing the audio in memory very briefly (in the case of the 990, it is in 1ms increments from 1 to 200) - so you can't speed the audio up. It is done this way because it is a response to video sources whose video processing routines (such as deinterlacing and scaling) take long enough that the video signal is delayed but that do not delay the audio to match. The only way to speed the audio up would be to buffer the video briefly, which would take a lot more memory.
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#28276 - 08/12/05 06:23 PM Re: 990 lip sync question
george e tate Offline
Deputy Gunslinger

Registered: 08/12/05
Posts: 2
Loc: Utah
Thanks Gonk.
That is what I suspected. I appreciate your knowledge and willingness to share with others.
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#28277 - 08/12/05 06:25 PM Re: 990 lip sync question
gonk Offline
Desperado

Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
No problem, george - glad to help.
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