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A/V amp with lip sync delay

Discussion in 'AV Receivers & Amplifiers' started by taimur, Jan 17, 2003.

  1. taimur

    taimur
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    I'm about to buy a DVD/ amp/ speaker combination and I still haven't decided which to buy.

    One thing that would really annoy me, though, is if there were lip sync problems with a DVD, so the facility to delay the video or sound to correct this is a must for me. I could not possibly watch a film where there were any lip sync problems - it would really just ruin the experience for me. I saw a demo of a huge and great sounding home cinema system, but because there were lip sync problems, I just couldn't appreciate the whole experience.

    Can anyone tell me if the following amps/ DVD players have this facility:

    Arcam DV88 DVD player
    Arcam AVR200 amp
    Rotel RSX 1055 amp
    Denon AVC-A11SR amp
    Denon AVR-3802 amp

    Thanks
    Taimur
     
  2. Jase

    Jase
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    Hi

    The Audio Delay feature will be found in the amp not usually the dvd player.

    The Denon A11SR & 3802 do not have this feature neither does the Arcam AVR200. Only one I don´t know about is the Rotel.

    Amps that have the feature are the upgraded Denon A1SE, A1SR, and the new 3803, as do processors like the Arcam AV8. A couple of the Onkyo receivers have the feature as well I believe.
     
  3. sounddog

    sounddog
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    The problem with lip sync is due to the video being "delayed" due to video processing for Progressive Scan / Line Doubling / etc.

    No DVD player (that I know of) has the facility to delay the audio to correct for this. Also the only one of the amps you've listed which MAY have a global delay is the Denon A11SR but you would have to check the specs / manual as I'm not sure. If you can hold on, the new Denon 3803 does have a global delay for correcting lipsync.


    Victoria
     
  4. sounddog

    sounddog
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    The Rotel doesn't have this ... between us we've answered well cause I wasn't sure about the A11SR :)
     
  5. ReTrO

    ReTrO
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    The Arcam DV88P and DV27 have a digital audio delay built in that you can turn on if you so wish to keep the picture and sound in sync.

    Not sure if it's on the new DV88+/89 though as I've not had hands-on experience with this yet.
     
  6. sounddog

    sounddog
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    Oh well ... thats another foot I've put in it today!!

    On a slightly different track ... is it possible that the delays in processing on a 100Hz (CRT) TV are sufficient to cause lip-sync problems?

    Victoria
     
  7. ReTrO

    ReTrO
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    Quite possibly, especially if it's done digital (which I guess it is), as there will be a time delay for the digital to analogue conversion and back again.

    We always ran the DV27's at work with the progressive delay on, because any processing in the Pioneer plasmas would add a video delay, even if not using the progressive output from the DV27.
     
  8. James45

    James45
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    taimur

    are you using prog scan for your video sources? as previously mentioned the prog scan processing delays the video causing sound sync problems. If you are not using prog scan don't worry, it won't be a problem.
     
  9. taimur

    taimur
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    actually I haven't bought anything yet - I'm just in the process of saving up. I think I'll save up and audition something like the Denon 3803 with audio delay. I'm sure I couldn't hack a lip sync problem, and it's good to have as much information as possible before spending a considerable amount on hardware.

    Thanks for all the answers
     
  10. John-D

    John-D
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    Does the new Philips 963SA DVD player have the audio delay feature?

    Cheers
    John
     
  11. taimur

    taimur
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    If an amp is acting as a switch for all video inputs, does that also eliminate the lip sync problem, if progressive sacn component output is being used?

    Taimur
     
  12. James45

    James45
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    i doubt there is any form of auto synchronisation or that the sound or video signals interact at all. All synchronisation will be manually done
     
  13. Jase

    Jase
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    No, you still need an amp/receiver/processor with the Master Audio Delay feature.
     
  14. infomatique

    infomatique
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    The Denon A1SR has the feature that you require and as far as I remember the most expensive ONKYO (can't remember the model number) also has this feature.

    I have the A1SR and the audio delay control resolves the lip sync problem which was introduced by the I-SCAN line doubler.
     
  15. taimur

    taimur
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    I see that the Pioneer DSX 2011 also has audio delay features (for about £900). I recently read some good reviews of it. Has anyone heard the amp to say how good it is?
     
  16. themmings

    themmings
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    Hi taimur,

    The Poineer 2011 does not have audio delay.

    I was after this amp, but dropped it off the list beacause of this. I'm currently waiting for the 3803 which does.

    Tim:)
     
  17. taimur

    taimur
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  18. infomatique

    infomatique
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    Are you sure that it is "Audio Delay" used to compensate for lip sync problems rather than channel delay used for speaker setup.
     
  19. taimur

    taimur
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    like you say, I think it's a setup feature not a lip sync feature

    Taimur
     

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